Evidence row 3763976

Observed 6 Nov 2026, 20:22 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://clouatre.ca/v1/echo
Recorded: 6 Nov 2026, 20:22 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 383662136a62bdfd0ef228e8528d3a49f2026ae2509d662ccaed1e2da7fdbaaa
Leaf: 0x707d6eef8ad4a3d137c65c205b0afbd4ebd5b9054d34fdf02e286bdb8d33e8bb

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://clouatre.ca/v1/echo"
    ]
  ],
  "name": "aptu.dev",
  "owner_address": "0x169313d28075a6ddb70e7e5190a1eddc0d105671",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x169313d28075a6dDB70E7e5190a1eDdc0d105671",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "364mUWTYwsteDSKLjHBrV8y77rAdqwmnWLB8sJBkBD1E",
        "scheme": "exact"
      }
    ],
    "description": "Echoes a JSON {message} back; the simplest paid call for verifying your x402 payment flow.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "message": "hello from an autonomous agent"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "echo": {
                "message": "hello from an autonomous agent"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "message": {
                      "maxLength": 10000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "message"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_ognzk2zl"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793569800/bazaar-icons/4d5697f26cf1508d.png",
    "lastUpdated": "2026-11-05T15:14:38.136Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-05T15:14:37.691Z"
    },
    "resource": "https://clouatre.ca/v1/echo",
    "serviceName": "aptu.dev",
    "tags": [
      "echo",
      "x402",
      "testing"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Echoes a JSON {message} back; the simplest paid call for verifying your x402 payment flow."
}

What the leaf hashes

{"body":"383662136a62bdfd0ef228e8528d3a49f2026ae2509d662ccaed1e2da7fdbaaa","id":3763976,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996569696581,"prev":null,"subject":"x402_bazaar:https://clouatre.ca/v1/echo","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).
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Day root: 0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained: 0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published: On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON