{"id": "c800", "title": "C800 — Localize the surface-spine residuals", "filename": "C800.md", "role": "Research action", "step": 800, "sha256": "b6089a0a978e8c64e86eed93c7324ab7c6d4d0825f482f8f1c362110727057a8", "bytes": 1106, "origins": ["C480–C1634/Research_Cycles/C0732_C0831/journal.json#C800"], "download": "/sources/b6089a0a978e8c64e86eed93c7324ab7c6d4d0825f482f8f1c362110727057a8.md", "format": "md", "derived": true, "tags": ["Inverse"], "excerpt": "Which adjacent intervals account for the complete displacement vector?", "content": "# C800 — Localize the surface-spine residuals\n\n## Question\n\nWhich adjacent intervals account for the complete displacement vector?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C799; File20 surface prose and dates\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:07:13.525015+00:00\n\n## Results\n\n```json\n{\n  \"reconstructed_gaps\": [\n    100,\n    60,\n    130\n  ],\n  \"surface_gaps\": [\n    111,\n    59,\n    125\n  ],\n  \"changes\": [\n    11,\n    -1,\n    -5\n  ],\n  \"source_tension\": \"prose says Isaac→Jacob60 became70, but displayed1987→2046 gives59\"\n}\n```\n\n## Finding\n\nThe changes+11,−1,−5 explain the residual field and total+5 exactly. The displayed59 is retained; the source’s60→70 prose is not silently harmonized.\n\n## Reassessment\n\nClose both paths at Conquest to test whole-path conservation.\n\n## Checks\n\n```json\n{\n  \"gaps\": true,\n  \"finite_difference\": true,\n  \"total\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:07:13.525514+00:00\n\n## Record provenance\n\nExact record hash: `a3957702d5e374fde0af8f9e472fa2c424b86d784e07f3808eaddec0ee1a058e`\n\nSource journal: `Research_Cycles/C0732_C0831/journal.json`", "journalDownload": "/sources/8ea2b882289fbcea5cf11177923617f0c1d1ad7e6eaa3bffb174c6f89699d97d.json", "evidenceLinks": [{"id": "d-c8822cb5bb81a7ac", "title": "File 20"}]}