{
  "schemaVersion": "quant-atlas-r2-cloud-readback-proof-v1",
  "generatedAt": "2026-08-06T16:04:21Z",
  "bucket": "hunter-quant-minute-lake",
  "private": true,
  "objectKey": "raw/a-share/sse-szse/yearly/2000_1min.zip",
  "bytes": 182816955,
  "localSourceSha256": "c095b9fa291ba7241f8e0ae1f71b476eda525c24221f3a7899ede0eb57acd6fa",
  "cloudReadbackSha256": "c095b9fa291ba7241f8e0ae1f71b476eda525c24221f3a7899ede0eb57acd6fa",
  "sha256Match": true,
  "zipIntegrity": "PASS",
  "analysisReadFromCloudCopy": {
    "archiveMembers": 877,
    "symbols": 877,
    "rows": 27973111,
    "firstDate": "20000609",
    "lastDate": "20001229",
    "tradingDates": 141,
    "nonPositiveOrInvalidRows": 0
  },
  "conclusion": "A completed R2 object can be authenticated, fully downloaded, hash-verified, decompressed and read by the research pipeline.",
  "deletionReady": false,
  "deletionBlocker": "The final rescan and all-object verification are still running; local source folders must remain in place.",
  "realOrders": 0
}
