Evidence row 125286

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-gateway-production-1f21.up.railway.app/metadata-single"
    ]
  ],
  "name": "x402-gateway-production-1f21.up.railway.app/metadata-single",
  "owner_address": "0xf7eb4b12d673df433d76b2dbd9ca41db3fe1836e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 90,
        "network": "eip155:8453",
        "payTo": "0xF7Eb4b12D673dF433d76B2DBD9CA41Db3fE1836E",
        "scheme": "exact"
      }
    ],
    "description": "Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and autonomous buyer runtimes.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "status": "ready"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "timeout_seconds": {
                      "maximum": 60,
                      "minimum": 5,
                      "type": "integer"
                    },
                    "url": {
                      "description": "Public http(s) webpage URL.",
                      "format": "uri",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "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"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T22:02:39.783Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-25T22:02:39.532Z"
    },
    "resource": "https://x402-gateway-production-1f21.up.railway.app/metadata-single",
    "tags": [
      "metadata",
      "seo",
      "structured-data",
      "web",
      "agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and autonomous buyer runtimes."
}

What the leaf hashes

{"body":"a30dbc487deed5d548e819b132f85a94e9f9755fd5b3e948df7475a83c97c81f","id":125286,"kind":"listing","method":"baseline/1","observed_us":1793025626031564,"prev":null,"subject":"x402_bazaar:https://x402-gateway-production-1f21.up.railway.app/metadata-single","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. 0x80ce3baa05b5b547345d4398d8c00f447d4ee461a5ec46342e7fd0c2815f9986
2. 0xbf6883fb524897b8c2e9a817f73edd3c291c0bfa58936f7915d89908f0dcf503
3. 0x6bad431e1eaa0ea9ff986dc0ea46197a86716248cf5ba9633dc286162c9efe3a
4. 0x172830bb08e9241f671d475f7ecdb57aa653676a0a0d3c1e82da42bc16b48d2c
5. 0x0bb9dc94ef2f659cfb147cb00eb01e8231b52263bae1e960679d23e88e782cb1
6. 0x9e457dd091f9c326b611bff4901d64c3ee5745f6681dd9f980cf094cf427870a
7. 0xfdf696940a2f9759f73420cc11bf3b5f66a8d89ec58586810a9fe478634174fc
8. 0x562029970ffad822b0ec440c503f78e29f2587bd79e91bf50f9bd59cee75ad10
9. 0xdafb5a8c55f43e531a22975d02397685ba7d758ee272ba3d5841772ecb9f8d82
10. 0x836b84f8e93674b08861122bb833431f014aff63ef724715df187e6998b02882
11. 0x62490dd1c15d5301c6fb2c08f1d6ceb3a0d4c216f6e742424332881907db0fcd
12. 0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
13. 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae