{
  "type": "x402-observation",
  "version": 0,
  "id": "obs_2026-10-12_002519",
  "observer": {
    "id": "did:web:vet402.com#obs-key-2026-09",
    "address": "0x6232335B5264f7aa62a51f8ACc4676D22511Ff3C",
    "sequence": 2519
  },
  "issuedAt": 1791853557,
  "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": "5gKrgDZMsErt6y1wCSxNZDxfpNSfDUTNACEPwF1CehxseTUa99SYPcMNEYrtv2KgHJoxEtYFB1nafrF75DR94dJc",
    "payer": "9VaAPD1CPE4i8pquaRwE7LvZXMmvGdgffD4Q8xJgaQRu",
    "payTo": "6UNbfD8mgSqgFDxxwE29LfgKrBqrZBt4R4L4Resh4yct",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "decimals": 6,
    "assetSymbol": "USDC",
    "settledAt": null
  },
  "request": {
    "method": "GET",
    "url_hash": "0x6deee4518fad908df9f5a870cfef93938636ab86ff0a860f652dd6fecd0269f9",
    "params_hash": "0x1fa59d1ab8313106067b9ea989e9dba23c0b0ae47a403de94f700e9c3b860ae0",
    "params_salted": true,
    "ts": "2026-10-12T02:22:31.753Z"
  },
  "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-2026-10-12",
    "row": "rows[22]"
  },
  "contact": "https://vet402.com/",
  "anchor": {
    "status": "anchored",
    "day": "2026-10-12",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "tx": "4S7obk3xBPeDHosmsAofj4Ybwci4pgUypsmrXF5M3dqVpD1Ftrk3ee3uNa3mHPyjLcRyC9T2LsedKqUJUXpAq1tB",
    "root": "0x88c8455f5558f786bb1d588564b4fa99b721d075a12e0c9bcb724d791d5240fd",
    "leafIndex": 20,
    "proof": [
      "0x72684c99840489d5f3da24e23b04683ecd0dd6624267af6fdddf68a0cd8cb845",
      "0x958138356a87679e37058caf15b4b271aa1f41c0f3f387d7764b5c1a71e54c0e",
      "0x8b60c4c399c5c1e7c5c349d857f831c01b6b2c96a9cb9eb71b8be58c2ea43c4f",
      "0xf775fd630112f73bab5c3579863805965c7899f2785c46d9376f290616952e01",
      "0xc3c92ecc669277fe0f52d54b7bd13d9928672ce3443aea4ec908ed6d6abb0e52",
      "0x59700290c964ab1a6fdf8852dfd53b750cfe661379f2617af8b01269982abaae",
      "0x9656aa3bd0018b8b3080c5b174606b1e03924bcdbb1e9cf92fcb13cae7301b4a",
      "0x434c840d77719ad5019a7259dd1e0a4bf990ef1fd458923f2d7f01287cab1cee"
    ],
    "count": 201,
    "sequenceRange": [
      2499,
      2699
    ],
    "observerAddress": "0x6232335B5264f7aa62a51f8ACc4676D22511Ff3C",
    "anchoredAt": "2026-10-13T01:11:44.000Z"
  },
  "corrections": [],
  "signature": {
    "format": "eip712",
    "signature": "0xac149d28a6d5ec033b58509e35cb5660f7bc93c2da9bf024db6b7e750c2bccb24f06047bd11c1c79fd5571f49f4444d7264546d7f7f6eea582ecdf33ee35aff61b"
  }
}
