{"id": "c1440", "title": "C1440 — Reconstruct SP residual at component level", "filename": "C1440.md", "role": "Research action", "step": 1440, "sha256": "40b08347b77d2dbc7626160ed6ed4bfae4bcda2dea4b547d5b82bf11902ebafa", "bytes": 968, "origins": ["C480–C1634/Research_Cycles/C1433_C1482/journal.json#C1440"], "download": "/sources/40b08347b77d2dbc7626160ed6ed4bfae4bcda2dea4b547d5b82bf11902ebafa.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative"], "excerpt": "What causes the accepted SP cumulative head to fall190 years later than its regular head?", "content": "# C1440 — Reconstruct SP residual at component level\n\n## Question\n\nWhat causes the accepted SP cumulative head to fall190 years later than its regular head?\n\n## Sources\n\n```json\n[\n  \"Comparative Study §7\"\n]\n```\n\n## Opened utc\n\n2026-09-29T01:13:03.457296+00:00\n\n## Results\n\n```json\n{\n  \"source_mode_gap\": 8990,\n  \"reversed_component_differences\": [\n    -5770,\n    5580\n  ],\n  \"head_gap\": -190,\n  \"gain_regular\": 7200,\n  \"gain_cumulative\": -1980\n}\n```\n\n## Finding\n\nSP cumulative/regular mode changes−5770 and+5580 leave−190, under the same accepted Fall convention in both modes.\n\n## Reassessment\n\nExplain why these changes lie in different decimal registers before testing new partitions.\n\n## Checks\n\n```json\n{\n  \"residual_minus190\": true\n}\n```\n\n## Closed utc\n\n2026-09-29T01:13:03.457505+00:00\n\n## Record provenance\n\nExact record hash: `17cb6d26ca472ad5120e83d9c04946f0269e6bd8c5dae4f07de59b69491538f9`\n\nSource journal: `Research_Cycles/C1433_C1482/journal.json`", "journalDownload": "/sources/ca542c4d870fa9b9292d3dd24718f08766a5353e1b27cbb1e7c0d69061b00ecf.json"}