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string
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int32
oge-p-000f79a502733139
pilot
# The Boundary Stone Rain tapped the shutters, and the hall smelled of wet wool, woodsmoke, and the onions boiling in a pot. Beyond the narrow windows, the fields of Saint-Aubin shone black beneath a low sky. Ignat Demirci set a muddy boundary stone on the table. “It was lying beside the stream,” he said. “Someone ha...
The Boundary Stone
college
Introductory college
plain
world_history
World history
story
long
1,455
3.4
Medieval Europe and Feudal Orders
world_history.college.21
world_history.college.21
D
[ "lordship:noun:0", "vassalage:noun:0", "monarchy:noun:0" ]
[]
[]
null
[ "moonshine", "transpose", "puny" ]
gpt-6-luna
flex
low
resp_0b21351eb7cd2fe9006ac1ba9804b887d193d09c75b45dfd8b
2026-10-04T02:32:57.817169+00:00
edu-v1-teacher
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{"Costa": "Demirci", "Ilse": "Dylan", "Ronan": "Ignat"}
9e0e5fe5799e181cfcb4b53fd66921b5bb25458a60b70cb8d907dd59ec05c991
2,164
oge-p-002461c85f154288
pilot
In the third century BCE, the Indian ruler Ashoka had inscriptions carved on rocks and pillars across parts of his empire. Some record his support for Buddhist teaching and communities; others describe moral conduct in terms that could speak to people beyond Buddhism. These inscriptions offer an early, visible sign of ...
null
college
Introductory college
plain
world_history
World history
textbook_section
xlong
1,694
11.93
Buddhism and Asian Networks
world_history.college.17
world_history.college.17
DS
[ "theravada:noun:0", "mahayana:adjective:0", "pilgrimage:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0075331c273128bc006ac1b6262db487d18f9e81b4f5277af4
2026-10-04T02:13:59.912513+00:00
edu-v2-editor
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cafc9be399d1e342afe11755238d06c35c83e344543c837c5078a7e5d6ecda11
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oge-p-0044d3e8f7ffbbf9
pilot
# From Complaint to Fair Judgment A rule becomes visible when someone believes it has been broken. A neighbor’s fence crosses a property line, a landlord keeps a deposit, or a student is disciplined under a school policy. Before deciding who is right, a careful person does something ordinary but important: slows down ...
From Complaint to Fair Judgment
college
Introductory college
plain
civics
Civics, government and law basics
everyday_procedure
medium
884
9.88
Law, Justice, and Legal Reasoning
civics.college.01
civics.college.01
K
[ "legal_validity:noun:0", "moral_judgment:noun:0", "legal_reasoning:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0d54ea5ea1b91972006ac1a872cc4487d1b2904ca79dfb1a51
2026-10-04T01:15:12.184406+00:00
edu-v2-editor
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{}
ea66a1be2d3c4edcd454657636c7a7b710ee64ac94ba8876edfda09e90c33fd2
991
oge-p-00907e43f0e9bfa2
pilot
A Label Is Not a Meal I used to think foods could be sorted into three separate groups: foods for energy, foods for muscle, and foods to avoid because they contain fat. I tested how well that idea fits real foods by comparing nutrition labels. Question: Do the amounts of carbohydrate, protein, and fat on food labels ...
A Label Is Not a Meal
college
Introductory college
plain
health
Human body and health
lab_notes
short
376
8.75
Nutrition and Dietary Foundations
health.college.14
health.college.14
RA773-790
[ "carbohydrate:noun:0", "protein:noun:0", "fat:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_01ba14554ab58c33006ac1b919ff6487d1a4f9b563846722bc
2026-10-04T02:25:51.378827+00:00
edu-v1-teacher
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{}
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oge-p-00a91ff661c6e4ff
pilot
A Republic Divided by Policy Why did arguments over a bank and a treaty help create political parties in a country wary of factions? In the 1790s, disputes about the new federal government’s powers gave shape to organized political opposition. Treasury Secretary Alexander Hamilton backed a national bank, chartered by...
A Republic Divided by Policy
college
Introductory college
formal
us_history
United States history
short_piece
brief
207
12.76
The Early Federal Republic
us_history.college.12
us_history.college.12
E
[ "national_bank:noun:0", "political_party:noun:0", "jay_treaty:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0d60ddc2e1c92b5a006ac1a7fbbcd887d18c4a242bbda33043
2026-10-04T01:12:38.194846+00:00
edu-v1-teacher
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oge-p-00ae8fedf0a48bad
pilot
The Blue Line Charcoal dust softened the studio’s sharp smell of floor polish. From the rehearsal room came a drumbeat, then the dry scrape of a chair across wood. Chrissy stood beside a strip of blue tape that crossed the floor. Her left hand held a charcoal stick; her right held a small speaker. Across the room, Go...
The Blue Line
college
Introductory college
plain
arts
Arts and music
story
medium
785
3.34
Interpreting Art Across Mediums
arts.college.34
arts.college.34
NA
[ "medium:noun:1", "embodiment:noun:0", "audience:noun:2" ]
[]
[]
null
[ "class", "gun", "gruelling" ]
gpt-6-luna
flex
low
resp_0cd6376e1d6c4658006ac1b2094b4c87d1851788f7b44cc700
2026-10-04T01:55:48.255289+00:00
edu-v2-editor
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ogedu-pilot-0.1
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{"Imani": "Argia", "Nadia": "Chrissy"}
4c1f75d82203f477dfa0f9d9d5434d40d688c0edf6f74a210a525883ce81635a
1,147
oge-p-00cbf57bbf8770a5
pilot
# The Measure of a Road Dust hung in the warm air, and crushed mint scented the shade beneath the plane trees. On the grassy lawn outside the governor’s storehouse, a mule stamped at flies while Tertia unrolled a map across a bench. Her friend Nikanor leaned over it. “You have drawn the road through our olive press.”...
The Measure of a Road
college
Introductory college
plain
world_history
World history
story
short
502
4.7
Roman Republic and Empire
world_history.college.12
world_history.college.12
D
[ "roman_republic:noun:0", "senate:noun:0", "citizenship:noun:0" ]
[]
[]
null
[ "lawn", "alarm", "four" ]
gpt-6-luna
flex
low
resp_0e8b2ff1aae11e21006ac1a318fdc087d1a5a74de4835da459
2026-10-04T00:52:33.251951+00:00
edu-v1-teacher
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{}
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oge-p-00e6b1b1b22e6642
pilot
# When Useful Materials React A clean steel tool and a rusted one may have begun as the same material, but only one still has a sound surface. The difference is not simply that one has “gotten dirty”: steel can react with its surroundings and gradually lose strength. This chemical deterioration is called **corrosion**...
When Useful Materials React
college
Introductory college
technical
chemistry
Chemistry and materials
explainer
short
435
10.73
Corrosion and Material Degradation
chemistry.college.34
chemistry.college.34
TA401-492
[ "corrosion:noun:0", "oxidation:noun:0", "protective_coating:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_022e59ab77c936ec006ac1a75ea59c87d18f437a3362c9114b
2026-10-04T01:10:12.130539+00:00
edu-v2-editor
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5451a479f4b4a3e13f786234a1db1cfc6338ef43e09e79aefddbf70122071085
544
oge-p-00f1b6162b256543
pilot
Why Does a Good Interface Tell You What to Do Next? Nathalia is entering expenses after a day of work. She selects a receipt, types its amount, and presses “Submit.” The screen changes, but nothing else seems to happen. Did the system save the expense, or did her click miss? She waits, then presses the button again. A...
Why Does a Good Interface Tell You What to Do Next?
college
Introductory college
informal
computing
Computing and information
explainer
medium
959
8.81
People, Interfaces, and Accessibility
computing.college.32
computing.college.32
QA75.5-76.95
[ "feedback:noun:1", "accessibility:noun:0", "inclusive_design:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0a6b4f07f2b3d050006ac1a85b48a487d1adc32d610ba0ff2d
2026-10-04T01:14:44.056115+00:00
edu-v2-editor
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{"Mara": "Nathalia"}
53ea45cebad6132a8000af1ffc91a6d7995068d745e59c9ee61d337f0ccd6c46
1,120
oge-p-010f52a01c900747
pilot
The Worth of Keeping Things Running A bicycle tune-up is a little like a routine health check: it can catch small problems before they become expensive ones. The mechanic’s work is a service, not a physical product, but it creates value by helping the bicycle remain safe and useful. Economists use “value” in several ...
The Worth of Keeping Things Running
college
Introductory college
informal
economics
Economics and everyday money
short_piece
brief
210
9.21
Goods, Services, and Value
economics.college.06
economics.college.06
HB
[ "servicing:noun:1", "value:noun:1", "scarcity:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_04beb464c842625c006ac1b61033f487d1823af4216add7370
2026-10-04T02:12:38.395912+00:00
edu-v1-teacher
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{}
d1eae8d15e32f964f0d988e34155ec79d15ae361e63370f60701943ad26df919
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oge-p-012736ca0bff26cd
pilot
A rug can bunch into a ridge when I push it across a smooth floor. The ridge is small, but it gives me a useful question: can sideways pressure make layers of rock rise into a mountain? I tested a simplified version with three thin layers of soft modeling clay, each a different color. I stacked them in a shallow plast...
