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Evidence row 63990

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://agentshelf.syntexa.ch/v1/hreflang-list
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
32dc5f310c80c45a30d9aceb4c26d6c03bd42d42dc3d92a2a751f542ffd502cf
Leaf
0x11642e0ce97c9198347dde24d255b3d1b101b1c7daa865c8b0212fac17b3b7c0

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentshelf.syntexa.ch/v1/hreflang-list"
    ]
  ],
  "name": "agentshelf.syntexa.ch/v1/hreflang-list",
  "owner_address": "0x1d61faa032d3f40d9c470d2bf3a3f53de0e55a38",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
        "scheme": "exact"
      }
    ],
    "description": "Call when an agent needs hreflang alternates extracted from a public page or HTML (SSRF-safe). Send JSON {\"html\":\"<link rel=\\\"alternate\\\" hreflang=\\\"en\\\" href=\\\"https://example.com/en\\\">\"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/hreflang-list first.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "html": "<link rel=\"alternate\" hreflang=\"en\" href=\"https://example.com/en\">"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "alternates": [
                {
                  "href": "https://example.com/en",
                  "hreflang": "en"
                }
              ],
              "billed": true,
              "ok": true,
              "receipt_id": "rcpt_01EXAMPLE000000000000000",
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "examples": [
                    {
                      "html": "<link rel=\"alternate\" hreflang=\"en\" href=\"https://example.com/en\">"
                    }
                  ],
                  "properties": {
                    "html": {
                      "description": "HTML to parse locally instead of fetching. When both html and url are set, html is used. Provide html or url.",
                      "examples": [
                        "<link rel=\"alternate\" hreflang=\"en\" href=\"https://example.com/en\">"
                      ],
                      "maxLength": 200000,
                      "minLength": 1,
                      "type": "string"
                    },
                    "url": {
                      "description": "Public http(s) URL to fetch. When html is also sent, this is only the base for relative links. Provide url or html.",
                      "maxLength": 2048,
                      "minLength": 8,
                      "type": "string"
                    }
                  },
                  "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,
                  "examples": [
                    {
                      "alternates": [
                        {
                          "href": "https://example.com/en",
                          "hreflang": "en"
                        }
                      ],
                      "billed": true,
                      "ok": true,
                      "receipt_id": "rcpt_01EXAMPLE000000000000000",
                      "warnings": []
                    }
                  ],
                  "properties": {
                    "alternates": {
                      "examples": [
                        [
                          {
                            "href": "https://example.com/en",
                            "hreflang": "en"
                          }
                        ]
                      ],
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "href": {
                            "type": "string"
                          },
                          "hreflang": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "hreflang",
                          "href"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "billed": {
                      "examples": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "ok": {
                      "const": true,
                      "examples": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "receipt_id": {
                      "examples": [
                        "rcpt_01EXAMPLE000000000000000"
                      ],
                      "type": "string"
                    },
                    "warnings": {
                      "default": [],
                      "examples": [
                        []
                      ],
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "ok",
                    "receipt_id",
                    "billed",
                    "alternates"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-19T06:59:41.755Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-19T06:59:41.559Z"
    },
    "resource": "https://agentshelf.syntexa.ch/v1/hreflang-list",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Call when an agent needs hreflang alternates extracted from a public page or HTML (SSRF-safe). Send JSON {\"html\":\"<link rel=\\\"alternate\\\" hreflang=\\\"en\\\" href=\\\"https://example.com/en\\\">\"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/hreflang-list first."
}

What the leaf hashes

{"body":"32dc5f310c80c45a30d9aceb4c26d6c03bd42d42dc3d92a2a751f542ffd502cf","id":63990,"kind":"listing","method":"baseline/1","observed_us":1793025455913483,"prev":null,"subject":"x402_bazaar:https://agentshelf.syntexa.ch/v1/hreflang-list","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. 0x116412fae6c38470a4b07eab416def1d0a16c9ad0f4e60c4779be308c811bc88
  2. 0x51af6cbdeee5689f3a36c511135ab340563176198b308d049d29f763895b1fc7
  3. 0x5afabe79e63bf04c43654d306f864ef65e5df1b8051de1341cdd5c7f678ebd95
  4. 0xdd6910c3ec66bc7948887c99511772f02e5c274b60351a814c709126b8ea6278
  5. 0xc4c95998fa44e1067719ddc640b34707e0deec2963e648d9791266466d208f0c
  6. 0xd5bc65f63f154169224e1b2308fb560332ed4485e935b39ec728b6eeb85b65bf
  7. 0x9a0ab67dbe92e85576f79e612bb3d68898d68152430ad6a0652b61ccd41ad84d
  8. 0x2e0e1c2f14f4c731ba9533ba6ae2b3b14e9e261ae300ec3c9620c8267fcc48c8
  9. 0x90c81e0dacb4c443b1a82c1637adcc6c98ae484d805a589fb55ce0f8f0af16c0
  10. 0x59eeaadc4738eed3343bd128dc8e9beeacada4d8b43799e35d914cb411b97394
  11. 0xb3d22f508aaf8117a0a5454390284c48363baa096e225b30af56d708d8dcd0b3
  12. 0xc02d9eff6ef94d46d90d54320548f18fc3f05787047265548577569253c19969
  13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
  14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
  15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON