sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691: payload batch 1/1

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/C6A_REVIEW.md

@@ -0,0 +1,69 @@
+# session_20260921_232717_273624: selected-window mask review
+
+**window and masks accepted; reference input preparation pending.**
+
+Owner-selected anchor camera 12540311 converted frames: **340–691 inclusive**.
+Object: grey timing belt. Motion: two-handed grasp without lifting from table, compress and stretch cycles.
+Participating controllers: `hand_A+hand_B`. A is the right bracelet hand; B is the left hand.
+Hand masks cover visible bare forearm through fingertips and exclude sleeve/bracelet. The occluder covers the whole visible person, clothing, accessories and nonparticipating hands.
+
+[Recorded owner window decision](owner_window_decision.json) and [2026-10-28 owner mask review](owner_mask_acceptance_c6a_selected_20261028.json). Accept the reviewed object, hand_A, hand_B and whole-person occluder masks in all four cameras on the owner-selected window for reference input preparation. Prior, appearance and push fixed-attachment decisions remain separate.
+
+## Four-camera tiled videos
+
+Each video shows all four cameras in a 2×2 layout: **12540311 / 12933256** above **17736741 / 23007103**.
+
+[Object](review_tiled_c6a_20261028/role_object.mp4) · [Right hand A](review_tiled_c6a_20261028/role_hand_A.mp4) · [Left hand B](review_tiled_c6a_20261028/role_hand_B.mp4) · [Whole person](review_tiled_c6a_20261028/role_occluder.mp4)
+
+Playback is 10 frames/s for inspection. Views are associated by recorded timestamps; every native capture appears, with repeated tiles where needed. Labels show each camera’s selected-local, converted and native frame numbers, capture timestamp and offset from the display event. This is a display association, not a change to the masks or selected windows.
+
+[Exact displayed capture mapping](review_tiled_c6a_20261028/media_index.json).
+
+## Exact own-camera mapping
+
+| Camera | Selected-local t | Converted frames | Native container frames | First / last capture timestamp ns |
+|---|---|---|---|---|
+| 12540311 | 0–351 | 340–691 | 341–692 | 1790047671937380044 / 1790047683680120518 |
+| 12933256 | 0–351 | 339–690 | 340–691 | 1790047671923320011 / 1790047683664586734 |
+| 17736741 | 0–351 | 340–691 | 341–692 | 1790047671934508658 / 1790047683678177636 |
+| 23007103 | 0–351 | 339–690 | 340–691 | 1790047671927718587 / 1790047683672542740 |
+
+[Selected native input manifest](native_inputs/per_camera_inputs.json) and [exact source-mask row selection](mask_review_selection.json). Only each product’s named owning column is admitted; other columns are display associations.
+
+## Selected-window role clips
+
+Clips play every selected capture at 10 frames/s and retain the source capture timestamps. The first label uses selected-local `t`; each camera has its own count. The native mask arrays remain unchanged in the source packets.
+
+| Camera | Object | Right hand A | Left hand B | Whole person |
+|---|---|---|---|---|
+| 12540311 | [object](review_media_owner_window_20261028/12540311/role_object.mp4) | [hand_A](review_media_owner_window_20261028/12540311/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/12540311/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/12540311/role_occluder.mp4) |
+| 12933256 | [object](review_media_owner_window_20261028/12933256/role_object.mp4) | [hand_A](review_media_owner_window_20261028/12933256/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/12933256/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/12933256/role_occluder.mp4) |
+| 17736741 | [object](review_media_owner_window_20261028/17736741/role_object.mp4) | [hand_A](review_media_owner_window_20261028/17736741/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/17736741/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/17736741/role_occluder.mp4) |
+| 23007103 | [object](review_media_owner_window_20261028/23007103/role_object.mp4) | [hand_A](review_media_owner_window_20261028/23007103/role_hand_A.mp4) | [hand_B](review_media_owner_window_20261028/23007103/role_hand_B.mp4) | [occluder](review_media_owner_window_20261028/23007103/role_occluder.mp4) |
+
+[First / middle / last person-mask readback](review_media_owner_window_20261028/occluder_first_middle_last.jpg) and [media selection/admission record](review_media_owner_window_20261028/media_index.json).
+
+## Existing evidence and remaining review
+
+[Earlier packet and boundary context](/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0332-0699/C6A_REVIEW.md) remain available; their old interval is historical. The existing mask quality findings remain relevant where their captures are retained. A trim does not correct mask defects or constitute a new full-playback mask review.
+
+### Reference review completed, 2026-10-28
+
+The [reference review](accepted_input_preparation_c6a_v1/review_v1/REVIEW.md) inspected 43 native keyframes, 20 plots, derived snapshots/coverage, and 80 temporal samples from five fully decoded videos. It finds no blocker for current initial ribbon-prior construction. Both hands retain 30 valid controls (20 A / 10 B); maximum initial distance is 39.864 mm. Grip gaps, uneven contour coverage and the camera 17736741 depth offset remain explicit. Prior and appearance decisions are separate.
+
+### Initial ribbon prior review complete
+
+The [prior review](accepted_input_preparation_c6a_v1/prior_review_v1/PRIOR_REVIEW_c6a_v1.md) links all four views and rotation. The 25 mm zero-thickness open ribbon passed geometry checks and numerical/visual review; owner approval is pending. Length is near its upper soft bound (665.968 mm), minimum z is −3.394 mm, and camera 23007103 retains larger surface-depth residuals. Both hidden grasp intervals remain inferred.
+
+
+Owner accepted the reviewed initial ribbon prior on 2026-10-28 for surface-only mechanical inputs and reference static appearance. [Exact decision](owner_prior_acceptance_c6a_v1.json). Trained appearance acceptance and physical fitting remain separate.
+
+## Preparation review update, 2026-10-28
+
+window, masks and prior accepted; static appearance reviewed, owner appearance decision pending; mechanical review finishing.
+
+[Static appearance review](accepted_input_preparation_c6a_v1/APPEARANCE_REVIEW_c6a_v1.md). Hidden grasp regions retain diffuse blobs, speckled filling and local protrusions.
+
+window, masks and prior accepted; mechanical inputs and static review complete; trained appearance reviewed, owner appearance acceptance pending.
+
+Owner accepted the reviewed static appearance on 2026-10-28, including disclosed hidden-grasp artifacts. Mechanical preparation and its static review are complete. No physical fit has run.

