Evidence row 123623

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://utils.kagurazaka.dev/v1/cron"
    ]
  ],
  "name": "x402 Utils",
  "owner_address": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe6f7508ab572a4dc9c7486ea017b100d83f3c3f8",
        "scheme": "exact"
      }
    ],
    "description": "Explain a cron expression in plain English and list its next run times in a time zone (5 or 6 fields, with ranges, steps, L, W and #).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": 3,
              "expr": "0 9 * * 1-5",
              "tz": "Asia/Tokyo"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "description": "At 09:00, Monday through Friday",
              "next": [
                {
                  "local": "2026-10-26T09:00:00",
                  "utc": "2026-10-26T00:00:00.000Z"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "count": {
                      "description": "how many next runs (1-50, default 5)",
                      "type": "integer"
                    },
                    "expr": {
                      "description": "the cron expression, such as 0 9 * * 1-5",
                      "type": "string"
                    },
                    "tz": {
                      "description": "IANA time zone, default UTC",
                      "type": "string"
                    }
                  },
                  "required": [
                    "expr"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "description": {},
                    "next": {}
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T08:11:44.426Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T08:11:44.285Z"
    },
    "resource": "https://utils.kagurazaka.dev/v1/cron",
    "serviceName": "x402 Utils",
    "tags": [
      "cron",
      "schedule",
      "time"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Explain a cron expression in plain English and list its next run times in a time zone (5 or 6 fields, with ranges, steps, L, W and #)."
}

What the leaf hashes

{"body":"cca278af2a45e5ee8f215200b735ec45fd313162394ee7adbb82092719e175d4","id":123623,"kind":"listing","method":"baseline/1","observed_us":1793025623393030,"prev":null,"subject":"x402_bazaar:https://utils.kagurazaka.dev/v1/cron","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xfbe87c0f66f1fd901bbf88ad625b2516f6b0d7628321afc350fdd841afb84d34
2. 0x95f9d8eb7f380595b0d8dfe49776dfbf386c54e4ab498561e68c86f71b723505
3. 0xa65fff49840f6a8a3c44b2bc895899276b7660b4468dff3a64a26b0857c39713
4. 0x5d0701c300c7e8f047c75e8c7f5226e952acf588079b8f7a0c2a71dafe41a0c8
5. 0xcdff6e26290ed609cfc43cf0e0d964a261a83c32eb487e13419652b96f2a82b0
6. 0x97d88da9195f7eabf554fd77dc087c86345f80b6b86b46e1110c9bac89c8e69d
7. 0x51fcb3c96803b080660529141dad664264e846627791d43441b211b614a88138
8. 0x7d4ebb4fcc2d34d2e0a58fb96afb60f6397ae2ebc6fb57e26e5742421d4ee2e7
9. 0xa0f80f243f8b4719fc8bc7f60682dc3e72a50ebb41702b45f94d65e9d76b96c3
10. 0x0d9c6b15190d9e13a7cb74876b1fd47b5bba1e548abecd756ff8fd16658a6713
11. 0x51bc8fcd224b36d2c60fa49f46f383ee8328191b9e73209ce8018f2612c3d42f
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae