{"id": "c1223", "title": "C1223 — Bind the source nodes of the SP equal-gain rectangle", "filename": "C1223.md", "role": "Research action", "step": 1223, "sha256": "a3ed877beb7075118fe494df80fb5c24eb5a491aacd21f9253d6328a83747f40", "bytes": 1208, "origins": ["C480–C1634/Research_Cycles/C1132_C1431_Recovered/journal.json#C1223"], "download": "/sources/a3ed877beb7075118fe494df80fb5c24eb5a491aacd21f9253d6328a83747f40.md", "format": "md", "derived": true, "tags": ["Regular", "Cumulative"], "excerpt": "Which node classes and placements must remain distinct before the row mechanisms are substituted?", "content": "# C1223 — Bind the source nodes of the SP equal-gain rectangle\n\n## Question\n\nWhich node classes and placements must remain distinct before the row mechanisms are substituted?\n\n## Inputs\n\n```json\n{}\n```\n\n## Sources\n\n```json\n[\n  \"Strategy §4.3\",\n  \"File18 §§3.1,6C.1\",\n  \"File22\",\n  \"prep/family_synthesis_candidates.json\"\n]\n```\n\n## Opened utc\n\n2026-09-28T05:32:29.012764+00:00\n\n## Results\n\n```json\n{\n  \"source_nodes\": {\n    \"path\": \"model/SP_rectangle_source_nodes.json\",\n    \"sha256\": \"73d96eaab3a4be396ee556bf510367945b9a26048dc881a7653e8d321fd91c23\",\n    \"bytes\": 1113\n  }\n}\n```\n\n## Finding\n\nThe rectangle uses the Regular week opening4206 and Cumulative decade opening13406. Their underlying4199 and13396 endpoints have different wrappers; these supplied source roles must remain visible.\n\n## Reassessment\n\nGenerate the Regular head from the located source begetting changes and declared frame shift.\n\n## Checks\n\n```json\n{\n  \"five_bindings\": true,\n  \"wrappers\": true\n}\n```\n\n## Closed utc\n\n2026-09-28T05:33:40.687282+00:00\n\n## Record provenance\n\nExact record hash: `4ec3f8cfe1272f897337b2abe6c3f0965d00d945de509426dfc0daa2db1ecc68`\n\nSource journal: `Research_Cycles/C1132_C1431_Recovered/journal.json`", "journalDownload": "/sources/6adb632ce171623c2bce60d7ed58ae319ccb379cf76b751c0a477c1742fd348c.json", "evidenceLinks": [{"id": "d-73d96eaab3a4be39", "title": "model/SP_rectangle_source_nodes.json"}, {"id": "d-f75f64fd7277457b", "title": "prep/family_synthesis_candidates.json"}, {"id": "d-68301ab760bfbe2e", "title": "File 18"}, {"id": "d-1c77fd504afbf59b", "title": "File 22"}]}