Evidence row 452350

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://tienda.textokit.store/api/x402-ping"
    ]
  ],
  "name": "Textokit",
  "owner_address": "0x6b5af9924f4cd35643c11a9fd1c983f77261a6e1",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6b5aF9924f4CD35643c11a9fd1C983f77261A6E1",
        "scheme": "exact"
      }
    ],
    "description": "x402 payment test and ping: one call with no required parameters returns server time (ISO 8601 and Unix ms), a request id, the seller payTo, chain id and an echo of your optional text, only after a real settlement. Use this when an agent needs to prove its payment flow works, measure round-trip latency or run a cheap scheduled canary against a live seller. No upstream, no model inference; paid round trip 1 to 2 s. Free sample at /api/x402-ping/sample.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "echo": "hello"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "echo": "hello",
              "ok": true,
              "payer": "0xf9D7D09F50d8d216D9a4D6B5ec93b176c10f87e9",
              "policy": "settled only after a successful response; paid round trip 1 to 2 s (verify and settle first)",
              "requestId": "8a10db38-8f01-43ff-ab3e-721d1a068375",
              "seller": {
                "chainId": 8453,
                "erc8004AgentId": 98748,
                "payTo": "0x6b5aF9924f4CD35643c11a9fd1C983f77261A6E1"
              },
              "serverTime": "2026-10-16T06:29:30.883Z",
              "unixMs": 1792132170883
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "echo": {
                      "description": "Optional text echoed back (up to 200 characters).",
                      "maxLength": 200,
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "const": "json",
                  "type": "string"
                },
                "method": {
                  "const": "POST",
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "echo": {
                  "type": "string"
                },
                "ok": {
                  "type": "boolean"
                },
                "payer": {
                  "type": "string"
                },
                "policy": {
                  "type": "string"
                },
                "requestId": {
                  "type": "string"
                },
                "seller": {
                  "type": "object"
                },
                "serverTime": {
                  "type": "string"
                },
                "unixMs": {
                  "type": "number"
                }
              },
              "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/v1792912421/bazaar-icons/ae1fd91a209ba3fd.png",
    "lastUpdated": "2026-10-27T08:02:29.433Z",
    "quality": {
      "l30DaysTotalCalls": 22,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-25T22:10:18.043Z"
    },
    "resource": "https://tienda.textokit.store/api/x402-ping",
    "serviceName": "Textokit",
    "tags": [
      "x402",
      "ping",
      "test",
      "timestamp",
      "canary"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402 payment test and ping: one call with no required parameters returns server time (ISO 8601 and Unix ms), a request id, the seller payTo, chain id and an echo of your optional text, only after a real settlement. Use this when an agent needs to prove its payment flow works, measure round-trip latency or run a cheap scheduled canary against a live seller. No upstream, no model inference; paid round trip 1 to 2 s. Free sample at /api/x402-ping/sample."
}

What the leaf hashes

{"body":"eb524381425205bb9911a9555f8d637d475b640697d3fff5fe569b154294d127","id":452350,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100520634565,"prev":122657,"subject":"x402_bazaar:https://tienda.textokit.store/api/x402-ping","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xb4ef254fe2dabed7b378d48f4463c41b6354f8168b96e81ad0b0b14228b6395d
2. 0xe8504c34cb2a7817830fb8ff4c04f04df7a694e72f4ce8c031ee221fded70ed8
3. 0xc68f60e1e814bd347be5c6c73ec02d0493b09856c92f8dd312af69081e568744
4. 0xdbd5b4b5f41e22f6de45d62556a446333b514d67e6aaea3a39a27336385b8d46
5. 0x84b097866c1ed516998681748522983fc9b8004d93c0642a6360cba19b3fe71a
6. 0x143c5063ef6b4e170f9ccb63c3b4b42512e42ef6b18f3b2f26bdb83fc9955ad3
7. 0xcce86f57792a09b2f745568e46513e2e78fa4ce1ed36c0391fdf6e604c80b6b3
8. 0x467a33aea58cbcd78414c7085268bcfd81130b3472191d7fa038fe3f0a4c1f89
9. 0xfdc7b966fa52dfc22368b52fe33ae0ed091f319d320ac32043352ccd9844c87b
10. 0xe7e71b576b25799c9b0af1e45e5a92862b62c2a5ac5ccf73129b5710faa9e599
11. 0x243eb39aa2801b8f3c086ddae3e662e32591df4ba5a63762a56e5f566bfaa855
12. 0x6e2f1bf13e63baa5946a254cc655175b50df835d2a257befe1759b4bc17ef93c
13. 0xdb8e341e9690aa686b29432c7b868b3859fb692c3ae3a679b8bc1219ebe3a597
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4