{"id": "c1586", "title": "C1586 — Recover the rounded post-Flood lifespan suffix", "filename": "C1586.md", "role": "Research action", "step": 1586, "sha256": "16140e87ae0076f7e0faf99576bbe7e010bb7394e08c55ce1ef533b1f4495c62", "bytes": 2416, "origins": ["C480–C1634/Research_Cycles/C1585_C1634/journal.json#C1586"], "download": "/sources/16140e87ae0076f7e0faf99576bbe7e010bb7394e08c55ce1ef533b1f4495c62.md", "format": "md", "derived": true, "tags": ["Cumulative", "Rounded"], "excerpt": "What do the controlled Arphaxad-through-Terah lifespan rows contribute before the shared Abraham–Moses suffix?", "content": "# C1586 — Recover the rounded post-Flood lifespan suffix\n\n## Question\n\nWhat do the controlled Arphaxad-through-Terah lifespan rows contribute before the shared Abraham–Moses suffix?\n\n## Sources\n\n```json\n[\n  \"postflood_rows_inherited.json\",\n  \"File18 §§2.2,3.2.1,4.2\",\n  \"File51a §16.2\"\n]\n```\n\n## Opened utc\n\n2026-09-29T14:52:55.288287+00:00\n\n## Results\n\n```json\n{\n  \"MT\": {\n    \"names\": [\n      \"Arphaxad\",\n      \"2nd Cainan\",\n      \"Shelah\",\n      \"Eber\",\n      \"Peleg\",\n      \"Reu\",\n      \"Serug\",\n      \"Nahor\",\n      \"Terah\"\n    ],\n    \"actual\": [\n      438,\n      0,\n      433,\n      464,\n      239,\n      239,\n      230,\n      148,\n      205\n    ],\n    \"rounded\": [\n      440,\n      0,\n      435,\n      465,\n      240,\n      240,\n      230,\n      150,\n      205\n    ]\n  },\n  \"LXX\": {\n    \"names\": [\n      \"Arphaxad\",\n      \"2nd Cainan\",\n      \"Shelah\",\n      \"Eber\",\n      \"Peleg\",\n      \"Reu\",\n      \"Serug\",\n      \"Nahor\",\n      \"Terah\"\n    ],\n    \"actual\": [\n      465,\n      460,\n      460,\n      504,\n      339,\n      339,\n      330,\n      208,\n      205\n    ],\n    \"rounded\": [\n      465,\n      460,\n      460,\n      505,\n      340,\n      340,\n      330,\n      210,\n      205\n    ]\n  },\n  \"SP\": {\n    \"names\": [\n      \"Arphaxad\",\n      \"2nd Cainan\",\n      \"Shelah\",\n      \"Eber\",\n      \"Peleg\",\n      \"Reu\",\n      \"Serug\",\n      \"Nahor\",\n      \"Terah\"\n    ],\n    \"actual\": [\n      438,\n      0,\n      433,\n      404,\n      239,\n      239,\n      230,\n      148,\n      145\n    ],\n    \"rounded\": [\n      440,\n      0,\n      435,\n      405,\n      240,\n      240,\n      230,\n      150,\n      145\n    ]\n  },\n  \"totals\": {\n    \"MT\": 2405,\n    \"LXX\": 3315,\n    \"SP\": 2285\n  },\n  \"shared_downstream\": 1025,\n  \"rejected_precheck_assumption\": \"The shared downstream suffix was provisionally guessed as1000; row reconstruction and Abraham2431 require1025.\"\n}\n```\n\n## Finding\n\nThe rounded suffix totals are MT2405, LXX3315 and SP2285. Adding the source-controlled1025-year Abraham–Moses suffix produces3430,4340 and3310; the provisional1000 suffix was rejected.\n\n## Reassessment\n\nDecompose the LXX increment row by row; do not infer it from the endpoint910 alone.\n\n## Checks\n\n```json\n{}\n```\n\n## Closed utc\n\n2026-09-29T14:53:34.804481+00:00\n\n## Record provenance\n\nExact record hash: `7f31769e9f50ff5e0a3b2795de6cfca1cb63213edd71a61960c2e6367b53a508`\n\nSource journal: `Research_Cycles/C1585_C1634/journal.json`", "journalDownload": "/sources/f14c0a7c2850e48750a0ea1779544db0428e79b64c4d6ae43137b5c361478239.json", "evidenceLinks": [{"id": "d-a0ff44bb5f3bc771", "title": "postflood_rows_inherited.json"}, {"id": "d-68301ab760bfbe2e", "title": "File 18"}, {"id": "d-d8aa38afb2a2df8f", "title": "File 51a"}]}