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/mask_review_selection.json

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+{
+  "purpose": "Review-only exact own-camera selection from original validated masks; no window rebinding or signoff",
+  "owner_window_decision": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_window_decision.json",
+  "previous_packet": {
+    "session_id": "session_20260921_232717_273624",
+    "object": "grey timing belt",
+    "motion": "two-handed grasp without lifting from table, compress and stretch cycles",
+    "proposed_anchor_frames": "332-699",
+    "T": "368",
+    "per_camera_counts": "368/368/368/368",
+    "rectangular": "true",
+    "participating_hands": "hand_A+hand_B",
+    "alternatives": "",
+    "masks": "not yet proposed",
+    "case_dir": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0332-0699",
+    "status": "window proposed; pending owner review",
+    "source_proposal": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_proposal_c1/proposal.json",
+    "current_proposal": {
+      "start_anchor_frame": 332,
+      "end_anchor_frame_inclusive": 699,
+      "start_ns": 1790047671673762271,
+      "end_ns": 1790047683947077631,
+      "rationale": "Start = last hand (left, no bracelet) makes contact. In the close view 17736741 the left fingertips hover above the far rim with a visible gap through 329, touch at 330-331 and pinch the rim from 332 on (start_zoom_17736741_326-341.jpg); the right (bracelet) hand reaches the near rim ~320-324. End = left hand releases first: fingertips on the rim at 697-699, a small gap at 700 and a clear gap at 701 (end_zoom_12540311_697-702_upperhand.jpg); right hand withdraws with motion blur 701-704. Loop stays on the table throughout."
+    },
+    "amendment": null,
+    "owner_accepted": false,
+    "products": [
+      {
+        "root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0332-0699",
+        "frames": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0332-0699/inspection/frames.npz",
+        "serials": [
+          "12540311",
+          "12933256",
+          "17736741",
+          "23007103"
+        ],
+        "T": 368,
+        "use": "rectangular proposed captures"
+      }
+    ]
+  },
+  "cameras": [
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+      "serial": "12540311",
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+      "source_mask_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0332-0699",
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+  "decision": "accept",
+  "date": "2026-10-28T16:30:03Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
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+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
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+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:30:07Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/native_inputs/cameras/12933256/review_signoff_occluder.json

