{
  "schema": "sync-closure-evidence-audit-v1",
  "reviewedAt": "2026-09-21T11:20:42.697307+00:00",
  "reports": {
    "research-2026-09-18-1080p60-native-avfoundation": {
      "files": {
        "index.html": "68a220972761c5b5ecdd13cf75b8a9320999edd94ccf5bcacfebdb674f1f355e",
        "source-identity.json": "adfd4d2c2816d137a84ec63678028781066cd857b6e2d3204ffa784a36ffdd4a",
        "measurements.json": "cc056a8544f2f40b80f3a0831536546d8d920fc655a882fb451f1630aa7454b2",
        "stage-timing.svg": "a324692b22109803d70c5b6440a8a51a8fa068d83e8a1b80ee2206702106504d",
        "findings.json": "04792ed2bdb0ec37507d8b73a742fa24623f85926c9eeb858b668b3215ce7647",
        "publication.json": "9e75f7d379ff985a55e55a9d4ecf064fb9420710ae1c6d0aeea5d91f7fce1aa2",
        "SHA256SUMS": "018464accfb74d3b487524eae3e60f0c295f0817f5b031e6a626bcbfa1d79991"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-18-sender-stage-separation": {
      "files": {
        "index.html": "d1d13a79b63b0187aad212c6c2924be565171e081039f9d4c1277dbdc708a249",
        "source-identity.json": "cedda2024f38c05f9e537e8ec65f3e14179be50674a73519304fef2c301e072f",
        "measurements.json": "35ff8442ecab75e15e68762a550ff54b0610c39779b053cf218ecd6e252ad8b8",
        "stage-timing.svg": "79cf850e1dd53ee5a447b3646500ca727660c51f2069c2e608fb49acdd485c29",
        "findings.json": "f1df5f223a5d6a4436a2ad7d210d181c9eedcc00b5f9d5b9072f558723079540",
        "publication.json": "4a54a3bddc441d12d610f310d674ddb9dfccfa87eeaa0f84c3044e5c6849267d",
        "SHA256SUMS": "89f03daf10e73d20b51febe1c8926f1ac23745dd2cad6fb0d5c625e0ef89659c"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-18-combined-audio-video": {
      "files": {
        "index.html": "fd98ac8bcc52b4547936074a3264a75162f360643d4d9646a97c87824167da05",
        "source-identity.json": "04d34270ba0667ca6ed74a84070bc28aaf0dd6a6e99e6210fd04bc4b7c43331c",
        "measurements.json": "84d0507403632d80afcfa6698a176ccfecb04f53fc500a00f044fe453dfb448e",
        "findings.json": "2c93bcd5bc308ffee4f76af1e2a96767320feb13f49ac815f7a653cd3bbfd1f5",
        "qualification-memory.svg": "cda8226464c6f1268f454b84e5bd23689d9c3484fcfa4bd9ec1c179a2a6ed341",
        "publication.json": "f6f4d32198ff609d7ccfe4c303c97ca225e4d1135e6deecad097da185f9357e8",
        "SHA256SUMS": "9b291dc8fa3731fe686e0753195bd0d19e04bd3044f02f9e33b03f18ff651b8e"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-18-windows-platform-parity": {
      "files": {
        "index.html": "b2f913f91d58a1e14c7f801f2f2839eace766a65ffcdb9d050800ff259c20afa",
        "findings.json": "24daed9ece798da9d2e0afd0d6e9da0789a869842236c9a73afa505fed394fb7",
        "architecture-pipeline.svg": "c05e3b3eaab73b8fd3363c6054333a9aeaf889251934bc24e21671bb48886d0a",
        "parity-matrix.json": "53e6a7653e0e322ba788a9eb7d260ea91e659429a5891314e3d53bc7e8bd96c1",
        "publication.json": "86a72dae8e03dba13c03ae10e46467be3ccaed5d6d8642191b448d56a5dbfccf",
        "SHA256SUMS": "945093fa002febe7cba73ed856693722e006e08dfe1d72777390df20cb13f746"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-19-audio-session-recovery": {
      "files": {
        "index.html": "32526466b9008d2f68582bfc006773f2447d09b82ff3c39d5d94bda71901d878",
        "source-identity.json": "b2891eb188cf797633170546941cc5a7f6dec5d758203c948582afd3794762ce",
        "measurements.json": "3441e41e349c4ebd09d0c9285c2412311abdbea007ece2582aa931dc0244a7ea",
        "findings.json": "ec04df8206c713d04f4f687b152a0717b1bc2a8f6afd93a3a8ed8ccf9e48c0f9",
        "publication.json": "e717620a4617ec0f80dec9280516bb896600a5b17339a7e5af3c124a484c0cee",
        "SHA256SUMS": "895f257e45bb0226a3253f50e87d6388c79842cf97e77f40f9bd186fff4bd7d2"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-19-windows-sustained-delivery": {
      "files": {
        "wasapi-capture.json": "5c809fe29b3aa019d1c5b1a4bf7fd16f2e0966283caf5a03f2fd9a8ae35ca09d",
        "index.html": "3939c8f7b6be2ab1f1e76bd5434e092e941e811f7d9bf37b7ea77568a241952a",