null
college
Introductory college
informal
earth_space
Earth and space science
lab_notes
medium
571
7.72
Mountain Building Processes
earth_space.college.10
earth_space.college.10
QE
[ "folding:noun:2", "fault:noun:2", "uplift:noun:2" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0724498646cdba78006ac1a652c14887d1bead680b35be4522
2026-10-04T01:06:01.438784+00:00
edu-v2-editor
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oge-p-01304ea3b02e282a
pilot
A Balance That Never Stands Still Seal a little water in a clear container and watch it over time. Once the liquid and its vapor reach a steady balance, the visible amounts stop changing—but molecules haven’t stopped moving. Water molecules still escape into the vapor, while others return to the liquid. At dynamic equ...
A Balance That Never Stands Still
college
Introductory college
informal
chemistry
Chemistry and materials
short_piece
brief
139
10.58
Chemical Equilibrium
chemistry.college.24
chemistry.college.24
QD
[ "dynamic_equilibrium:noun:0", "equilibrium_constant:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_02c906c59fcbf79f006ac1b775283487d1ae0c4dea76fab35a
2026-10-04T02:18:36.678885+00:00
edu-v1-teacher
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oge-p-0137b96e4b0b41b7
pilot
# A Paper Model of Moving Plates Across distances of thousands of kilometres, Earth’s outer shell moves in pieces. I wanted to see how the edges of those pieces could create different kinds of geological activity, even when the pieces themselves moved only a little. **Question:** What happens when two parts of Earth’...
A Paper Model of Moving Plates
college
Introductory college
plain
earth_space
Earth and space science
lab_notes
medium
632
7.91
Plate Tectonics
earth_space.college.08
earth_space.college.08
QE
[ "lithosphere:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0e014ee643d3c4e5006ac1b15ba26087d18048b06d88cbf343
2026-10-04T01:52:47.007730+00:00
edu-v2-editor
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{}
905435eb5b8a06deb7a3963a372a39a6527d257694900c80d82fe74d47e072a2
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oge-p-013df044bbe63fee
pilot
“Jox ma ko,” someone says: “Give it to me.” The short Wolof command could be heard in a market, on a riverbank, or beside a fishing boat. Its words carry no map of their own. Yet Wolof has travelled across landscapes and social boundaries in western Africa, becoming a first language for many people and a shared means ...
null
college
Introductory college
formal
geography
Geography and peoples of the world
history_narrative
xlong
2,033
11.28
null
geography.college.27
geography.college.27
GB
[]
[ "Q34257" ]
[ { "qid": "Q34257", "pid": "P17", "value": "Q1041" }, { "qid": "Q34257", "pid": "P279", "value": "Q1708753" }, { "qid": "Q34257", "pid": "P31", "value": "Q33742" } ]
null
null
gpt-6-luna
flex
low
resp_0f70aace32661399006ac1b6075f0087d1b4d6c7e55a19b209
2026-10-04T02:13:37.238478+00:00
edu-v2-editor
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oge-p-0143f2f454a7880d
pilot
The Flavor of a Bite A warm slice of toast seems mild until a stuffy nose makes its flavor fade. The tongue still detects tastes, but much of the familiar impression is missing. Taste begins when substances dissolve in saliva and stimulate sensory cells in the mouth. These cells respond to sweet, sour, salty, bitter,...
The Flavor of a Bite
college
Introductory college
formal
everyday
Everyday life, practical skills and sport
short_piece
brief
203
8.46
Flavor, Texture, and Sensory Judgment
everyday.college.07
everyday.college.07
GT
[ "taste:verb:0", "aroma:noun:0", "mouthfeel:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0a6a3a24e14cad1a006ac1b790797887d1bb86ab9380f43ab9
2026-10-04T02:19:04.554779+00:00
edu-v1-teacher
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ogedu-filters-0.5
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{}
f9c911ec08ce028c06817ef7b5d3aec3bd06c6933b72c8d23fe775c48e7faa80
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oge-p-014e85d42da73899
pilot
A Bowl Built from Strips Three or four layers of paper can turn a flimsy sheet into a small, sturdy bowl. To make one, Kotomi gathers scrap paper, white school glue, water, a brush, and a bowl to use as a mould. The materials are simple; the design comes from how she puts them together. First, she covers the outside ...
A Bowl Built from Strips
college
Introductory college
informal
chemistry
Chemistry and materials
everyday_procedure
short
426
7.26
Composites and Material Design
chemistry.college.33
chemistry.college.33
TA401-492
[ "composite:noun:0", "matrix:noun:2", "reinforcement:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0f81155987d7e50e006ac1a79e354c87d1903f1bfd31a90e07
2026-10-04T01:11:11.307376+00:00
edu-v1-teacher
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{"Alba": "Kotomi"}
35d72d2c6520f42692d2987872bf0c794026f231b9deb020bbe163209a26dd7a
574
oge-p-01a935c792779c5b
pilot
Roads, Schools, and Opportunity One community is linked by paved roads and reliable buses; another is separated from clinics and schools by difficult journeys. Such contrasts reveal how infrastructure—the systems that enable movement, communication, and essential services—can shape people’s choices. Comparisons of pr...
Roads, Schools, and Opportunity
college
Introductory college
formal
geography
Geography and peoples of the world
short_piece
brief
176
14.09
Development, Inequality, and Place
geography.college.34
geography.college.34
GF
[ "human_development:noun:0", "infrastructure:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_09abfccc0fccdd34006ac1b9f364f487d1882956d67f74b14c
2026-10-04T02:29:14.378883+00:00
edu-v1-teacher
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{}
bdac051c35df0ee110f857b98f970b40f4489d251da50514d43d3d21dac91477
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oge-p-01bd0f9debf8ad0e
pilot
# How Do We Map the Stable Forms of Matter? A phase diagram maps which forms of a material are stable under different conditions of temperature, pressure, and, for mixtures, composition. The map begins with a careful definition of the system. A phase is a region of matter that is uniform in its physical properties an...
How Do We Map the Stable Forms of Matter?
college
Introductory college
technical
chemistry
Chemistry and materials
how_it_works
medium
757
10.4
Phase Changes and Phase Diagrams
chemistry.college.16
chemistry.college.16
QD
[ "phase_transition:noun:0", "phase_diagram:noun:0", "critical_point:noun:2" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_092ed52098896bd2006ac1a889cfd487d1862a0286c4b09d82
2026-10-04T01:15:20.893299+00:00
edu-v1-teacher
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ogedu-pilot-0.1
ogedu-filters-0.5
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{}
1504970e18a3ca0b0d452a2cc9715339f88abcafd3bd665f81412efe0b8c6f57
921
oge-p-02007df65e926ff5
pilot
A Pattern That Persists Scatter paper circles of two colors on a contrasting sheet, then try to pick them up quickly without looking away. I used that simple activity to think about how natural selection can change a population. My question: If some inherited traits help organisms survive in a particular environment,...
A Pattern That Persists
college
Introductory college
technical
life_science
Life science and ecology
lab_notes
short
427
10.38
Evolutionary Evidence and Mechanisms
life_science.college.19
life_science.college.19
QH
[ "fossil:noun:0", "comparative_anatomy:adjective:0", "natural_selection:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_03731ee5ce572382006ac1a7b4cdbc87d1acb709f20d707782
2026-10-04T01:11:32.101846+00:00
edu-v2-editor
ff87c821a55158fedba64115399010c41abef49fe69f1522087be8314ed3315f
ogedu-pilot-0.1
ogedu-filters-0.5
null
3198427c6fc2fe9fbc1c753fcc946f7c3c2795ddf3e40ae30f1aa3a28cd21a87
false
{}
4a8b74474c820ce102edd463e087ba9b7c2c3ce60d94ac0fb6c96cc0962a88eb
516
oge-p-02777a5c84e11c44
pilot
The Jar in the Sun “The pond feeds the herons,” Auli said. “Not the sunlight.” Rogelio pointed at the bright strip on the water. “Without that, the pond wouldn’t feed anything.” They were arguing beside a marsh where their college ecology group had set up a small study station. Their instructor had asked them to fin...
The Jar in the Sun
college
Introductory college
informal
life_science
Life science and ecology
story
medium
798
5.06
Energy Flow in Ecosystems
life_science.college.28
life_science.college.28
QH
[ "primary_production:noun:0", "solar_energy:adjective:0", "respiration:noun:1" ]
[]
[]
null
[ "oldie", "tack", "west" ]
gpt-6-luna
flex
low
resp_03f57ddc0a0d888d006ac1b64613d087d1a61c2688beeee64f
2026-10-04T02:14:28.828217+00:00
edu-v2-editor
3833616b4c7ec2305657caa191b013266f13d93374c68ca3ff77bb8febc3641a
ogedu-pilot-0.1
ogedu-filters-0.5
null
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true
{"Anouk": "Auli", "Santiago": "Rogelio"}
859a311c878f5511a17ed3543b672c9382ea5a4cccc5cc1fb15d42108a0f47cd
1,209
oge-p-0297446f6cd7d74f
pilot
Reading the Built Past A building can preserve evidence of its time while concealing the choices that shaped it. How, then, can its visible form be read without mistaking appearance for a complete account? This book treats architecture as a historical record made of materials, spaces, and decisions. Its facade—the bu...
Reading the Built Past
college
Introductory college
formal
arts
Arts and music
short_piece
brief
197
11.92
Architectural Styles and Context
arts.college.18
arts.college.18
ML
[ "facade:noun:0", "ornament:noun:0", "proportion:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0acc71f9ced1bce0006ac1ba0a9f4087d1927e628578c72104
2026-10-04T02:29:49.238248+00:00
edu-v2-editor
f05e3089cec6e411d0ab0bb6e77e6b1136d8a4ff90fa567270f8f10bb5412e8c
ogedu-pilot-0.1
ogedu-filters-0.5
null
48bbac1ca34056691d9770cc8b8ed0f25efb48bcfa33e885e16c2a965e3ffb6e
false
{}
910eb2dd31aec8d10f2fe8ec7b6159ba3e860e1c34f170eb10a2eed9a3b632d8
244
oge-p-03276fb155556e38
pilot
A household budget is easier to trust when everyone can see what was spent, who approved it, and whether the spending matched the plan. Public institutions face the same basic problem, though on a larger scale: officials make decisions using authority entrusted to them by others. Holding them accountable means requirin...
null
college
Introductory college
technical
civics
Civics, government and law basics
explainer
medium
808
11.69
Public Ethics and Accountability
civics.college.33
civics.college.33
JK
[ "conflict_of_interest:noun:0", "transparency:noun:1", "oversight:noun:2" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_08c511db0c0e1b58006ac1a3edb6b487d1af63576a73430532
2026-10-04T00:55:23.536659+00:00
edu-v1-teacher
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ogedu-pilot-0.1
ogedu-filters-0.5
null
f26b4607ce2332e4cc4b635fdefdc3b9fdbab175976d1451df4178ce9feb343f
false
{}
fb86e9ed114debcb26eeb0fa80a9fe38e247f271c503b9ab980ddfb0e9719144
902
oge-p-0388ef5cf05a5ea2
pilot
Producing the next generation is the set of biological processes by which organisms make offspring and pass on hereditary information. ## Reproduction and inheritance Every organism has a life cycle: it begins, grows, and eventually produces offspring, or contributes to their production. Reproduction links one genera...
null
college
Introductory college
formal
life_science
Life science and ecology
textbook_section
xlong
2,076
12.19
Sexual and Asexual Reproduction
life_science.college.14
life_science.college.14
QH
[ "gamete:noun:0", "fertilization:noun:0", "clone:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_02d343e8eaf7240b006ac1b8021b3487d1a180025ed102d4d7
2026-10-04T02:21:55.687894+00:00
edu-v1-teacher
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ogedu-pilot-0.1
ogedu-filters-0.5
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false
{}
a9607f2a5edfdb58b12ff7d7079a53860f7b228de0661207a4e9e074bf88401f
2,698
oge-p-038b8d382b6fadc5
pilot
A Stack of Paper At my kitchen table, I set out a small stack of printer paper and a metric ruler. I wanted to find out how well I could measure the thickness of one sheet. I first measured the stack’s height, pressing the ruler’s zero mark against the table. The stack contained 50 sheets. Its height looked close to ...
A Stack of Paper
college
Introductory college
plain
physical_science
Physical science
lab_notes
short
384
6.68
Measurement, Units and Uncertainty
physical_science.college.00
physical_science.college.00
QC
[ "si_unit:noun:0", "measurement_uncertainty:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_062eee2728602be2006ac1bb5c921887d19d568a212391193c
2026-10-04T02:35:20.725288+00:00
edu-v1-teacher
4bd0226319800702b1f00559a624d021a0c9bc89ef4f5907ddafb5aa6ba02ae9
ogedu-pilot-0.1
ogedu-filters-0.5
null
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false
{}
bf43010bb7229c06fe617fe381a12153a3a8bf50733301e4cbe61c6ab8dc8a11
442
oge-p-039fbbf137295cc8
pilot
A heater can oscillate between too warm and too cold because its controller corrects a temperature error too strongly or too late. This is a basic hazard of feedback: correction can amplify the very variation it is meant to reduce. In an automated heating system, a sensor measures room temperature and converts it into...
null
college
Introductory college
formal
technology
Technology and engineering
short_piece
brief
174
11.6
Sensors, Feedback, and Automation
technology.college.12
technology.college.12
TK
[ "sensor:noun:0", "actuator:noun:0", "feedback_loop:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_02a8df3b9ed1a379006ac1b9a06dd887d1a9abcf044776abf3
2026-10-04T02:27:57.267102+00:00
edu-v2-editor
6b4e38204c5ad065c38f1fe210f98a7853f107236977c48a3e3412a67f51e227
ogedu-pilot-0.1
ogedu-filters-0.5
null
48bbac1ca34056691d9770cc8b8ed0f25efb48bcfa33e885e16c2a965e3ffb6e
false
{}
c7a4749b5fd0051ccead70287f7146c391ec7137bcc1c9662d46e18f87dbeb58
229
oge-p-03cf90f2ed9d62b3
pilot
# What Changed in the Collision? “You can’t say the bumper made the cart stop,” Radka said. “It bounced backward.” “It stopped for an instant,” Mattis replied. “That’s what I meant.” At the end of the lab bench, the cart rolled down the track again, struck its twin, and sprang away. The second cart shot forward. Nei...
What Changed in the Collision?
college
Introductory college
informal
physical_science
Physical science
story
long
1,493
5.33
Momentum, Impulse and Collisions
physical_science.college.11
physical_science.college.11
QC
[ "impulse:noun:1", "conservation_law:noun:0", "elastic_collision:noun:0" ]
[]
[]
null
[ "shaker", "cup", "direct" ]
gpt-6-luna
flex
low
resp_0a1e730517364c48006ac1a3d9f22c87d1ad514b7e166acc48
2026-10-04T00:56:09.837148+00:00
edu-v1-teacher
37ced99a60432afe070db1cbbb79d348acba5aad1529c740603858ce97341b68
ogedu-pilot-0.1
ogedu-filters-0.5
null
f26b4607ce2332e4cc4b635fdefdc3b9fdbab175976d1451df4178ce9feb343f
true
{"Bose": "Zehnder", "Bruno": "Mattis", "Elif": "Radka", "Gloria": "Lois"}
b85249b3c4e24ec2c2e9587d775a626d9a4c4daef503b4d2645eae7756533af8
2,161
oge-p-03d94bdade30664c
pilot
Reading the Street in Motion At dusk, a cyclist approaches an intersection while a pedestrian steps out from between parked cars. Both are moving carefully, yet neither has a clear view of the other. The scene shows why active travel depends on more than individual caution: people must notice one another, judge what m...
Reading the Street in Motion
college
Introductory college
formal
everyday
Everyday life, practical skills and sport
textbook_section
medium
977
9.82
Walking, Cycling, and Road Awareness
everyday.college.19
everyday.college.19
GV
[ "visibility:noun:1", "distraction:noun:1", "shared_space:adjective:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_066a3373b1aa902a006ac1b07ce22487d19dfc77d6bc10c873
2026-10-04T01:49:11.249444+00:00
edu-v2-editor
90b27e0f9717dcb76b8eba704e0fb619932ce8ad8f05056a823164706012957c
ogedu-pilot-0.1
ogedu-filters-0.5
null
3198427c6fc2fe9fbc1c753fcc946f7c3c2795ddf3e40ae30f1aa3a28cd21a87
false
{}
88b2ba10bc90303ae6249e74e4180555669337669a46a6740957609ccdd2e650
1,171
oge-p-03da846ba80fc04e
pilot
What Can a Close Description Reveal? Why can two people looking at the same painting disagree about what is in it, yet agree about where its brightest area lies? The answer is that looking involves both noticing and interpreting. A close description makes the first activity more deliberate. It records visible features...
What Can a Close Description Reveal?
college
Introductory college
formal
arts
Arts and music
explainer
short
433
8.35
Looking at Visual Art
arts.college.00
arts.college.00
N
[ "observation:noun:2", "formal_description:noun:0", "composition:noun:2" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0f992f347685f3cb006ac1b17451c487d1a369aec99c8efeb0
2026-10-04T01:53:16.751596+00:00
edu-v2-editor
c50508fdb5a17bb012575b4df56f6675f7c276590dbb76e6ed542ae32ea1925b
ogedu-pilot-0.1
ogedu-filters-0.5
null
3198427c6fc2fe9fbc1c753fcc946f7c3c2795ddf3e40ae30f1aa3a28cd21a87
false
{}
1f93d1c86376367e3674a05f61f74194c9686a87417c0fa3c1769d488175b73d
506
oge-p-03f8868f51b03f10
pilot
A green leaf does not simply “eat” sunlight, and the oxygen it releases does not come from carbon dioxide. I tested one part of this idea by comparing leaf disks exposed to light with disks kept in darkness. I used fresh spinach leaves, a drinking straw, two clear cups, water, a small amount of baking soda, and a desk...
null
college
Introductory college
technical
life_science
Life science and ecology
lab_notes
short
408
9.3
Photosynthesis in Plants
life_science.college.06
life_science.college.06
QK
[ "chloroplast:noun:0", "light_reactions:noun:0", "pigment:noun:1" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_08bd875943d94d1b006ac1a7ffd38087d1b81a1262deee9741
2026-10-04T01:12:39.867192+00:00
edu-v1-teacher
06f6d948cdcd977e9d1dd65c621b2853e658bd6e976af06ba30abc1d7c12d649
ogedu-pilot-0.1
ogedu-filters-0.5
null
3198427c6fc2fe9fbc1c753fcc946f7c3c2795ddf3e40ae30f1aa3a28cd21a87
false
{}
4a3480215655115aa0b51a982e68acf9c76356e8f6d225f3f7e8d4cc4cca132b
528
oge-p-04066ea35c395639
pilot
# What Can Machine Learning Learn—and What Can’t It? A weather forecast is like a map: useful because it leaves out most details while preserving patterns that help us find our way. Machine learning works in a similar spirit. It builds a simplified representation of patterns in data, then uses that model to make predi...
What Can Machine Learning Learn—and What Can’t It?
college
Introductory college
informal
computing
Computing and information
explainer
short
457
9.11
Artificial Intelligence and Learning Systems
computing.college.31
computing.college.31
QA75.5-76.95
[ "training_data:noun:0", "modelled:adjective:1", "feature:noun:2" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0fb3205ec430531d006ac1ba8394e487d1b000bfd176214e4f
2026-10-04T02:31:57.731255+00:00
edu-v2-editor
08a429d1888c24b8acb116c9e6c45502f322f48c228eea2bb2931420c92d6336
ogedu-pilot-0.1
ogedu-filters-0.5
null
48bbac1ca34056691d9770cc8b8ed0f25efb48bcfa33e885e16c2a965e3ffb6e
false
{}
1c1a3ebdc1784938a73232d7ee2472406f82fae3d03a59961adbd77c47a0346b
523
oge-p-041503c4645f1e6e
pilot
## Cultural Landscape In the rice terraces of northern Luzon in the Philippines, fields follow steep mountain slopes, while paths, water channels, homes, and places of worship connect farming to community life. This is a cultural landscape: a place whose visible form and meaning have been shaped by people over time. I...
Cultural Landscape
college
Introductory college
plain
geography
Geography and peoples of the world
short_piece
brief
167
11.16
Cultural Landscapes and Identity
geography.college.12
geography.college.12
GF
[ "cultural_landscape:noun:0", "heritage:noun:0", "cultural_diversity:adjective:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_00e987430e424d49006ac1b5c356a487d1b14e215dd9bf35d2
2026-10-04T02:11:21.889255+00:00
edu-v2-editor
08fff7bf8c01844db76540cfdbedc38f9da796045b9ee3a63e9c43bec09dc628
ogedu-pilot-0.1
ogedu-filters-0.5
null
48bbac1ca34056691d9770cc8b8ed0f25efb48bcfa33e885e16c2a965e3ffb6e
false
{}
5960d8dbb242b518cf8069e7db294e9b5db2e62d79f5aeb3d9c0bbd2503d42d9
193
oge-p-042d3b15d65d9e5e
pilot
# Keeping Household Systems Reliable Like servicing a vehicle before a journey, routine care of household systems means inspecting and maintaining the equipment that supplies water, electricity, heating and drainage before small faults become serious ones. This preventive maintenance can improve reliability and reduce...
Keeping Household Systems Reliable
college
Introductory college
formal
everyday
Everyday life, practical skills and sport
encyclopedia_entry
short
470
11.94
Home Systems and Routine Maintenance
everyday.college.11
everyday.college.11
GT
[ "water_system:noun:0", "electrical_system:noun:1", "preventive_maintenance:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_06c4f49908639071006ac1a7d536ec87d1a56cf264dd3cf211
2026-10-04T01:12:01.448540+00:00
edu-v2-editor
96d38ea6c8e50186d59b260a512450f46617600f57696266e7f07bac15ff8cb9
ogedu-pilot-0.1
ogedu-filters-0.5
null
3198427c6fc2fe9fbc1c753fcc946f7c3c2795ddf3e40ae30f1aa3a28cd21a87
false
{}
ddadbff24ea2d4b9794d12e0beafa87ff074bdecbef57392b90dd0321d01b875
584
oge-p-047a2a6448da8f60
pilot
What Did the Gauge Find? “Don’t call it finished until it fits,” Naoyuki said. Gaute looked up from the aluminum bracket in his hand. “It fits the drawing.” “It fits the drawing on your screen.” The bracket was one of four parts for a small pump stand the engineering club had promised to build for the campus greenh...
What Did the Gauge Find?
college
Introductory college
plain
technology
Technology and engineering
story
long
1,470
3.84
Manufacturing Processes and Quality
technology.college.07
technology.college.07
T
[ "machining:noun:0", "form:verb:0", "join:noun:0" ]
[]
[]
null
[ "spell", "slice", "instant" ]
gpt-6-luna
flex
low
resp_02c92ae703e78fa8006ac1baf9f2c887d1930d404d3f0efbe9
2026-10-04T02:34:50.369177+00:00
edu-v2-editor
d84141f11d3c8c67b728b43db537501abb544e6884e9df7e798e62033b6bec5a
ogedu-pilot-0.1
ogedu-filters-0.5
null
48bbac1ca34056691d9770cc8b8ed0f25efb48bcfa33e885e16c2a965e3ffb6e
true
{"Darius": "Gaute", "Hamid": "Naoyuki"}
a3249ae0e2cb67168ec4841ddab105fa934382d714895ed061b3615c2695b7c5
2,198
oge-p-049fb41c242f9a65
pilot
How can a change in a planet’s surface reflectivity affect the energy it absorbs, and can that change reinforce itself? I used two shallow plates, white paper, dark paper, and four ice cubes of similar size. I covered one plate with white paper and the other with dark paper, then placed two cubes on each. I set the pl...
null
college
Introductory college
plain
earth_space
Earth and space science
lab_notes
short
371
8.14
Earth System Connections
earth_space.college.00
earth_space.college.00
QE
[ "energy_flow:noun:0", "feedback:noun:1", "system_boundary:noun:0" ]
[]
[]
null
null
gpt-6-luna
flex
low
resp_0c01bc15a6cee1cb006ac1a3a15b6487d1ba427a05f931a752
2026-10-04T00:54:03.561024+00:00
edu-v1-teacher
f71993ad43fb336fd770bc449fe550bb98477efb975cfe3b4ca69d07121eea6c
ogedu-pilot-0.1
ogedu-filters-0.5
null
f26b4607ce2332e4cc4b635fdefdc3b9fdbab175976d1451df4178ce9feb343f
false
{}
5497262c1f753bcd4adceba1a47095388bfecb54be60252dab2f5c4e73985a4f
440
End of preview. Expand in Data Studio