@@ -0,0 +1,1125 @@
+{
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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:30:09Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:30:10Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+  "date": "2026-10-28T16:30:12Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
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+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
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+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
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+  "reviewed_by": "owner",
+  "decision": "accept",
+  "date": "2026-10-28T16:30:14Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/native_inputs/cameras/23007103/review_signoff_occluder.json

@@ -0,0 +1,1125 @@
+{
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+  "decision": "accept",
+  "date": "2026-10-28T16:30:16Z",
+  "labelling_as_accepted": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "review_material": [
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/owner_mask_acceptance_c6a_selected_20261028.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+    "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json"
+  ],
+  "code": "5e1b4258a3efb3620c533a4073a37212d8bf9ee5"
+}

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+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/native_inputs/per_camera_inputs.json

@@ -0,0 +1,33 @@
+{
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+      "result_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs/cameras/12540311"
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+      "result_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs/cameras/12933256"
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+      "result_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs/cameras/17736741"
+    },
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+      "result_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs/cameras/23007103"
+    }
+  ]
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_appearance_acceptance_c6a_v1.json

@@ -0,0 +1,11 @@
+{
+  "run_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/appearance_train_v1",
+  "final_ply": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/appearance_train_v1/model/point_cloud/iteration_10000/point_cloud.ply",
+  "final_ply_sha256": "8d7651ff32530a1685f0bffa46c5d75adae701cc112de6cdd15cfaf15d155d37",
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/APPEARANCE_REVIEW_c6a_v1.md",
+  "physical_fitting": "not authorized by appearance acceptance",
+  "owner_text": "Accept 232717\u2019s appearance",
+  "question_item_id": "[\"request_user_input_async\",\"call_c90a1a91f3864ef0ba1cbbaa42278ace\",1]",
+  "recorded_utc": "2026-10-28T21:33:05.594320+00:00",
+  "scope": "Accept this trained initial static appearance with the disclosed speckled filling, blurry lobes and local protrusions around hidden grasp regions. Physical fitting remains separate."
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_appearance_review_request_c6a_v1.json

@@ -0,0 +1,9 @@
+{
+  "requested_utc": "2026-10-28T21:27:55.001707+00:00",
+  "run_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/appearance_train_v1",
+  "final_ply": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/appearance_train_v1/model/point_cloud/iteration_10000/point_cloud.ply",
+  "final_ply_sha256": "8d7651ff32530a1685f0bffa46c5d75adae701cc112de6cdd15cfaf15d155d37",
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/APPEARANCE_REVIEW_c6a_v1.md",
+  "owner_decision": "pending",
+  "physical_fitting": "not authorized by appearance acceptance"
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_inspect.log

@@ -0,0 +1 @@
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs/per_camera_inputs.json and /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs/inspection.json

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_inspect_argv.json

@@ -0,0 +1,12 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python",
+  "scripts/phystwin_real_rgbd.py",
+  "inspect",
+  "--session",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_232717_273624",
+  "--window",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/phystwin_window.yaml",
+  "--per-camera",
+  "--output",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/native_inputs"
+]

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_mask_acceptance_c6a_selected_20261028.json

