{"id": "c1187", "title": "C1187 — Restore native LXX insertion after matched-row comparison", "filename": "C1187.md", "role": "Research action", "step": 1187, "sha256": "c8a6b7889d14534bfdf22ff8affd57d1d4ab98c959c1078fcb41c5b5efe92943", "bytes": 1198, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1187"], "download": "/sources/c8a6b7889d14534bfdf22ff8affd57d1d4ab98c959c1078fcb41c5b5efe92943.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative"], "excerpt": "What does Cainan add that no common-row coefficient can supply?", "content": "# C1187 — Restore native LXX insertion after matched-row comparison\n\n## Question\n\nWhat does Cainan add that no common-row coefficient can supply?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1182\",\n  \"C1168\",\n  \"model/complete_source_row_packet.json\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:22:25.961337+00:00\n\n## Results\n\n```json\n{\n  \"native_insertion\": {\n    \"path\": \"model/whole_genealogy_native_insertion.json\",\n    \"sha256\": \"47ae760f92ed9eb575696dfb014115d80ff1215ca9b548fe188be5faaec1b50c\",\n    \"bytes\": 658\n  },\n  \"native_heads\": [\n    1380,\n    890\n  ]\n}\n```\n\n## Finding\n\nNative Cainan adds130 to the Regular and460 to the Cumulative head difference, producing1380 and890. Its numbers match Shelah, but its existence and ordered position are separate source information.\n\n## Reassessment\n\nFind a whole-field observation that distinguishes an insertion from a redistributed total.\n\n## Checks\n\n```json\n{\n  \"native_heads\": true,\n  \"same_numbers\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:22:25.961782+00:00\n\n## Record provenance\n\nExact record hash: `8e4b8d6f3d87022f072f4ec768562899ae371e1d0e5c0fdc272d834243632023`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-47ae760f92ed9eb5", "title": "model/whole_genealogy_native_insertion.json"}, {"id": "d-1bd5961126532673", "title": "model/complete_source_row_packet.json"}]}