        "measurements.json": "9466aec9c964a4f44ac3747fd642f553b9ab9302c79c9e2699138231ca02feb2",
        "findings.json": "06233aba6482d6f0d1981fc25e69188c0d0350df4c356e8dca07ffce7f9937d0",
        "delivery-timeline.svg": "c31443107150adb8423929bf659092d0ae0d391c4279f100f48f701da3960834",
        "publication.json": "58e09f314705ed0e735a0ce2d98cb3e078bbfda676a2408db56da89871bca8cf",
        "SHA256SUMS": "1cb5b7ff3b6fb4706cf39f3204fcf099fd93bfe77f8d2dfcac4e85b2c3ded31c"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-20-web-native-frame-pacing": {
      "files": {
        "index.html": "24118341bd3184fc987b94ced0af5cfbf5e185bebc960d50b39a7cf688e8c762",
        "source-identity.json": "0015b759bc450f7b3078637d422ff27fd05da90cb50a97c79c5b533da8d13d5f",
        "measurements.json": "4e94faf16a01d4a70bc359126b1ea9a314f1ae0155f84f6dfe7e2efe7098d149",
        "stage-timing.svg": "e6649cff6e30c11902d2004b3a447dc700ed2b702390a5c0866c7b93e5a50fbf",
        "findings.json": "c1cc6c88353fc0cfb27ae4c61ba4c87ee517c3474b0f0e6b9240c71262d11cd3",
        "publication.json": "1f074a3b8b997160875ee65b0fc173c3a2c2129607d837221f41d574177510c0",
        "SHA256SUMS": "fe87955cb4062f5856e73e3429649eff2ff9024c1ccac0b8769301132f13975f"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-21-electron-desktop-native-bypass": {
      "files": {
        "index.html": "7624182371d41525e27eaa3c7e76ceb43a327e56b0f708e4a23fd521e0999a26",
        "source-identity.json": "3b012c7f84b63775f8b17eb620165acd79b6154626797cde912b627fbece0da3",
        "measurements.json": "40f2861a86cab7ef0d5ee142e1d981334047cf45116ecdc1459e59fda47be8cc",
        "stage-timing.svg": "a546ae173c89ce300c61662c860ee4b8c4a087f2d6de2b432c6a25b86bca6a59",
        "findings.json": "f884cf0a720c4a7ce03da40ad64c211abbe4690536a14172a24f13e6df34f13f",
        "publication.json": "8a14451cb665198c7ce1476feeef40d49daaf8177b0f19461a451611e956eb23",
        "SHA256SUMS": "dee916720bc42358dade2fe04de32ea693795bd3d90f7ef3ea614d0bdca6baf6"
      },
      "rawIdentityLedgerIncluded": false
    },
    "research-2026-09-21-discrete-multichannel-audio": {
      "files": {
        "index.html": "b62ee0c18f2170dc92dbd141c8b9615bd3a2362f4b64c4d1eb62dc813c4a55e3",
        "source-identity.json": "3142f50f99f01ac4a318358e6b5aee748f1f576df3b56f8e75d5c3ba37f6efd2",
        "measurements.json": "75676f364b46420f6d236f879c5b4675c94e23f1fdccfd4d89fbb35152881d3b",
        "findings.json": "8be34612cb7efd0e2ff003134371cefe07709c7f31c624bc21787fa46e197758",
        "publication.json": "3b6c651fffe5936ac35b9c9f3578bf684e24c0b599f1a0c6e851f40c2e6e751c",
        "SHA256SUMS": "827f49bac2938e85b58732ca24b4d6c211a42bb1a679d11e304012865f71699c"
      },
      "rawIdentityLedgerIncluded": false
    }
  },
  "arithmetic": {
    "nativeUniqueFps": 39.441183235497064,
    "nativeTargetFraction": 0.6573530539249511,
    "webCandidateDistinct": 35612,
    "webCandidateTargetSlots": 36000,
    "webCandidateTargetSlotsProvenance": "derived from 60 slots/s times 600 s, not an independently retained scheduling ledger",
    "webCandidateTargetFraction": 0.9892222222222222,
    "combinedVideoSubmissions": 107999,
    "combinedVideoAccepted": 107998,
    "combinedWindowSeconds": 1800
  },
  "authoritativeJitterEpsilon": null,
  "qualification": "not established",
  "sourceReceiptFailures": [
    "E2 Sync revision does not resolve in fetched Sync history",
    "E3 pins b94d82 before cec1449 optimizations",
    "E5 pins d8c6ed92 before 933b158 capture teardown",
    "E9 pins 288f06cf before e955b0ac pulse/tone/eager fixture",
    "E2 E3 E5 extensionSha256 has 32 hex characters, not 64",
    "E4 linked source-identity.json returns HTTP404"
  ],
  "comparisonLimits": [
    "E7 reuses E1 invalid-accounting baseline under a different configuration",
    "E8 reverseArm is candidate only, not a reverse baseline/candidate pair",
    "No bundle includes per-frame raw identity ledger or its hash"
  ]
}