Evidence row 2202138

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cheap-utilities.x402tookit.com/cron-explain"
    ]
  ],
  "name": "Cheap Utilities",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Explain a 5-field cron expression in plain English and list the next 5 run times in UTC.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "expr": "*/15 9-17 * * MON-FRI",
              "from": "2026-01-05T08:00:00Z"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T01:25:50.166Z",
              "countedFrom": "2026-01-05T08:00:00.000Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "english": "at minute 0, 15, 30, 45 of hour 9, 10, 11, 12, 13, 14, 15, 16, 17 on MON, TUE, WED, THU, FRI",
              "expression": "*/15 9-17 * * MON-FRI",
              "nextRunsUtc": [
                "2026-01-05T09:00:00.000Z",
                "2026-01-05T09:15:00.000Z",
                "…3 more"
              ],
              "notChecked": [
                "time zones other than UTC",
                "non-standard syntax (L, W, #, ?, @reboot)",
                "…1 more"
              ],
              "reasons": [],
              "source": "computed locally",
              "summary": "Runs at minute 0, 15, 30, 45 of hour 9, 10, 11, 12, 13, 14, 15, 16, 17 on MON, TUE, WED, THU, FRI.",
              "verdict": "VALID_CRON"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "expr": {
                      "description": "Cron expression: minute hour day-of-month month day-of-week",
                      "type": "string"
                    },
                    "from": {
                      "description": "ISO time to count from, default now",
                      "type": "string"
                    }
                  },
                  "required": [
                    "expr"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "countedFrom": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "english": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "expression": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "nextRunsUtc": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:40:45.143Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:40:44.876Z"
    },
    "resource": "https://cheap-utilities.x402tookit.com/cron-explain",
    "serviceName": "Cheap Utilities",
    "tags": [
      "cron",
      "scheduling",
      "developer-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Explain a 5-field cron expression in plain English and list the next 5 run times in UTC."
}

What the leaf hashes

{"body":"33fcc23cfddce865e14865f0e94796480f20ffed029c7f34441cd8889b838e60","id":2202138,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812739209,"prev":null,"subject":"x402_bazaar:https://cheap-utilities.x402tookit.com/cron-explain","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x537ea985a25dfec54831db0a97471ed55c443e964ff22d0a3d1a5cdb0ebea735
2. 0x41eafa15a772fe6b6a4259cc38176fa5f46f1366b592a4edf1b432fba1d3d8b9
3. 0x21e3fe8852fa98ba0e6d59b6a45a9dcc4038363fa9c349201ded81cf40d75310
4. 0xfe23acbbb674362b137a8db95467c7c26672c9d7cc34339dfc4bb6a2ac486af5
5. 0x741914e3b7c95e043beb371ea9101430925b33baf4fe28694f101087292840ba
6. 0x679b0b1833ab93590e7540e149f3758018b38617da3c55bfa341b089db019d94
7. 0xe55c1f4780801b3eb0aaa5057cc1d534b3dbf4d832d553ff8ea3f16236eed059
8. 0xb68dfc492b5f9a3c3287289d10f5afa3625bf9a52dcc944922bcec5b3c968676
9. 0xf3b45b0761125ce4298c52575d9ced005e734c21797a52c71bda68301bda4923
10. 0x1b06b6bb904da35bb20a98cc337e6f6f1b7849933153c9d273a4e0d0a1728517
11. 0xe86129f34106e46ab2a3a4266a79c8d3f2f77e5d556cf49b9ac214800195e0c4
12. 0x72adf61d2802939b48d74a549823053f636277c76140db963cda7bbd192a3539
13. 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af