Evidence row 1040015

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.agentfeeds.jp/v1/sample/echo"
    ]
  ],
  "name": "api.agentfeeds.jp/v1/sample/echo",
  "owner_address": "0x67ac1e671e87b2c91847230748ed38a596013ea6",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x67AC1E671E87b2c91847230748ed38a596013EA6",
        "scheme": "exact"
      }
    ],
    "description": "x402 payment E2E test endpoint (echoes query). Factual data only; not investment advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "msg": "hello"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "echo": "hello"
              },
              "kind": "factual_data",
              "product": "sample.echo"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "msg": {
                      "description": "text to echo (max 200 chars)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T07:19:10.45Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T07:19:09.718Z"
    },
    "resource": "https://api.agentfeeds.jp/v1/sample/echo",
    "tags": [
      "test",
      "echo",
      "x402"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402 payment E2E test endpoint (echoes query). Factual data only; not investment advice."
}

What the leaf hashes

{"body":"e15d141a7569ce05d06e3c414934bf42b24cdcf9549c05202286bc649a0f8aae","id":1040015,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298481779939,"prev":null,"subject":"x402_bazaar:https://api.agentfeeds.jp/v1/sample/echo","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xc057fa11137b088fa10c757aaf230e51b593a8911d5dd1f291336a3daea87769
2. 0x6be670c556ba33134a5936f663ea262da2ee64de4b11c974c0ee04d1c29e7504
3. 0x0141c98ca2952f5f315b3bd37d558e0aebf86724e27db20ee231893a89873e75
4. 0xeab609c86fddd2ab01d6a636079a9ea4971410ee8f97e941d2fa212cee2fe92c
5. 0xc3c91bea21689fa9d837c9849f1c6f90a9e68941cf48631e3fc2d88772a7f7fd
6. 0x7fd6a7b139afba1baf5d98e6d2e4b9eb041312e557215dbb5191749c57409889
7. 0xf6595f10f03c318cf595f121e92122d707131cb972342ad20aecf5d067dac260
8. 0x0ec47c86537a74b9eb84295bd08e52a019aec0dc1fe97a78d3d2b9655d2921c0
9. 0xb6ad698f55c05019ad8cd84173ab1c0f8338e373fda8da0e32558e69d1520a97
10. 0xb1328f86fb532be2c715f0c8d7b18a9362e788e077367c52e10b6a452db7d3fa
11. 0x035f1a56b8d0d7406b901e352e2d7e873a0209c65bd766589138c2be61b13c30
12. 0xea3d6fc094e0e5aea74bd6048efd6e9e2b6ad5889c97c5ddbb2aa6b7e55cf6f8
13. 0x855b0c7846554d66c3c7ea55cacc771607f9f991cc0c6e60b0c560e5e253a4e0
14. 0x104600713bd70fcbdf137fa07f8136bb6c252c890776bc7cbd7b194271f8b93a
15. 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1