Evidence row 51437

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://pagecheck-api-production.up.railway.app/v1/pages/audit"
    ]
  ],
  "name": "pagecheck-api-production.up.railway.app",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "pagecheck-api-production.up.railway.app",
    "endpoints": [
      {
        "description": "Audit supplied HTML for metadata, canonical URLs, indexability directives, headings, image alternatives, form labels, link names, social metadata and JSON-LD validity. Returns evidence and practical fixes. Static checks are not a full WCAG certification or ranking guarantee.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "<!doctype html><html><head><title>Notebook</title></head><body><h1>Notebook</h1><h3>Features</h3><img src=\"notebook.jpg\"><form><input id=\"email\" type=\"email\"><button></button></form><a href=\"/buy\"></a><p>A durable notebook for everyday planning.</p></body></html>",
            "group": "body",
            "name": "html",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "notebook",
            "group": "body",
            "name": "target_keyword",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "https://example.com/products/notebook",
            "group": "body",
            "name": "url",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "4",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "",
        "tags": [],
        "url": "https://pagecheck-api-production.up.railway.app/v1/pages/audit"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "pagecheck-api-production-up-railway-app",
    "integrationType": "",
    "isNew": false,
    "name": "pagecheck-api-production.up.railway.app",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.05",
      "currency": "USDC",
      "maxAmount": "0.05",
      "minAmount": "0.05"
    },
    "provider": "pagecheck-api-production.up.railway.app",
    "providerUrl": "",
    "serviceName": "",
    "tags": []
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"e944ad5fc11670be2e0c51ff1211256958d10231e09957f6f02db63ea4fa332c","id":51437,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793025417505005,"prev":3245,"subject":"agentic_market:pagecheck-api-production-up-railway-app","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. 0x65976d76d291f3b578b94287f4d91de4cf76000fa571364e80d7a99a74db168c
2. 0x118e72d534112ce33cf7b8acb8df7e6f685a945da47df311fd2f52ba33c8d4d8
3. 0xf314b321879c154c3a8ed6fcadba826f0fe7251db5e25349088b9e5e67374053
4. 0x0ab6f677f61bcff8a19e0b1204a7e1758e1a1de3af99f6ef42c44e0a44e49502
5. 0x81e52d3384b57533ca95b7e179384a7234dc65ae4a7ab2d74445d39992997df1
6. 0x76377a43e9d32757c081de1dabd03cc5dcfa7db781ef994e2ab6acfe2a74b42a
7. 0xaecb0ecdc53a89d49f325a4581453ebad617d89169a9aa12b7debb917507bb8d
8. 0x5274810c854f66343b083c99464157e28952e9e2354a6cfcd1bdb13e9a170932
9. 0x61265e6f546630d1b2e8062415c704111501a1eb9cf68051cc6a4cdcc97f8f08
10. 0x5296420e1acf9644fca56dfcfebe9911f7cbd593b603e3a280043d869ff6edc4
11. 0x2184826674dda59cfc6d24bc12b2c70a5f4db29f874e67fded919c1410503d2e
12. 0x611b1c1b68d04a71934006e383071a8f3836400d60beb86d81dd038bc102029f
13. 0x13f4b94ecf613d585c952b5363dad2b247a55371eb8e358bb89dc033e83128b1
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae