Evidence row 71540

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/dev/cron"
    ]
  ],
  "name": "Cron Expression Explainer",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Explain a cron expression (5 fields, names like mon-fri, or @daily) in plain English and list its next run times in any UTC offset. Use to check schedules before deploying jobs.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": 3,
              "expression": "*/15 9-17 * * mon-fri"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "description": "every 15 minutes; hour 9, 10, 11, 12, 13, 14, 15, 16, 17; every day-of-month; every month; weekday Monday, Tuesday, Wednesday, Thursday, Friday",
              "expression": "*/15 9-17 * * mon-fri",
              "next_runs": [
                "2026-10-23T09:15:00+00:00",
                "2026-10-23T09:30:00+00:00"
              ],
              "normalized": "*/15 9-17 * * mon-fri",
              "timezone_offset_hours": 0
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "count": {
                      "description": "Next runs to list (1-20)",
                      "type": "integer"
                    },
                    "expression": {
                      "description": "Cron expression",
                      "type": "string"
                    },
                    "timezone_offset_hours": {
                      "description": "UTC offset of the schedule, e.g. 4",
                      "type": "number"
                    }
                  },
                  "required": [
                    "expression"
                  ],
                  "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": "2026-10-25T09:44:09.719Z",
    "quality": {
      "l30DaysTotalCalls": 15,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-25T09:44:09.509Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/dev/cron",
    "serviceName": "Cron Expression Explainer",
    "tags": [
      "cron",
      "scheduling",
      "devops",
      "developer",
      "utility"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Explain a cron expression (5 fields, names like mon-fri, or @daily) in plain English and list its next run times in any UTC offset. Use to check schedules before deploying jobs."
}

What the leaf hashes

{"body":"ace9f0bff303a9e09659f2f39d5de0820e941df010218ec862981ed3eb229ea3","id":71540,"kind":"listing","method":"baseline/1","observed_us":1793025482909466,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/dev/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. 0x13137fe2d3435dc21ea65427412a0fa4eaeff684aacca18a4dbb6e4e659d2622
2. 0x114c68fc3e11faf94a3beaf8bba5c5c7df015ddd9723a6c643c683cc933232b3
3. 0x3771640a59253587c478a50d7d441bc8a8d8b4f19bb0985aad248a7bcd785992
4. 0x4cbdd1236420b5820fa63bedc32833c385ecd2ed92abe9030628fa11155f6e0e
5. 0x59e640e299d18ab0bc190e3cd9d6133da995b33321ced98bde27fd4fb480e13c
6. 0x5bfe2547cbce0c9a0c95fd5bd45eff83a090ff06b0abb6c72429236b0dbd396b
7. 0x1aa7f50a7049c503c1fe349d349ae3acfce59c3d5d20c0b37ef3b98c468a34c7
8. 0xcd0edfb7d294a59b89e05ad155582f7bfe6ac8fa3205d0dd9ba65353423ac7ea
9. 0x0b3c954c3d2b2159a2f05003f65c595ae6a417c5cf7233134f8877273a080450
10. 0x82c27b8a0cc799b1b8e2ae127f363936ba1a6e1a5d43001849ff8f1e205dc950
11. 0x9d19085bdd0cb9322cb235f88ed9fb666f1b60fe7afec1170ec05f633673830a
12. 0x7e390200ea1ea25db5884cf05fa50ad599f0759b573f081e361cc22f7206133c
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae