# Statement of changes

Apache License 2.0, section 4(b): prominent notice that files carry modifications.

## What is modified

**No upstream source file is modified.** No file from `Qwen/Qwen3.8-27B` is edited,
renamed, patched or redistributed in this repository, with one exception: the
upstream licence text is reproduced byte-for-byte at `licenses/Qwen-Apache-2.0.txt`
(sha256 `bbedc3fda3305820b977265f01b8619d87570a6739de3a5582c3464840f1e57a`) because section 4(a) requires it. That file is
unmodified and carries the upstream copyright.

The modification this work carries is not an edit to a source file. It is a set
of **trained parameters applied to the base model at inference time**, plus an
original serving layer that reads the model's logits. Concretely:

| Change | Artifact | sha256 |
|---|---|---|
| LoRA adapter, rank 64, question-side placement, float32 | `adapter/adapter.safetensors` | `2addaf841ecc58829ad73081603b8d3e52743c53c6d558a17a1dd30e9bd2dbca` |
| Trained linear answer heads | `adapter/heads.npz` | `126a9b5487dca937a768a4f228f2d2e7d513900d8ad0e99c4137fbaa42a1aa6f` |
| Readout calibration, one positive scalar per task | `serving/scope9-readout-temperature-v2.json` | file `baa7263ca9e865dda230617563e6a615de5050adc620c28924dffef68d527118` / payload `682d611ec53c3322905c7e265bf9b9b35a1cd581f6d8b7ea924df864a3d74278` |
| Runtime identity binding | `serving/serving-binding.json` | payload `95683c1f87ec3f71b7657669dc311918ff53b7d41a981eaa8d827047e72cb505` |
| Serving layer (original work, not derived from upstream code) | `src/` | see `MANIFEST.json` |

Base model, unmodified and not redistributed: `Qwen/Qwen3.8-27B` at revision
`1d4bf0f2ff6012fd82039f2fa52739d0dd7c60c0`, Copyright 2026 Alibaba Cloud, Apache-2.0.

Training took place between 16 and 20 September 2026. The shipped artifacts are
identified by the checksums in the table above and in `MANIFEST.json`.

## Which files carry a change notice

| File | Why |
|---|---|
| `NOTICE` | Section 4(b) and 4(c) statement, carried with every copy |
| `MODIFICATIONS.md` | this file |
| `README.md` | names the base model, the pinned revision and the derivative relationship in the front matter and in the body |
| `adapter/config.json` | machine-readable record of the base repo, the pinned revision and both weight checksums |
| `serving/serving-binding.json` | pins the exact runtime the weights were measured on and refuses to load against a different one |

No file under `src/` carries an upstream change notice, because no file under
`src/` contains upstream code. Every file there is original work, written for
this project, and is covered by the repository's own Apache-2.0 `LICENSE` and by
the copyright line in `NOTICE`.

All of the changes described above — the adapter, the heads, the calibration, the
serving binding and the serving layer — are Copyright 2026
Doccy Pty Ltd and licensed under Apache-2.0.

## Third-party text scan

Before release, **every file staged into this repository was scanned for text
originating in third-party source documents.** The scan compared normalised
6-gram and 8-gram shingles of every staged text file against:

1. the 42 third-party source records the training and evaluation panels were
   built from (Apache-2.0, MIT, BSD-3-Clause, CC BY 4.0, CC BY-SA 4.0, CC0,
   OGL v3.0 and US-government public-domain assertions); and
2. every generated panel and document corpus on disk.

**Result: no third-party document text is present in any shipped file.** The
only matches were:

* the reproduced Apache-2.0 licence text at `licenses/Qwen-Apache-2.0.txt`, which
  matches an Apache-2.0 licence document held in the evaluation corpus and is
  required to be here verbatim; and
* the phrase *"A missing fact is not a negative fact"*, which is **our own
  prompt-template wording** appearing in our own evaluation panels, not
  third-party text entering our prompts.

Acceptance fixtures are excluded from this repository entirely. The fixture
documents used in live acceptance are original synthetic text authored for this
project and held in tooling that is not distributed.

Re-run the scan with `ops/solomon_package.py --scan` in the source project.