@@ -0,0 +1,16 @@
+{
+  "owner_text": "inspected all masks. All of them look good except for 232616, occluder mask in view 17736741 the bracelet flickers in and out. Again, if possible try to use at most 5 point prompts as anecdotally SAM2 seems to degrade if too many point prompts are provided. choose them wisely. If it can't be fixed its not a huge issue though.",
+  "recorded_utc": "2026-10-28T16:08:00.248304+00:00",
+  "accepted_window_anchor_inclusive": [
+    340,
+    691
+  ],
+  "participating_hands": [
+    "hand_A",
+    "hand_B"
+  ],
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/C6A_REVIEW.md",
+  "review_media": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/review_tiled_c6a_20261028/media_index.json",
+  "selection": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/mask_review_selection.json",
+  "scope": "Accept the reviewed object, hand_A, hand_B and whole-person occluder masks in all four cameras on the owner-selected window for reference input preparation. Prior, appearance and push fixed-attachment decisions remain separate."
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_prior_acceptance_c6a_v1.json

@@ -0,0 +1,10 @@
+{
+  "owner_text": "Approve 232717\u2019s initial prior",
+  "question_item_id": "[\"request_user_input_async\",\"call_e05a5ee6e201469cb762400048dc17bb\",0]",
+  "recorded_utc": "2026-10-28T21:04:55.782783+00:00",
+  "scope": "Accept this initial 25 mm zero-thickness ribbon prior for surface-only mechanical inputs and reference static appearance, retaining disclosed depth residuals, table registration and hidden grasp limitations. Trained appearance acceptance and physical fitting remain separate.",
+  "prior_root": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/prior_timing_v1",
+  "prior_manifest_sha256": "f57732aa08b630c0b66f8c9622a657207df2ff2654ea4ad64fdbb6c3c69f60a0",
+  "mesh_sha256": "f689ceecf96d013b7f3e7ba6e03aa08b006339797651f415ece332dd7eaaef61",
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/prior_review_v1/PRIOR_REVIEW_c6a_v1.md"
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_prior_review_request_c6a_v1.json

@@ -0,0 +1,13 @@
+{
+  "requested_utc": "2026-10-28T20:56:10.870678+00:00",
+  "prior_run": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/prior_timing_v1",
+  "manifest_sha256": "f57732aa08b630c0b66f8c9622a657207df2ff2654ea4ad64fdbb6c3c69f60a0",
+  "mesh_sha256": "f689ceecf96d013b7f3e7ba6e03aa08b006339797651f415ece332dd7eaaef61",
+  "review_packet": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/accepted_input_preparation_c6a_v1/prior_review_v1/PRIOR_REVIEW_c6a_v1.md",
+  "requested_scope": [
+    "mechanical input preparation",
+    "reference static appearance training"
+  ],
+  "owner_decision": "pending",
+  "physical_fitting": "not authorized by this request"
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_window.log

@@ -0,0 +1 @@
+Wrote /mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/phystwin_window.yaml

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_window_argv.json

@@ -0,0 +1,22 @@
+[
+  "/mnt/data0/magna/belt_perception_wt_c6a_lab_input_preparation_20261027/.venv/bin/python",
+  "scripts/phystwin_annotate_converted_session_window.py",
+  "--session-path",
+  "/mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_232717_273624",
+  "--anchor-serial",
+  "12540311",
+  "--start-timestamp-ns",
+  "1790047671937380044",
+  "--end-timestamp-ns",
+  "1790047683680120518",
+  "--expected-visible-hands-or-arms",
+  "2",
+  "--object-description",
+  "grey timing belt",
+  "--controller-description",
+  "hand_A = person's right hand (bracelet); hand_B = person's left hand. Participating: hand_A+hand_B",
+  "--notes",
+  "Owner selected anchor12540311 converted frames 340-691 inclusive on 2026-10-28. Masks remain unapproved.",
+  "--output-path",
+  "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0340-0691/phystwin_window.yaml"
+]

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/owner_window_decision.json

@@ -0,0 +1,10 @@
+{
+  "owner_text": "I've now inspected the best windows for the remaining sessions, but haven't yet fully inspected all the masks. please use these windows: 225524: 471-708, 225744: 335-775, 230338: 305-744, 230446: 282-676, 230550: 293-547, 230830: 349-805, 230937: 362-817, 231046: 364-711, 232051: 260-385, 232242: 307-584, 232344: 308-680, 232447: 336-500, 232616: 311-690, 232717: 340-691, 232822: 331-765, 232950: 220-428, 233045: 256-546, 233144: 268-673, 233350: 359-730",
+  "anchor_serial": "12540311",
+  "anchor_converted_frames_inclusive": [
+    340,
+    691
+  ],
+  "mask_acceptance": "pending",
+  "previous_case": "/mnt/data2/magna/belt_perception_shared/phystwin_model_corpus_expansion/lab/session_20260921_232717_273624/window_anchor0332-0699"
+}

sessions/session_20260921_232717_273624/annotations/windows/window_anchor0340-0691/native/phystwin_window.yaml

@@ -0,0 +1,81 @@
+schema_version: 1
+kind: phystwin_interaction_window
+session:
+  path: /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_232717_273624
+  session_id: session_20260921_232717_273624
+annotation_interface:
+  method: rerun
+  rerun_timeline: sync_time_ns
+  rerun_launch_command: uv run --no-sync python -m dataset_converter.visualize_rerun
+    --session-path /mnt/data2/magna/belt_perception/converted_datasets/sessions/session_20260921_232717_273624
+    --sensor-types zed
+  timestamp_copy_instructions: Scrub the sync_time_ns timeline in Rerun. Copy the
+    current integer-nanosecond timestamp at the desired start/end moments.
+  notes: ''
+timebase:
+  policy: native_anchor_overlap
+  sync_policy: AnchorStreamSyncPolicy
+  overlap: true
+  anchor_serial: '12540311'
+  anchor_stream_id: zed_12540311_left_rgb
+  timestamp_unit: ns
+  timestamp_reference: sync_time_ns
+  period_ns_estimate: 33437624
+  fps_estimate: 29.906431
+manual_annotation:
+  start_global_timestamp_ns: 1790047671937380044
+  end_global_timestamp_ns: 1790047683680120518
+  start_condition: hand_or_forearm_visible_and_in_contact_with_object
+  end_condition: before_release_or_contact_break
+  expected_visible_hands_or_arms: 2
+  object_description: grey timing belt
+  controller_description: 'hand_A = person''s right hand (bracelet); hand_B = person''s
+    left hand. Participating: hand_A+hand_B'
+  annotator_notes: Owner selected anchor12540311 converted frames 340-691 inclusive
+    on 2026-10-28. Masks remain unapproved.
+resolved_window:
+  start_sync_index: 339
+  end_sync_index_exclusive: 691
+  start_anchor_timestamp_ns: 1790047671937380044
+  end_anchor_timestamp_ns: 1790047683680120518
+  frame_count: 352
+  duration_s: 11.74274
+per_camera_resolution:
+  '12540311':
+    start_source_frame_index: 340
+    end_source_frame_index_exclusive: 692
+    start_source_timestamp_ns: 1790047671937380044
+    end_source_timestamp_ns: 1790047683680120518
+    start_delta_ns: 0
+    end_delta_ns: 0
+  '12933256':
+    start_source_frame_index: 339
+    end_source_frame_index_exclusive: 691
+    start_source_timestamp_ns: 1790047671923320011
+    end_source_timestamp_ns: 1790047683664586734
+    start_delta_ns: -14060033
+    end_delta_ns: -15533784
+  '17736741':
+    start_source_frame_index: 340
+    end_source_frame_index_exclusive: 692
+    start_source_timestamp_ns: 1790047671934508658
+    end_source_timestamp_ns: 1790047683678177636
+    start_delta_ns: -2871386
+    end_delta_ns: -1942882
+  '23007103':
+    start_source_frame_index: 339
+    end_source_frame_index_exclusive: 691
+    start_source_timestamp_ns: 1790047671927718587
+    end_source_timestamp_ns: 1790047683672542740
+    start_delta_ns: -9661457
+    end_delta_ns: -7577778
+validation:
+  within_all_camera_overlap: true
+  start_before_end: true
+  min_abs_camera_delta_ns: 0
+  max_abs_camera_delta_ns: 15533784
+  warnings: []
+created_by: manual
+created_at: '2026-10-28T14:39:48+00:00'
+updated_at: '2026-10-28T14:39:48+00:00'
+