Evidence row 3065067

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://aptu.dev/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"
      }
    ],
    "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"
        }
      }
    },
    "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": "2026-11-03T18:53:55.018Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-03T18:53:54.264Z"
    },
    "resource": "https://aptu.dev/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":"4948cbba7ed448db10d2533d79b6cc9e11ba8a55931316c4819cde78300e6338","id":3065067,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793822236656172,"prev":2632907,"subject":"x402_bazaar:https://aptu.dev/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 2026-11-04 (424109 rows).

1. 0xe6904f29eefef1464d2d5e8aac6487dc99fa7d65cbb3eb33a1a7e6bba8eae833
2. 0x0773ca36f11775d8781e12a1ce2bf11a9969cb5b1e77ee65e1558420619c505f
3. 0xde67c29b8626b069986ad946332c24a8e0a8120016ea86eb412f0d709a94dd21
4. 0x52dff45a7b80a5177ae96c91d3778245e224f8502949b73732d3e839e9221374
5. 0x72e1b1744ab1f4ac399e225c49967c6911270b6dfa674c2a136e12d91824ae11
6. 0x47473f42f559daae95fdd1a82b49734a17cd27dc3fcbaae7d64e43052bb0b385
7. 0x5e4ee6087cf04430dabe958be22afb864ce73f9c2611c663e39aa2dbeadb3265
8. 0x7340f3ddd8fb6a1d90a47db1ccbe3433b8e9a7d542932fe61a149e48280607bb
9. 0xd2e9cb9c0f7b63569689e5b92032f0b3a1383f9e92451f1891efc861d20b5e43
10. 0x6b981aa3c73165c6ea83ffe80592a9c178b0094089004d0c697f36c25a03e482
11. 0x4dbb4d99d0674522a0f433a44b8d89bde7726faf2aa913f42182d10aa7123896
12. 0x5e87a51a1205951302959aa048373e9bd90a07aad0da06235155aabe583e6e8f
13. 0x7bc1797ffddc709f7e89686d72ce8c18d5f0a658e48ff89a11ca9e5a38c4b913
14. 0x7324a05814342612129bbef98d94a12fff89b93cf121ff58f8160eaebd6bcbcc
15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345