{"id": "c1157", "title": "C1157 — Measure amplitude information retained by whole totals", "filename": "C1157.md", "role": "Research action", "step": 1157, "sha256": "044596605a98009e27b90f0027f31d47053eef83c227ca7cf7973de259eac925", "bytes": 1344, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1157"], "download": "/sources/044596605a98009e27b90f0027f31d47053eef83c227ca7cf7973de259eac925.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative"], "excerpt": "Which source parameters disappear when the ordered fields are summed?", "content": "# C1157 — Measure amplitude information retained by whole totals\n\n## Question\n\nWhich source parameters disappear when the ordered fields are summed?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"C1156\",\n  \"C1154\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:06:35.768282+00:00\n\n## Results\n\n```json\n{\n  \"total_measurements\": {\n    \"path\": \"model/postflood_total_measurements.json\",\n    \"sha256\": \"005cfbe0c33d8d6f5d03d6b178ed8e0afbed34a7a74e61b900ddbf64faf729c6\",\n    \"bytes\": 303\n  },\n  \"measurement_rows\": [\n    [\n      \"13/2\",\n      0,\n      0\n    ],\n    [\n      0,\n      -2,\n      0\n    ],\n    [\n      4,\n      0,\n      2\n    ]\n  ],\n  \"life_total_rank\": 2\n}\n```\n\n## Finding\n\nThe totals are6.5u,−2t and4u+2a. The two lifespan totals have rank2 and cannot separateu froma; LXX’s total also cancels its two opposite t contributions. Ordered rows preserve information absent from their sum.\n\n## Reassessment\n\nAsk whether combining regular and cumulative outer totals recovers the amplitudes under fixed source supports.\n\n## Checks\n\n```json\n{\n  \"source_totals\": true,\n  \"rank2\": true,\n  \"LXX_t_cancels\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:06:35.769395+00:00\n\n## Record provenance\n\nExact record hash: `6a10c0ed74a9fae805423668d389edb8f841662314c1a5634befa12a0db0d494`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-005cfbe0c33d8d6f", "title": "model/postflood_total_measurements.json"}]}