Evidence row 279107

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.aventtech.com/explain/cron"
    ]
  ],
  "name": "api.aventtech.com/explain/cron",
  "owner_address": "0x5100a134d768415cc4a25d7bdbcfc44394d62282",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5100a134d768415cc4a25d7bdbcfc44394d62282",
        "scheme": "exact"
      }
    ],
    "description": "Cron expression explainer: human-readable description plus the next run times (UTC) for standard 5-field cron syntax including ranges, lists and steps.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": "5",
              "expr": "*/15 9-17 * * 1-5"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "description": "At every 15th minute past hours 9-17 on Monday-Friday (UTC)",
              "nextRuns": [
                "2026-07-24T09:00Z"
              ]
            },
            "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 to return (max 10, default 5)",
                      "type": "string"
                    },
                    "expr": {
                      "description": "5-field cron expression",
                      "type": "string"
                    }
                  },
                  "required": [
                    "expr"
                  ],
                  "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": "2026-10-08T05:37:23.926Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-08T05:37:23.587Z"
    },
    "resource": "https://api.aventtech.com/explain/cron",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Cron expression explainer: human-readable description plus the next run times (UTC) for standard 5-field cron syntax including ranges, lists and steps."
}

What the leaf hashes

{"body":"b93873bee7f96bac8667bd97200678630a3c2ca52b6abc4fff56b8ab1d3bd6d7","id":279107,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042174469171,"prev":65186,"subject":"x402_bazaar:https://api.aventtech.com/explain/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. 0x7e1395bc3b67872f0accf60a2871d1a0e061a31382166f6f357e8ab49cfcfcad
2. 0xc225d201f8ef487c4df9680c363cc824a050dc15fef24eb171d6f7bb46c6f166
3. 0x1c23998fa6ca4433f97069f777dbb0e74b6744d6bc9f2e85ca566cb7eebbec41
4. 0xd9d1392b11119e1efd2968c119a42e74b4ff888cbd93ef08c223c5fbb07295da
5. 0x0911525ab37903ed10a021919dc1c4706baa126a00cb5ec40056ae4f501d33a6
6. 0xdc35d1f2b19aa92ed6371669f92a34de19d5394255a9648c677d873bcb804795
7. 0x495334a0c974d6e51ed12381d559d7fa4b3bbc63774fc89ae41f73b3abad819d
8. 0xd58040d5117d7fddcb957d2bd892a67cf61d8d1e625498c288e9a71002830105
9. 0x5dfe7ef8c83bbb998c208ea7d7d89ff8b783da931ec5ae5dae5ebce0c67f2787
10. 0x2718d6dca57166b1f1fa238e8a139e4cdbab7b7485a09970fff985d3b3878bfd
11. 0xaf10e841089e5989890dc77ffce42a46564d25ef15f30d1e35bf53a495483ad4
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae