Evidence row 1531964

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://instructional-decision-engine-x402.vercel.app/research/search"
    ]
  ],
  "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": "Search 12,890 reviewed public business records across permits, fleets, FDA device decisions, food enforcement and NY healthcare. Returns up to five source-linked matches with explainable keyword relevance. Fixed October 18 edition; empty searches are rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "limit": 3,
              "query": "commercial renovation",
              "vertical": "construction"
            },
            "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"
                    },
                    "vertical": {
                      "enum": [
                        "all",
                        "fleet",
                        "device",
                        "recall",
                        "construction",
                        "healthcare"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "query",
                    "vertical",
                    "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": "2026-10-31T00:57:44.804Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T00:57:44.472Z"
    },
    "resource": "https://instructional-decision-engine-x402.vercel.app/research/search",
    "serviceName": "NovaPath",
    "tags": [
      "research",
      "public-data",
      "evidence"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Search 12,890 reviewed public business records across permits, fleets, FDA device decisions, food enforcement and NY healthcare. Returns up to five source-linked matches with explainable keyword relevance. Fixed October 18 edition; empty searches are rejected before payment."
}

What the leaf hashes

{"body":"6078e03a27e4c540a67b9ea01746d4ad98b719441d15816a7c63761a3221196d","id":1531964,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793473467572669,"prev":null,"subject":"x402_bazaar:https://instructional-decision-engine-x402.vercel.app/research/search","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. 0xb68f23ae188a5a4cf0542d2f5de1ec2cd2c62c2fe96af578bd4cbac28103a574
2. 0xcf463aa4f12ff3eac0951ac283eb4bd2cf3fb19b816fc11c7147dc54c7ad0cff
3. 0x04072f67a359c07b867879d3b454f6c907efe3e6562020a2a3f13949f99eabe4
4. 0x63a1647db537533d030a668607f22c024ad90f8a3ce5a6d9f18d36903a6c4665
5. 0x48369cf05e221c77ba20016cb8bfb5c71a826079f8136108cb4a71f11d0a36f6
6. 0xf873af3b65c70b85c92839f4819d4b23832f54973760d5913c083614820f8274
7. 0xa0cb4e27bf5dbbec79816a42fa1cb2d9edf964eb72f48b0cb2ac0945f2b0ec58
8. 0x8e8e11d8bd841c1976007552cc0659dd255ae98ac726fc5bd2a12578a62ae4d9
9. 0xe27cb04b41b99743a906e0ad516ad99c602a7b8ca7dd68d3f88597a843fba384
10. 0x651d8e6af3c7e14e7dcad2fa4ee6eac2bbdff4305dda9f64cd15ab08031f43ec
11. 0xe8a6b86e3ec49c7ce755c8deabd6acf94a808cb9f6e05932fdf5d1ddda0f0f12
12. 0xdb3bf1c516fc55ac9e150f487d2650b8eb6f1bc548caa23b8083fdcfafd1e3e3
13. 0xc3ddb373f637398d9ec8fb5c1463a1261a97d1401cfa2b7e180df020e4d48003
14. 0x8185eeafe9adefad89b2d62fb2c2a6beb3fde0409e51deb7d5c1a3c4cb40d65a
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0