Evidence row 123764

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://vending-machine-seven.vercel.app/api/v/http-head"
    ]
  ],
  "name": "vending-machine-seven.vercel.app/api/v/http-head",
  "owner_address": "0xc648116b5debe4af7d78838aa468d07e0a9ab697",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xc648116b5deBE4AF7D78838AA468d07e0A9Ab697",
        "scheme": "exact"
      }
    ],
    "description": "Public URL status, latency, and response header subset for uptime and health agents",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {},
            "queryParams": {
              "url": "https://example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "headers": {
                "content-type": "text/html"
              },
              "ms": 40,
              "ok": true,
              "service": "http-head",
              "status": 200
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v/http-head",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "url": {
                      "description": "Public https:// URL",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "headers": {
                      "type": "object"
                    },
                    "ms": {
                      "type": "number"
                    },
                    "ok": {
                      "type": "boolean"
                    },
                    "service": {
                      "type": "string"
                    },
                    "status": {
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T22:19:45.409Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-23T22:19:45.271Z"
    },
    "resource": "https://vending-machine-seven.vercel.app/api/v/http-head",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Public URL status, latency, and response header subset for uptime and health agents"
}

What the leaf hashes

{"body":"6979dfde3aa0c4c98943883a82bf8666c270ee17adbab36613588b0f2b9e6222","id":123764,"kind":"listing","method":"baseline/1","observed_us":1793025623692531,"prev":null,"subject":"x402_bazaar:https://vending-machine-seven.vercel.app/api/v/http-head","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xcecddc55701ef10b21b1b5a47ac980350415e6eea43456334c19daf3a9337106
2. 0x22d81152fbac63673d777aca7f905e7322f727773dff3e6fb5028d6bffbc91c9
3. 0xab7b717ad9c4dba2320810b90163ed2ef6d2936ddc339694ad6fcfcc3233fbb0
4. 0x239a4eb4e81c77344b8fa4dd18f97535de4638aa5b1a649777b279939227d667
5. 0xeee5720ccd5602c0d5003c794bf7b77c42ed9b5d2dc397e7039ee34fa1666c59
6. 0xd01b04448d4a062da8a2e55ae0a878050d575ef457129d505000c7458969a821
7. 0x6ac7ae0107e720540c43b2894027289cc80928d47a61b51c3e15dd7f7508df18
8. 0x9745c1bef1d820bc6468da48e2050968265dd4a67922a6da749751015763d84e
9. 0x620e46a467bb6ea328be9baa498db8c9a6b6f5095a07956301edab68c1ef1f7b
10. 0xe105839525c4828b89b7d05e44f371385eb52639386c098d62734be5b4a1ce05
11. 0xd57a32d9d2666c4270544dcb78bbea2f4774705d3879a86973628e2542543e62
12. 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae