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Evidence row 19905

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/url/preflight
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
196e9a9d08c3f1dbb87b2a781ad188cc238c46a8e56873de356a5a2be77993fd
Leaf
0x8422e5c42a006878bb6ea99caf619ee56c169fe607b9a4a20512cd36d1a12224

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/url/preflight"
    ]
  ],
  "name": "Forest Web",
  "owner_address": "0xb48d918151311f982d542ef5c84cc1cd54cff7a9",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xb48D918151311F982d542eF5C84cc1cd54CFf7a9",
        "scheme": "exact"
      }
    ],
    "description": "Preflight one public URL before an agent uses it: verify immediate HTTP reachability, origin status, redirect destination, response headers and cache validators with a bounded HEAD-first probe. GET is used only when HEAD is unsupported. No JavaScript, login, page extraction or availability guarantee. Base mainnet USDC",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/health"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "body_sha256": null,
              "cache": {
                "cache_control": null,
                "etag": null,
                "expires": null,
                "last_modified": null
              },
              "content_length": null,
              "content_type": "text/html",
              "final_url": "https://example.com/",
              "head_redirect_chain": [],
              "head_status": 200,
              "method": "HEAD",
              "redirect_chain": [],
              "status": 200,
              "used_get_fallback": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "url": {
                      "description": "Absolute public HTTP(S) URL on port 80/443. No credentials. Private/reserved DNS/IPs and HTTPS downgrades rejected.",
                      "maxLength": 2048,
                      "minLength": 1,
                      "pattern": "^https?://",
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "properties": {
                    "body_sha256": {
                      "description": "Public body sha256 value used to scope this lookup.",
                      "pattern": "^[a-f0-9]{64}$",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "cache": {
                      "additionalProperties": false,
                      "description": "Public cache value used to scope this lookup.",
                      "properties": {
                        "cache_control": {
                          "description": "Public content type value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "etag": {
                          "description": "Public content type value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "expires": {
                          "description": "Public content type value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "last_modified": {
                          "description": "Public content type value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "required": [
                        "etag",
                        "last_modified",
                        "cache_control",
                        "expires"
                      ],
                      "type": "object"
                    },
                    "content_length": {
                      "description": "Public content length value used to scope this lookup.",
                      "minimum": 0,
                      "type": [
                        "integer",
                        "null"
                      ]
                    },
                    "content_type": {
                      "description": "Public content type value used to scope this lookup.",
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "final_url": {
                      "description": "Public final url value used to scope this lookup.",
                      "type": "string"
                    },
                    "head_redirect_chain": {
                      "description": "Public redirect chain value used to scope this lookup.",
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "location": {
                            "description": "Public final url value used to scope this lookup.",
                            "type": "string"
                          },
                          "status": {
                            "description": "Public status value used to scope this lookup.",
                            "minimum": 0,
                            "type": "integer"
                          },
                          "url": {
                            "description": "Public final url value used to scope this lookup.",
                            "type": "string"
                          }
                        },
                        "required": [
                          "url",
                          "status",
                          "location"
                        ],
                        "type": "object"
                      },
                      "maxItems": 5,
                      "type": "array"
                    },
                    "head_status": {
                      "description": "Public status value used to scope this lookup.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "method": {
                      "description": "HTTP method for the bounded public probe.",
                      "enum": [
                        "HEAD",
                        "GET"
                      ]
                    },
                    "redirect_chain": {
                      "description": "Public redirect chain value used to scope this lookup.",
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "location": {
                            "description": "Public final url value used to scope this lookup.",
                            "type": "string"
                          },
                          "status": {
                            "description": "Public status value used to scope this lookup.",
                            "minimum": 0,
                            "type": "integer"
                          },
                          "url": {
                            "description": "Public final url value used to scope this lookup.",
                            "type": "string"
                          }
                        },
                        "required": [
                          "url",
                          "status",
                          "location"
                        ],
                        "type": "object"
                      },
                      "maxItems": 5,
                      "type": "array"
                    },
                    "status": {
                      "description": "Public status value used to scope this lookup.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "used_get_fallback": {
                      "description": "Public used get fallback value used to scope this lookup.",
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "status",
                    "final_url",
                    "redirect_chain",
                    "method",
                    "head_status",
                    "head_redirect_chain",
                    "used_get_fallback",
                    "content_type",
                    "content_length",
                    "cache",
                    "body_sha256"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T01:05:29.098Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-26T01:05:28.916Z"
    },
    "resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/url/preflight",
    "serviceName": "Forest Web",
    "tags": [
      "web",
      "url",
      "reachability",
      "redirect",
      "http-headers"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Preflight one public URL before an agent uses it: verify immediate HTTP reachability, origin status, redirect destination, response headers and cache validators with a bounded HEAD-first probe. GET is used only when HEAD is unsupported. No JavaScript, login, page extraction or availability guarantee. Base mainnet USDC"
}

What the leaf hashes

{"body":"196e9a9d08c3f1dbb87b2a781ad188cc238c46a8e56873de356a5a2be77993fd","id":19905,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025332220114,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/url/preflight","subject_kind":"source_record"}

Proof

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

  1. 0x8422dfd9e712a837bf6423bd92d5534674ed11ae5bb545e10cc8cd23c9064fbc
  2. 0xa9fd8382505556daf2d307e0c95734a054c644f0630aef130f5cabcf15e1a94b
  3. 0x497d35347ff63648ba71cf22fd0a8c3128e267474ab30b1d82cb41ac2601db00
  4. 0x31824e222570a42616a7860b5d2af9833ef1afdcac89595ccba213867134cec2
  5. 0xb3363db6f712b23d7015e012d5ea1a96225be51ab27afb11beb3cbe7169424cd
  6. 0xcb71e5e1322b0fd989d15f69e9abb9ffc2c8426aedcdc135e7b44fdf66caaeb7
  7. 0xd5d4c622a4b76d2d61b1613b7fd3f55b8a4ece1d11b940ba5a9e0d8c67e59134
  8. 0xddb92c45d6a2eff84cfcdb312699cb8aec40d8d794a4ec24a146f4bf73a6568a
  9. 0xbc133685799c0c4b7637a568865c5e514982efccff17b31c03225489c9c8041a
  10. 0x18033a2c4d97bdf70116da2594b654dbb6f1d12267646015d8db5a14fd3724c4
  11. 0xdb4295ae338449b07243daebee8c36f16b3aaca1599a8f860eb80e22bca21e79
  12. 0xfdaa032291ded0df2cf35d6e9dc6e7a2643d0fe027dd3ab321971f1f7bf69147
  13. 0x91c2ae93ec20c7fed5088112fe3941ca622dfb3f8f1022c4844726c361244bd4
  14. 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON