{"id": "c951", "title": "C951 — First reassessment checkpoint", "filename": "C951.md", "role": "Research action", "step": 951, "sha256": "01d9e4cd49fb9945b626218b61477c94eb6552148f169262372786168ff6ad78", "bytes": 1061, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C951"], "download": "/sources/01d9e4cd49fb9945b626218b61477c94eb6552148f169262372786168ff6ad78.md", "format": "md", "derived": true, "tags": ["Cumulative"], "excerpt": "Which work now best advances the family-level explanation?", "content": "# C951 — First reassessment checkpoint\n\n## Question\n\nWhich work now best advances the family-level explanation?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C932–C950\",\n  \"File18 §3.1.3\"\n]\n```\n\n## Opened utc\n\n2026-09-28T03:44:22.042783+00:00\n\n## Results\n\n```json\n{\n  \"checkpoint\": {\n    \"path\": \"model/checkpoint_951.json\",\n    \"sha256\": \"7151a81a37e5ebfc0a444a62303d21b32394313ced7406e0b287e657f2987e08\",\n    \"bytes\": 545\n  },\n  \"numbered_actions_so_far\": 20\n}\n```\n\n## Finding\n\nThe junction now has a smaller explanatory basis. The best next move is a different whole-source family that can test rule transfer and recoverability.\n\n## Reassessment\n\nFreeze the nine SP birth rows and the lifespan-cap prediction before inspecting its rowwise residuals.\n\n## Checks\n\n```json\n{\n  \"twenty_actions\": true,\n  \"no_target_hunt\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T03:44:22.043049+00:00\n\n## Record provenance\n\nExact record hash: `86934545f73573fc1412e9ca334fd0140dfa6ae47ea6d6f80005118aaf4d5046`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json", "evidenceLinks": [{"id": "d-7151a81a37e5ebfc", "title": "model/checkpoint_951.json"}, {"id": "d-68301ab760bfbe2e", "title": "File 18"}]}