{"id": "c779", "title": "C779 — Build the Terah source triangle", "filename": "C779.md", "role": "Research action", "step": 779, "sha256": "795808b654e50777bcf340833c67a18c3f637437965f1a4120c461e406197156", "bytes": 1637, "origins": ["C480–C1634/Research_Cycles/C0732_C0831/journal.json#C779"], "download": "/sources/795808b654e50777bcf340833c67a18c3f637437965f1a4120c461e406197156.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative"], "excerpt": "Can the same regular+60 have distinct cumulative meanings?", "content": "# C779 — Build the Terah source triangle\n\n## Question\n\nCan the same regular+60 have distinct cumulative meanings?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"File18 §§3.2.2,6A,6C\"\n]\n```\n\n## Opened utc\n\n2026-09-28T02:01:25.817782+00:00\n\n## Results\n\n```json\n{\n  \"triangle\": {\n    \"path\": \"model/Terah_triangle.json\",\n    \"sha256\": \"f5792e3ef1a0018a7ea9e91582ec3697efb813685b26b6dd93d7c7a23d5c9a4a\",\n    \"bytes\": 450\n  },\n  \"states\": {\n    \"SP_textual\": {\n      \"b\": 70,\n      \"r\": 75,\n      \"L\": 145,\n      \"regular_head\": 2021,\n      \"regular_death\": 1876,\n      \"cumulative_head\": 2580\n    },\n    \"MT_LXX_baseline\": {\n      \"b\": 70,\n      \"r\": 135,\n      \"L\": 205,\n      \"regular_head\": 2021,\n      \"regular_death\": 1816,\n      \"cumulative_head\": 2640\n    },\n    \"common_alternative\": {\n      \"b\": 130,\n      \"r\": 75,\n      \"L\": 205,\n      \"regular_head\": 2081,\n      \"regular_death\": 1876,\n      \"cumulative_head\": 2640\n    }\n  },\n  \"status\": \"SP textual145 and MT/LXX205 literal; SP common130/205 biography is a compatible derived construction, not official cumulative replacement\"\n}\n```\n\n## Finding\n\nSP textual, MT/LXX baseline, and the common alternative form one row triangle. Their regular and cumulative projections distinguish which component changed.\n\n## Reassessment\n\nTest path independence around the triangle in both projections.\n\n## Checks\n\n```json\n{\n  \"lifespans\": true,\n  \"heads\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T02:01:25.818320+00:00\n\n## Record provenance\n\nExact record hash: `5c17b85b18a62cd3e639f3ccfbd554d754e88724864f1ccadbc5998f1bd47703`\n\nSource journal: `Research_Cycles/C0732_C0831/journal.json`", "journalDownload": "/sources/8ea2b882289fbcea5cf11177923617f0c1d1ad7e6eaa3bffb174c6f89699d97d.json", "evidenceLinks": [{"id": "d-f5792e3ef1a0018a", "title": "model/Terah_triangle.json"}, {"id": "d-68301ab760bfbe2e", "title": "File 18"}]}