{"id": "c1438", "title": "C1438 — Reconstruct MT convergence at component level", "filename": "C1438.md", "role": "Research action", "step": 1438, "sha256": "cfad5507dbd9c747ad99552de5eb06544e3883150e6ca1974296c8b29c099a91", "bytes": 936, "origins": ["C480–C1634/Research_Cycles/C1433_C1482/journal.json#C1438"], "download": "/sources/cfad5507dbd9c747ad99552de5eb06544e3883150e6ca1974296c8b29c099a91.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative"], "excerpt": "What compensates when MT switches from Regular to Cumulative source measurement?", "content": "# C1438 — Reconstruct MT convergence at component level\n\n## Question\n\nWhat compensates when MT switches from Regular to Cumulative source measurement?\n\n## Sources\n\n```json\n[\n  \"File52c §3.3–3.4\"\n]\n```\n\n## Opened utc\n\n2026-09-29T01:13:03.455583+00:00\n\n## Results\n\n```json\n{\n  \"source_mode_gap\": 9900,\n  \"reversed_component_differences\": [\n    -1580,\n    1580\n  ],\n  \"head_gap\": 0,\n  \"gain_regular\": 7920,\n  \"gain_cumulative\": -1980\n}\n```\n\n## Finding\n\nMT switches between source measurements differing9900, but its reversed component changes−1580 and+1580 cancel.\n\n## Reassessment\n\nTest whether the LXX divergence has the same local compensation structure.\n\n## Checks\n\n```json\n{\n  \"exact_compensation\": true\n}\n```\n\n## Closed utc\n\n2026-09-29T01:13:03.455789+00:00\n\n## Record provenance\n\nExact record hash: `8220a0317f23789687cf14ad36dfda0d979f3e7f888cacc8e45ea27d9eeebb11`\n\nSource journal: `Research_Cycles/C1433_C1482/journal.json`", "journalDownload": "/sources/ca542c4d870fa9b9292d3dd24718f08766a5353e1b27cbb1e7c0d69061b00ecf.json", "evidenceLinks": [{"id": "file52c", "title": "File 52c"}]}