Evidence row 2201223

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://recurrence-rules.x402tookit.com/rrule-parse"
    ]
  ],
  "name": "Recurrence Rules (RRULE)",
  "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": "Validate an RRULE string against RFC 5545 section 3.3.10, list every error and warning, and explain it in English.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "rrule": "FREQ=WEEKLY;INTERVAL=2;COUNT=8;WKST=SU;BYDAY=TU,TH"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-21T01:31:07.765Z",
              "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.",
              "errors": [],
              "explanation": "Every other week, on Tuesday and Thursday (weeks start on Sunday), 8 times in total.",
              "notChecked": [
                "time zones and daylight saving: arithmetic is floating local time with the fixed offset you gave; no time zone database is applied",
                "HOURLY, MINUTELY and SECONDLY frequencies and BYHOUR, BYMINUTE, BYSECOND (not supported)",
                "…2 more"
              ],
              "parts": {
                "byday": [
                  "TU",
                  "TH"
                ],
                "bymonth": null,
                "bymonthday": null,
                "bysetpos": null,
                "byweekno": null,
                "byyearday": null,
                "count": 8,
                "freq": "WEEKLY",
                "interval": 2,
                "until": null,
                "wkst": "SU"
              },
              "reasons": [],
              "rule": "FREQ=WEEKLY;INTERVAL=2;COUNT=8;WKST=SU;BYDAY=TU,TH",
              "source": "RFC 5545 (iCalendar) section 3.3.10 and 3.8.5.3, computed locally",
              "summary": "Every other week, on Tuesday and Thursday (weeks start on Sunday), 8 times in total.",
              "valid": true,
              "verdict": "VALID",
              "warnings": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "rrule": {
                      "description": "RRULE value, e.g. FREQ=WEEKLY;INTERVAL=2;BYDAY=TU,TH;COUNT=8",
                      "type": "string"
                    }
                  },
                  "required": [
                    "rrule"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "errors": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "explanation": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "parts": {
                      "properties": {
                        "byday": {
                          "items": {
                            "type": "string"
                          },
                          "type": [
                            "array",
                            "null"
                          ]
                        },
                        "bymonth": {},
                        "bymonthday": {},
                        "bysetpos": {},
                        "byweekno": {},
                        "byyearday": {},
                        "count": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "freq": {
                          "type": [
                            "null",
                            "string"
                          ]
                        },
                        "interval": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "until": {},
                        "wkst": {
                          "type": [
                            "null",
                            "string"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "rule": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "valid": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "warnings": {
                      "type": [
                        "array",
                        "null"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:08:00.341Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:08:00.186Z"
    },
    "resource": "https://recurrence-rules.x402tookit.com/rrule-parse",
    "serviceName": "Recurrence Rules (RRULE)",
    "tags": [
      "rrule",
      "icalendar",
      "validate",
      "recurrence"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an RRULE string against RFC 5545 section 3.3.10, list every error and warning, and explain it in English."
}

What the leaf hashes

{"body":"e7d15233c63ae36a8c690d1fada5c40498f250606c09848bb58632d11ba6bffd","id":2201223,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801331906,"prev":null,"subject":"x402_bazaar:https://recurrence-rules.x402tookit.com/rrule-parse","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. 0x5ce1fb652a0c1e3b065377ab5fe7cb7317f09f6322abe46473d6cf3279444553
2. 0x6da8948018f756a1ce49137e564dcc59ae99ed18f2f73e8dcfbb9368cb176987
3. 0x0a938cda9199280b6a9ccf322c2d9faa79b5a64bc166ed83819c0aa24063b529
4. 0x96320278b02b0c2a34455a9890edc3aa3994747d1af029ead31cdecb9f4db429
5. 0xfc52ddaac29585ba559e721ed489a8db2e701971b8d493167d0e5479b6476764
6. 0xf3a59eb89e952d66db8b590e83e77ad241f029a69cb2cae59a69fe381e232adf
7. 0xd1e7fa167c258bc7ce4a319b48a0ff99bb2ca83b4d7e105324cd3973e6b7df91
8. 0x71e1e65af293ea29fc751e2b54cb5b39c1b837f7756910b01dd7b2c8200d5e64
9. 0x42bcbb0851eb9cb9d87e813c6e81ca4b5f1ac1678ad99bcdb486c7af9a16d50e
10. 0xef7270058610b4a0ba04d87fe21feb8d6dfe1369a171c7796284270cfc8e4234
11. 0xe24c6b2bb340256a2fcd33aea9c0602c59d8f48011ddc912d6b1f935d2cff5a5
12. 0x48ec03912f5eaea9db033a997ca613f6c59300334a7de08f41747e807e1c1b29
13. 0x0f0789866ea2f1bd292c9e7a2eaf20360ccfd54bcd03afc0a8ce21b6555e86f5
14. 0x463370b8390b2f93f44023fe6ce3fd4ebff0a7fecb7894dd4f82f8253ec8661f
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af