Evidence row 527172

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent-tools-production-e6aa.up.railway.app/v1/site-check"
    ]
  ],
  "name": "Agent Tools UK",
  "owner_address": "0x1254f70ceed55d2e2d087e28f1ee2368d19e0399",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x1254f70ceed55d2e2d087e28f1ee2368d19e0399",
        "scheme": "exact"
      }
    ],
    "description": "Check whether a website is up right now: HTTP status, response time in ms, full redirect chain, and the SSL certificate's validity, issuer and days until expiry. Use when monitoring a site, diagnosing a broken link, or warning that a certificate is about to expire. A site that is down still returns 200 with up:false and the error. Errors: 400 bad or private URL.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://www.gov.uk"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "ms": 182,
              "redirects": [],
              "ssl": {
                "daysLeft": 54,
                "issuer": "Let's Encrypt",
                "valid": true
              },
              "status": 200,
              "up": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "Site to check (http/https)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:56:02.866Z",
    "quality": {
      "l30DaysTotalCalls": 57,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-27T09:56:02.721Z"
    },
    "resource": "https://agent-tools-production-e6aa.up.railway.app/v1/site-check",
    "serviceName": "Agent Tools UK",
    "tags": [
      "uptime",
      "monitoring",
      "ssl certificate",
      "website status",
      "devops"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check whether a website is up right now: HTTP status, response time in ms, full redirect chain, and the SSL certificate's validity, issuer and days until expiry. Use when monitoring a site, diagnosing a broken link, or warning that a certificate is about to expire. A site that is down still returns 200 with up:false and the error. Errors: 400 bad or private URL."
}

What the leaf hashes

{"body":"53fb0947f30379b12317163a8277c66097b6a131ce79cbcc41362faebd6ac2c9","id":527172,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124795682485,"prev":452230,"subject":"x402_bazaar:https://agent-tools-production-e6aa.up.railway.app/v1/site-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x678e15038d220f875667bd96e340aff468d5e3d262996a2aab78c1a872283f8b
2. 0x0a94d36cd4764a4290b0e14487c0731202cf2dcf9fde0400ca00cd6d91d67348
3. 0xdaec41927fd6448611e8ef24dcbed925b6a6fad1c7c759b75ae0bbab59c8c581
4. 0x151e5d9244fa22fb0cd40bf375c7959d0ac119de2ed49b9abf069e7038cff14c
5. 0xb4acfe0e8d5ef2bc5c30c08d9d3adbbbafa3be79f7213b7f56d83cb6a1828368
6. 0x73deb9a8cf80b0610a516427c9f71f77d98161dcd069aa84bdb72a2106224d50
7. 0xc17140593e355410efdf6f2f503eb55f7a99bba5fe6ce4cd0c69a175c76aeb3d
8. 0x1b9f9ed4352d2fdfd24c59f4873ac715e5f28f1f71e9d74ecd6c9762c26b4b00
9. 0x3ea9ab81eeb842733776329337a9d51a15bd7a790e8a375316469c0cd2aedc93
10. 0xe1b6a0c120edc0f0c2cbd8f1aa68f6744ea021014965b2e671812a2fedf53ce9
11. 0x48ff5606b64d91742c8fa41d67fc330937434ce7b5ba57971caf801ce419f684
12. 0xfc80c3ec28002b5abbe969b82c8409cc3216ef75df720eab92db371621f671d9
13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4