{"id": "c799", "title": "C799 — Reconstruct the biological and surface BJ paths", "filename": "C799.md", "role": "Research action", "step": 799, "sha256": "c79b2defed660063d212ecc5572adaaa299d0730063104ff3103788aaaca9995", "bytes": 1173, "origins": ["C480–C1634/Research_Cycles/C0732_C0831/journal.json#C799"], "download": "/sources/c79b2defed660063d212ecc5572adaaa299d0730063104ff3103788aaaca9995.md", "format": "md", "derived": true, "tags": ["Inverse"], "excerpt": "How do all four shared narrative nodes differ?", "content": "# C799 — Reconstruct the biological and surface BJ paths\n\n## Question\n\nHow do all four shared narrative nodes differ?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"File20 §§7A2.1–5; File53 §13A\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:07:00.835821+00:00\n\n## Results\n\n```json\n{\n  \"spines\": {\n    \"path\": \"model/BJ_spine_residuals.json\",\n    \"sha256\": \"3afb0e8a2b482a76fb4206b73d2cd79fce958a881f4827dfd7a4e428b985d385\",\n    \"bytes\": 409\n  },\n  \"offsets\": [\n    0,\n    11,\n    10,\n    5\n  ],\n  \"reconstructed_BC\": [\n    1981,\n    1881,\n    1821,\n    1691\n  ],\n  \"surface_BC\": [\n    1981,\n    1870,\n    1811,\n    1686\n  ]\n}\n```\n\n## Finding\n\nThe whole supplied path differs by0|11|10|5 AM years. A single translation or scale cannot explain it; local interval changes are required.\n\n## Reassessment\n\nRecover those changes by finite differences and retain the source tension.\n\n## Checks\n\n```json\n{\n  \"ordinal_conversion\": true,\n  \"offsets\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:07:00.836700+00:00\n\n## Record provenance\n\nExact record hash: `33a5649d5d910ba17e104c14bb25c430a309caf7bb828f74c0a9d150142e86a4`\n\nSource journal: `Research_Cycles/C0732_C0831/journal.json`", "journalDownload": "/sources/8ea2b882289fbcea5cf11177923617f0c1d1ad7e6eaa3bffb174c6f89699d97d.json", "evidenceLinks": [{"id": "d-3afb0e8a2b482a76", "title": "model/BJ_spine_residuals.json"}, {"id": "d-c8822cb5bb81a7ac", "title": "File 20"}, {"id": "d-9f0e41022cab59a4", "title": "File 53"}]}