Evidence row 1531956

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://instructional-decision-engine-x402.vercel.app/marketplace/service-match"
    ]
  ],
  "name": "NovaPath",
  "owner_address": "0x6b62673ccbe35ff0dc68490c7ca576334e0d607e",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6B62673cCbe35ff0dc68490c7Ca576334e0D607e",
        "scheme": "exact"
      }
    ],
    "description": "Find relevant services in a 36-resource shortlist drawn from Coinbase Bazaar’s top call and payer rankings. Returns URLs, descriptions, reported 30-day usage and listed prices from the October 30 snapshot. No services are called or purchased.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "limit": 3,
              "query": "web search"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "limit": {
                      "maximum": 5,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "query": {
                      "description": "Public business or topical keywords only; 1–10 distinctive terms. No personal/contact data, URLs or instructions.",
                      "maxLength": 120,
                      "minLength": 3,
                      "type": "string"
                    }
                  },
                  "required": [
                    "query",
                    "limit"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T00:57:57.914Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T00:57:57.749Z"
    },
    "resource": "https://instructional-decision-engine-x402.vercel.app/marketplace/service-match",
    "serviceName": "NovaPath",
    "tags": [
      "x402",
      "api-discovery",
      "market-data"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Find relevant services in a 36-resource shortlist drawn from Coinbase Bazaar’s top call and payer rankings. Returns URLs, descriptions, reported 30-day usage and listed prices from the October 30 snapshot. No services are called or purchased."
}

What the leaf hashes

{"body":"16757b8513fb9cdaa5c112f48e44224548f67dde803485789099f29d63aa5c54","id":1531956,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473467556293,"prev":null,"subject":"x402_bazaar:https://instructional-decision-engine-x402.vercel.app/marketplace/service-match","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xbe06f0ad666cc800818be12312655a8e7a9cf28258763a4e56697c14e20b4333
2. 0xc7f483d48d9562a2b5a246c1d2eb3fd2bfb23ef4589f8f640e9eb5d3a486e38a
3. 0x4019079819024f2dd8bda28211ca1c1640c565376acfbe7514ab4baeb6c762f1
4. 0x68f25896b28ebf9b57062f9bfac9c471adefe061a04d89766e7597284a55cfd1
5. 0x966d1a3979dd37a77ee7cdbec3dd34d9404cc1091c3e3f2880cda65d129c7e88
6. 0x92d78321dc694c19dc3c86d65848b150dfde1484fb036b2e422f212c3f63e792
7. 0x9cdbd9e4417b9de2000857a4b19437d52542c5a27c26078635a784567034099c
8. 0xd10eeb5b66fbe8fd3eb3c8804416e4efec17b9609e03475cfd03e5d2ae6f0681
9. 0xae7c05fa0b1b18892c9ffb7a65e3bbaef9f9a0278ff3ba0390f70aa9b6a4e173
10. 0xf01bc5b6ad61eedd542820f4d49a05f618e4d4d5b0cb0428347686dc00f1c05e
11. 0xe8dfd2a4bb6ae651d865e797b3ec1086257df97a357c6d40378f3482f96e4f67
12. 0xda106ce461e74482d911f1cf995078e0a9d361cb93d2bb70b06f7d079e1bcab5
13. 0x8fb18cb40438430412ac0b754f63ab190035570452c03712ee1001755f05f774
14. 0x9dde676db4beb8126c78083f708810f78b6322c93d8e3b10a9a56dd144ea435a
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0