{
  "type": "x402-observation",
  "version": 0,
  "id": "obs_2026-10-07_001727",
  "observer": {
    "id": "did:web:vet402.com#obs-key-2026-09",
    "address": "0x6232335B5264f7aa62a51f8ACc4676D22511Ff3C",
    "sequence": 1727
  },
  "issuedAt": 1791421567,
  "verdict": {
    "code": "DELIVERED",
    "reason": "Payment settled; HTTP 200, non-empty body.",
    "recheck": null,
    "checks": {
      "paymentSettled": true,
      "httpStatus": 200,
      "bodyNonEmpty": true,
      "declaredFormatMatched": null,
      "sellerReceiptValid": null,
      "responseHashMatchesSeller": null
    }
  },
  "resourceUrl": "https://changelog-state-api.replit.app/api/monitors/chainlink/changes",
  "payment": {
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "scheme": "x402-exact",
    "transaction": "4N4fH2FUSv3bv3K45xaXtCrUVnboTCqUoF986R9PYszsyvNJdQjtgqxrKafuTUSeKRp5if22vt7LYz5CFLusxy1t",
    "payer": "9VaAPD1CPE4i8pquaRwE7LvZXMmvGdgffD4Q8xJgaQRu",
    "payTo": "6UNbfD8mgSqgFDxxwE29LfgKrBqrZBt4R4L4Resh4yct",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "decimals": 6,
    "assetSymbol": "USDC",
    "settledAt": null
  },
  "request": {
    "method": "GET",
    "url_hash": "0x6deee4518fad908df9f5a870cfef93938636ab86ff0a860f652dd6fecd0269f9",
    "params_hash": "0x5cee755fe9168fd767452714e7a79a422e3bc6121a32dfdf6a53a928c9bb4ba3",
    "params_salted": true,
    "ts": "2026-10-07T02:24:53.277Z"
  },
  "response": {
    "status": 200,
    "responseHash": null,
    "responseHashAlg": null,
    "responseHashEncoding": null,
    "responseHashNote": "hash not recorded (the daily remeasure run does not hash the response)",
    "contentType": null,
    "bytes": null,
    "receivedAt": null,
    "latencyMs": null
  },
  "offer": null,
  "sellerReceipt": null,
  "scope": {
    "proves": [
      "observer-signed-at-time",
      "payment-on-chain",
      "response-status-at-time",
      "existed-by-anchor-time"
    ],
    "doesNotProve": [
      "content-correctness",
      "seller-trustworthiness",
      "seller-availability-now",
      "refund-entitlement"
    ],
    "vantage": "Seen from vet402's network only.",
    "text": "Proves vet402 paid and what HTTP status came back at this time. Does not prove the content is correct."
  },
  "notRecorded": [
    "request.ts: the time recorded is when the spend was reserved, just before the paid request",
    "response.contentType",
    "response.bytes",
    "response.receivedAt",
    "response.latencyMs",
    "payment.settledAt",
    "declared output format (not checked in this run)",
    "response.responseHash: hash not recorded (the daily remeasure run does not hash the response)"
  ],
  "source": {
    "dataset": "remeasure-solana-2026-10-07",
    "row": "rows[22]"
  },
  "contact": "https://vet402.com/",
  "anchor": {
    "status": "anchored",
    "day": "2026-10-07",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "tx": "5PShzuRcxYE6oVLBPYjQaC9jTqro9YFNPq38LpEj2nuYN8cqBE7mD7nwekeGDb2P58X5nvA7pvCDXkBGHMtAoq3r",
    "root": "0x99b7cfa560395314617035d28622a9857c688389d33be74a8bfe3a9029043b03",
    "leafIndex": 19,
    "proof": [
      "0x982314a15fd16eb870afd617e6294b01815602470ab8dd9a37c9ccf66cc97752",
      "0x9207084aa2085a138c9ba704e9249e8b09b66c0c481f627c62c452dcc65122a4",
      "0xc180f361e11b8895803177c4fef4be33c652f5de01a827991b42a787cb981bff",
      "0xa4825647d180fb9147b5333e0f41465c89c14d8b718601820fb033d0913fcaf0",
      "0xf281741f0c66c04a6e621a4fe4d2eb51776e5eb84b7fba35c5e0e6813ab4ba99",
      "0xf9e0c929d2c1a62a8b181474bee69e6802fb20f546d310c7a64f0457e72aa320",
      "0x60d860ae5928655429472e607f1b50747398d3c8cfb3c375c288aa383aca2352",
      "0x364385e653f430d4121497883fb74d9676b7cc65753eb8926d823510796656d5"
    ],
    "count": 198,
    "sequenceRange": [
      1708,
      1905
    ],
    "observerAddress": "0x6232335B5264f7aa62a51f8ACc4676D22511Ff3C",
    "anchoredAt": "2026-10-08T01:16:27.000Z"
  },
  "corrections": [],
  "signature": {
    "format": "eip712",
    "signature": "0x963b18f2b498a1c054f4ca7464d96b5c10785038d2056aecaa524722e1cdbcac519b58c337f4e6fdfd8647139134a0aa225304cf6d2cec57a16faa555f3387f21b"
  }
}
