Evidence row 1807

Observed 26 Oct 2026, 14:34 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://offercheck.offercheck.workers.dev/v1/check/url
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 2c529f63be26b41590658cc59f1bcc932dfca7d9ded0d7922d02e04af134382e
Leaf: 0xc270cc9b456a76ef146ce6a2c3a7dd1778d8961c0668b143a952e0a87a5970f3

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://offercheck.offercheck.workers.dev/v1/check/url"
    ]
  ],
  "name": "offercheck",
  "owner_address": "0xb9721fdd2ec85f7f604f5bbca2292d7c4ff6b62c",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xB9721FDD2EC85F7f604F5BBcA2292d7C4ff6B62c",
        "scheme": "exact"
      }
    ],
    "description": "Check a URL before you cite, visit or trust it: liveness, final URL and redirect chain, soft-404 detection, page title, domain registration age (RDAP), robots.txt policy for AI agents, and Wayback Machine snapshot availability. $0.002 per check.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "url": "https://example.com/docs/page"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "alive": true,
              "archive": {
                "available": true,
                "closest_timestamp": "20260901000000",
                "closest_url": "http://web.archive.org/web/20260901000000/https://example.com/docs/page"
              },
              "bytes": 15321,
              "checked_at": "2026-09-25T20:00:00.000Z",
              "confidence": 0.9,
              "content_type": "text/html; charset=utf-8",
              "domain": {
                "age_days": 11365,
                "name": "example.com",
                "rdap_ok": true,
                "registered_at": "1995-08-14T04:00:00Z",
                "registrar": "RESERVED-Internet Assigned Numbers Authority"
              },
              "final_url": "https://example.com/docs/page",
              "http_status": 200,
              "https": true,
              "ms": 950,
              "redirect_chain": [
                {
                  "status": 200,
                  "url": "https://example.com/docs/page"
                }
              ],
              "robots": {
                "agents": {
                  "*": true,
                  "ClaudeBot": true,
                  "GPTBot": true
                },
                "fetched": true
              },
              "soft_404": false,
              "title": "Docs — Page",
              "url": "https://example.com/docs/page",
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "url": {
                      "description": "Any public http/https URL",
                      "format": "uri",
                      "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": "2026-10-26T00:16:52.095Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T00:16:51.948Z"
    },
    "resource": "https://offercheck.offercheck.workers.dev/v1/check/url",
    "serviceName": "offercheck",
    "tags": [
      "verification",
      "ecommerce",
      "price",
      "availability",
      "url"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check a URL before you cite, visit or trust it: liveness, final URL and redirect chain, soft-404 detection, page title, domain registration age (RDAP), robots.txt policy for AI agents, and Wayback Machine snapshot availability. $0.002 per check."
}

What the leaf hashes

{"body":"2c529f63be26b41590658cc59f1bcc932dfca7d9ded0d7922d02e04af134382e","id":1807,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025259274705,"prev":null,"subject":"x402_bazaar:https://offercheck.offercheck.workers.dev/v1/check/url","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).

0xc270c4e6c4f6a9ca3489eed989768941abb9de35b2d6a3e40b642ff0d424a063
0xb30c3ed0221cabb590df5d9a4869e4c892b4559b410a25acb2b6d587c98e8460
0x1afa3008cae3111eb0a32b8c49244f76e2c51d3c8a45d0246d115e64245bb4f5
0x6185f6c1cfb0c45317f6c0f26a748ae87422dfc645d6fb1b92d2a55a88adf82d
0x6e4e5543d58eb54f92d959c02d502b44fc1df123597f8d0fc7bb082492fc26c8
0x11cbbd40b9b32ed9f6d32f955d630a8fad20ed1069deba21e7e994194b538004
0x672a13a19e05c6cf76d47e05efcaab9c57cbd6091a42867524379ae851e76569
0xf2105fdd79df0465c2eb5ce64f8dee578cc13cfbbe57a6a68c2c9b000db8eb6d
0x05bcac63f912136a2b7ce542dec6608c1c17db7df9bc946287304090e08e0e05
0x02fc737af148fc67bfb1f5c370619af324b0ab69f180682480acc58bb0dea50c
0x7f4ae229fdca48d3ef8476aa02e4d171abb9d529ffe12fe147f9a22b16589b6a
0x63002f2569d43725bbf2d04d90ec9e6cf925c96b6dda5e7e220ecfbdd9c2444d
0x641fba1f23ec69d96721e34ace1926954d835b9614cb5eae215a069c056399b8
0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON