{
  "type": "x402-observation",
  "version": 0,
  "id": "obs_2026-10-12_002619",
  "observer": {
    "id": "did:web:vet402.com#obs-key-2026-09",
    "address": "0x6232335B5264f7aa62a51f8ACc4676D22511Ff3C",
    "sequence": 2619
  },
  "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://api.biotechcatalystsentinel.com/v1/catalysts/upcoming",
  "payment": {
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "scheme": "x402-exact",
    "transaction": "4zVETHLr98GkSYHytyD3tgYAhhvbhVhTjmDD1EkQxC9YhwdgntxfyirqPwJE182DZCDYtdexb9KcvQVuZacoJoNb",
    "payer": "9VaAPD1CPE4i8pquaRwE7LvZXMmvGdgffD4Q8xJgaQRu",
    "payTo": "3gM4YDDPAi7w1di7rHAAaHc5T1tR7NRXzLWzPPN4ZRaM",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "20000",
    "decimals": 6,
    "assetSymbol": "USDC",
    "settledAt": null
  },
  "request": {
    "method": "GET",
    "url_hash": "0x8b096532b847e24cad361a5493f89c099a7714ad691d9a74914719a7fa4d5a9b",
    "params_hash": "0x22e620db5d39cc84e45f61b97cbabe8432c365d174b6b0a4962a0e43510432f1",
    "params_salted": true,
    "ts": "2026-10-12T14:23:39.864Z"
  },
  "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[194]"
  },
  "contact": "https://vet402.com/",
  "anchor": {
    "status": "anchored",
    "day": "2026-10-12",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "tx": "4S7obk3xBPeDHosmsAofj4Ybwci4pgUypsmrXF5M3dqVpD1Ftrk3ee3uNa3mHPyjLcRyC9T2LsedKqUJUXpAq1tB",
    "root": "0x88c8455f5558f786bb1d588564b4fa99b721d075a12e0c9bcb724d791d5240fd",
    "leafIndex": 120,
    "proof": [
      "0x3dbd47ab70de054412e4899b78ce9262b2db67762718a077d0dd4e8aca17827c",
      "0xe076fc5ef44b15bbeb710ad431e6805ee5e2366cd1b6cbf33194fcef240094e4",
      "0x48db4240263f5e003f524b25f7591a239a936897edd0fc183fa18bc6fb446bc1",
      "0xdf7ef62ee8071d27bab39b6c667cec0a20172e35c12d85674fa3c4f018ad946d",
      "0x06c5cb2f32b5421a92f6b408f7f2f8623131929b743fed26eb0648a08c7a38a4",
      "0xddda0c48a7fbe3c2c53583a21a4ac9e756b57990095fa1799bd0691aaee25265",
      "0xb2d4e9d9cfb0f229c251401c396e62b4abf9f3b33724b132527b3825dab8dfbb",
      "0x434c840d77719ad5019a7259dd1e0a4bf990ef1fd458923f2d7f01287cab1cee"
    ],
    "count": 201,
    "sequenceRange": [
      2499,
      2699
    ],
    "observerAddress": "0x6232335B5264f7aa62a51f8ACc4676D22511Ff3C",
    "anchoredAt": "2026-10-13T01:11:44.000Z"
  },
  "corrections": [],
  "signature": {
    "format": "eip712",
    "signature": "0xb5d46fda5b1da628e93526c023e24c645990cfb40dc0107cfef22eb33c0f2d7d480fc1432d9f4fcf7f5a8adb742dbef476447e285cfb471bfba291bc421de0dd1b"
  }
}