{"id": "c517", "title": "C517 — A genuine junction with the restored Cainan companion", "filename": "C517.md", "role": "Research action", "step": 517, "sha256": "736ba9aa8284dd305d8986f247ed3c0668173500d106c3f2b7600e05c17d4e0b", "bytes": 1437, "origins": ["C480–C1634/Research_Cycles/C0482_C0531/journal.json#C517"], "download": "/sources/736ba9aa8284dd305d8986f247ed3c0668173500d106c3f2b7600e05c17d4e0b.md", "format": "md", "derived": true, "tags": ["Regular", "Rounded"], "excerpt": "What extra constraint links the transformed trio to the separately supplied Cainan row?", "content": "# C517 — A genuine junction with the restored Cainan companion\n\n## Question\n\nWhat extra constraint links the transformed trio to the separately supplied Cainan row?\n\n## Inputs\n\n```json\n{\n  \"Cainan_birth\": 2551,\n  \"Cainan_begetting\": 2421,\n  \"Cainan_death\": 2091,\n  \"generated_Mahalalel\": 601,\n  \"reflected_generated_Shelah_AD\": 1351\n}\n```\n\n## Sources\n\n```json\n[\n  \"File52c §3.12; companion outside frozen MT manifest\"\n]\n```\n\n## Opened utc\n\n2026-09-27T22:49:30.041114+00:00\n\n## Results\n\n```json\n{\n  \"rounded_q\": [\n    -2550,\n    -600,\n    1350\n  ],\n  \"adjacent_widths\": [\n    1950,\n    1950\n  ],\n  \"linear_constraint\": \"2551=2*601+1351−2\",\n  \"Cainan_row_parts\": [\n    130,\n    330\n  ],\n  \"civil_second_width\": 1951\n}\n```\n\n## Finding\n\nThe separately supplied Cainan birth lies1950 before generated601, which lies1950 before reflectedAD1351 in rounded coordinates. This adds an actual placement constraint beyond the trio’s affine ratio preservation. The companion remains a local comparison, not a re-dating of the frozen MT chain.\n\n## Reassessment\n\nRelate the330 remainder to both the cross-mode Cainan bridge and the trio’s width.\n\n## Checks\n\n```json\n{\n  \"midpoint\": true,\n  \"widths\": true,\n  \"row\": true\n}\n```\n\n## Closed utc\n\n2026-09-27T22:49:30.041367+00:00\n\n## Record provenance\n\nExact record hash: `0aac0d5359a988bf6b98ea4c34c2cef80efb750df1c267cd0803abe5d339a944`\n\nSource journal: `Research_Cycles/C0482_C0531/journal.json`", "journalDownload": "/sources/6eaeccad4734eff2f6ac20ba847967877b944f9758c53c712ac8b5be2ddf61eb.json", "evidenceLinks": [{"id": "file52c", "title": "File 52c"}]}