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    "algorithm": "sha256",
    "leaf_prefix": "0x00",
    "node_prefix": "0x01",
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  "publication_id": "OT-2026-000000557",
  "schema": "opentechnical-merkle-inclusion-proof/1.0",
  "timestamp": {
    "asserted_time_utc": "2026-09-15T19:07:03Z",
    "authority": "timestamp.digicert.com",
    "token": "/integrity/batches/OT-TS-2026-W38-001.tsr",
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}