{"id": "c1054", "title": "C1054 — Jacob-to-Isaac join recovers the147 condition", "filename": "C1054.md", "role": "Research action", "step": 1054, "sha256": "290b963f3eaa14dd2a3a15ed42689f8600e9bffc872447868e77bfb6c7a37808", "bytes": 977, "origins": ["C480–C1634/Research_Cycles/C0932_C1131/journal.json#C1054"], "download": "/sources/290b963f3eaa14dd2a3a15ed42689f8600e9bffc872447868e77bfb6c7a37808.md", "format": "md", "derived": true, "tags": ["Covenant"], "excerpt": "What extra source equation does the next translated join impose?", "content": "# C1054 — Jacob-to-Isaac join recovers the147 condition\n\n## Question\n\nWhat extra source equation does the next translated join impose?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1035\",\n  \"C1053\",\n  \"File61 §8.2\"\n]\n```\n\n## Opened utc\n\n2026-09-28T04:07:20.070860+00:00\n\n## Results\n\n```json\n{\n  \"join_residual_equals\": \"−A1\",\n  \"source_residual\": 0,\n  \"translated_Jacob\": 2066\n}\n```\n\n## Finding\n\nThe Jacob-to-Isaac join adds exactly the earlier Isaac-to-Levi147 condition. It connects the two families through a shared source relation, not a new unrelated endpoint law.\n\n## Reassessment\n\nCheck anchor cancellation across the entire translated root.\n\n## Checks\n\n```json\n{\n  \"symbolic_identity\": true,\n  \"source_join\": true,\n  \"landing\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T04:07:20.075491+00:00\n\n## Record provenance\n\nExact record hash: `89a21615b28d21bf632bf23cdf3198b7b35bd8d6d98c5bcdb2b6d5149ba6f143`\n\nSource journal: `Research_Cycles/C0932_C1131/journal.json`", "journalDownload": "/sources/f6bdc7aaaaa4fd40f1151b367204ddee7f0f9b77a9c43ae8764831b52d862670.json", "evidenceLinks": [{"id": "d-d580afd48d6e12d6", "title": "File 61"}]}