OpenGloss-Edu (v1.2)

Every document was written by a language model, OpenAI gpt-6-luna (flex tier, reasoning effort low; $100.72 in total for v1), from seeds built out of OpenGloss senses, Wikidata (CC0) and a few KL3M public-domain legal windows. Facts can be wrong; see the v1 card's Release QA/QC and Limitations, which apply unchanged.

Version 1.2 is exactly the OpenGloss-Edu data the ALEA R3 model trains on in its stable phase (mixes stable.v3 to stable.v4c, steps 5,800-23,200; from step 23,200 the stable.v4d mix, see CHANGES): 254,132 of v1's 285,495 documents, 209,834,432 ALEA tokens incl. <|start|>/<|end|>, 3.859 passes on average, 2.503% of stable.v3. Rows are byte-identical v1 rows (same columns); mapping/stable_v3.parquet adds each document's R3 set id and number of passes.

config level documents
k2 Grades K-2 34,230
g35 Grades 3-5 57,860
g68 Grades 6-8 72,884
g912 Grades 9-12 56,822
college Introductory college 31,891

CHANGES (v1.1 -> v1.2): tracking the stable.v4d mix

On 2026-10-12 (step 23,200) ALEA R3's stable phase switched to a new mix, stable.v4d (13.5B tokens; it trains until the stable phase ends at step 35,619). It removes a few layouts the model had over-learned, cuts the correction share, applies the latest evaluation references, and adds the NLP task suite. This version tracks it:

  • Removed from this version: 445 documents that share an n-gram with ALEA evaluation items added since v1.1 (held-out task items, probe prompts), outside the boilerplate exemption for public-record text. stable.v4d's fail-closed decontamination removed the same documents from training. They remain in the v1.1 tag.
  • Kept, but no longer in the stable mix: 15 documents (removed_format). R3 trained on them before step 23,200, so they stay in this release. Counted over the whole training set: 15 have a trailing correction-instruction phrase ("Correct the sentence above." and similar).
  • New file mapping/stable_v4d.parquet: one row per released document (and the few stable.v4d documents that are not released): id, text_sha1, config, stable_set, v4d_status, exposures (passes in stable.v4d), n_tokens_alea (as trained, incl. <|start|>/<|end|>), released. v4d_status is trained, kept_unplanned (in the set, but after the point where its planned fraction of a pass ends), removed_format, removed_decon / removed_decon_screen (not released), removed_tox (not released) or not_in_v4d.
  • Every other file is byte-identical to the previous version; configs with removed documents keep their shard names, schema and row order.
config rows v1.1 rows v1.2 trained in stable.v4d in the set, unplanned kept, not in the mix exposures per trained document in stable.v4d
college 31,963 31,891 31,891 0 0 1.58
g35 57,921 57,860 57,858 0 2 1.59
g68 73,041 72,884 72,875 0 9 1.58
g912 56,954 56,822 56,818 0 4 1.58
k2 34,253 34,230 34,230 0 0 1.59

CHANGES (v1 -> v1.1)

  • Multi-question documents: documents with >= 4 question lines (FAQ-style quizzes and question chains) are capped at 2% of the set (were 12.7%); 31,251 seeded drops.
  • R3's fail-closed decontamination removed 102 documents when the R3 set was built, and the late copyright-eval / template-leak scan 10 more.
  • Nothing else changed: no new generation, no text edits.

Decontamination and held-out data

All documents passed R3's fail-closed decontamination (SHELF validation/test, all ALEA evals). Data used only in the final training phase is not included and stays private until the model ships.

Pre-release screens

config docs e-mail (official / placeholder / other) phone (official / placeholder / other) street (official / other) hashed slur/vulgar lexicon RoBERTa >= 0.8 (sample) decon hits
college 31,891 0 / 0 / 0 0 / 0 / 0 0 / 0 23 0/2000 (est. 0 docs) 0
g35 57,860 0 / 0 / 0 0 / 0 / 0 0 / 0 16 1/2000 (est. 29 docs) 0
g68 72,884 0 / 0 / 0 0 / 0 / 0 0 / 0 35 0/2000 (est. 0 docs) 0
g912 56,822 0 / 0 / 0 0 / 0 / 0 0 / 0 29 0/2000 (est. 0 docs) 0
k2 34,230 0 / 0 / 0 0 / 0 / 0 0 / 0 10 0/2000 (est. 0 docs) 0
  • PII: private contact details only; names in the public record (parties, judges, officials, statute names) are never screened or removed. official = government domains, or a number/address next to an agency, court or office cue; placeholder = example domains, 555 numbers. 'Other' hits are counted and listed by id for review; no text was changed, because this release mirrors the trained documents exactly.
  • Toxicity: the hashed slur/vulgar lexicon of the ALEA content guard (no terms stored in clear) on every document, and the KL3M behaviour suite's classifier (s-nlp/roberta_toxicity_classifier, any 64-word chunk >= 0.8) on a seeded sample per config. No document was removed: stable training applied no toxicity filter, and this release tracks it.
  • PII review: 0 hits of any PII pattern (OpenGloss-Edu's generation filters already rejected PII).
  • Decontamination re-check: 0 hits for the R3 bundle (including SHELF validation/test 13-grams), the post-bundle template-leak 8-grams and the copyright-eval 13-gram hashes.

Licence

Released under CC-BY-4.0 (generated by OpenAI gpt-6-luna, subject to the provider's terms for outputs). v1 remains at the tag v1.

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