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      "superiority": {
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  "artifacts": [
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    {
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      "filename": "stateful-preflight-codex-to-claude-v3.json",
      "evidenceClass": "executable-smoke",
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      "present": true,
      "valid": true,
      "reportHashValid": true,
      "reportHash": "962660eeab856545842f1d55d7275a5e0259ffea74a51838258282207cc69228",
      "schemaVersion": "ucr.live-multimodel-handoff/1",
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      "sourceTreeHash": "bfac3532ebfefc9d5159b146d666d37fb17fbc1fc30b45b10b589f279e88f5c4",
      "ledgerHash": "96fb850199d15ac70aebd837075b1fdae61214b3c88b293681679be8c558e999",
      "ledgerVerification": {
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      "keyResolutionError": null
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    {
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      "filename": "stateful-preflight-claude-to-copilot-v1.json",
      "evidenceClass": "executable-smoke",
      "requiredPass": false,
      "present": true,
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      "reportHashValid": true,
      "reportHash": "787c0493625a097dbf1d353b781c0a97bb6846ba6d799795e0c2bf4f1b5139a3",
      "schemaVersion": "ucr.live-multimodel-handoff/1",
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      "executedAt": "2026-08-10T02:14:09.434Z",
      "sourceTreeHash": "9361d24561616599b123af79f622b421e8690be06be7dbd83899ea2e713a26f3",
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    {
      "name": "effectiveness-pilot-negative",
      "filename": "handoff-effectiveness-pilot-v1.json",
      "evidenceClass": "executable-smoke",
      "requiredPass": false,
      "present": true,
      "valid": true,
      "reportHashValid": true,
      "reportHash": "0eb1e55e8abfc443245fedb6cea36feaf7ca296906fdef3e35f4bb27523ed6e7",
      "schemaVersion": "ucr.handoff-effectiveness/1",
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      "executedAt": "2026-08-09T23:39:26.033Z",
      "sourceTreeHash": null,
      "ledgerHash": "ceac3e14739ed4b580f725befd832b9b3bce66718f451a1096cbcf7f6db77711",
      "ledgerVerification": {
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        "diagnostics": [],
        "validSignature": true,
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      "keyResolutionError": null
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    {
      "name": "full-study-blocked-codex-to-gemini-v4",
      "filename": "full-study-blocked-codex-to-gemini-v4.json",
      "evidenceClass": "blocked-smoke",
      "requiredPass": false,
      "present": true,
      "valid": true,
      "reportHashValid": true,
      "reportHash": "a4c828e1fd8995a06ab953b3abe3da8ece2db279f6efb7800f0daa2ae55cb323",
      "schemaVersion": "ucr.full-study/1",
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      "executedAt": "2026-08-10T19:02:57.070Z",
      "sourceTreeHash": null,
      "ledgerHash": "e1b9795d36ae9a41c50f6ebc43910e72f0113c798bf69e6aa489bf57eb1591a6",
      "ledgerVerification": {
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        "diagnostics": [],
        "validSignature": true,
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    {
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      "filename": "full-study-qualification-claude-to-codex-v10.json",
      "evidenceClass": "executable-smoke",
      "requiredPass": false,
      "present": true,
      "valid": true,
      "reportHashValid": true,
      "reportHash": "6138feb2a4b82d9ff3c2fa66760aef597cd1c7c88f5d785c3fb133e4e9fba4ec",
      "schemaVersion": "ucr.full-study/1",
      "passed": false,
      "executedAt": "2026-08-10T19:00:07.732Z",
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      "ledgerVerification": {
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        "validSignature": true,
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    {
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    "artifactsTotal": 16,
    "liveDirectionsPassed": 2,
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    "liveDirectionMetrics": [
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    "registeredClientProcesses": 16,
    "graphEvents": 1000000,
    "coordinationWorkers": 100,
    "productionFaults": 6,
    "cognitiveSchemaTokens": 480,
    "cognitiveReductionVsFull": 0.9840663900414938,
    "studyDesign": {
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      "mappedMetrics": 37,
      "representativeStudyClients": 3,
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      "coverage": {
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        "familyCount": 11,
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        "clients": 3,
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    "evidenceClass": "conformance",
    "run": {
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      "evidenceClass": "conformance",
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      "startedAt": "2026-08-10T19:16:42.141Z",
      "runHash": "0fb977ac06c211683c3f9d7ba761a572d9223f7eb112bfd620006433a4f59f04"
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