Evidence row 2201975

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dev-utils.x402tookit.com/ics-event"
    ]
  ],
  "name": "Developer 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": "Build an RFC 5545 .ics calendar event from title, start, end, location, description; escaped and folded.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "description": "Agenda:\nroadmap, budget",
              "end": "2026-03-01T10:00:00-05:00",
              "location": "Conference Room - F123, Bldg. 002",
              "start": "2026-03-01T09:00:00-05:00",
              "title": "Team sync, planning; Q2"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "allDay": false,
              "asOf": "2026-10-21T15:48:32.438Z",
              "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.",
              "dtend": "20260301T150000Z",
              "dtstart": "20260301T140000Z",
              "filename": "event.ics",
              "foldedLines": 0,
              "ics": "BEGIN:VCALENDAR\r\nVERSION:2.0\r\nPRODID:-//x402-shelves//dev-utils//EN\r\nCALSCALE:GREGORIAN\r\nBEGIN:VEVENT\r\nUID:c16a9b9bb5d1374a01ca701f@x402-shelves\r\nDTSTAMP:20261021T154832Z\r\nDTSTART:20260301T140000Z\r\nDT…",
              "notChecked": [
                "recurrence, alarms and attendees (not offered)",
                "time zone names (a zoned time is converted to UTC; a zoneless time stays floating)",
                "…1 more"
              ],
              "reasons": [],
              "source": "computed locally",
              "summary": "Built a timed VEVENT \"Team sync, planning; Q2\" (14 content lines).",
              "timeKind": "utc",
              "uid": "c16a9b9bb5d1374a01ca701f@x402-shelves",
              "verdict": "ICS_BUILT"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "description": {
                      "description": "Longer text (DESCRIPTION)",
                      "type": "string"
                    },
                    "end": {
                      "description": "Same format as start; must be after start. Default: all-day +1 day, or +1 hour",
                      "type": "string"
                    },
                    "location": {
                      "description": "Where (LOCATION)",
                      "type": "string"
                    },
                    "start": {
                      "description": "YYYY-MM-DD (all day), 2026-03-01T09:00:00Z or +05:30 offset, or zoneless local time",
                      "type": "string"
                    },
                    "title": {
                      "description": "Event title (SUMMARY)",
                      "type": "string"
                    },
                    "uid": {
                      "description": "Stable event id; default is derived from the fields",
                      "type": "string"
                    }
                  },
                  "required": [
                    "title",
                    "start"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "allDay": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "dtend": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "dtstart": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "filename": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "foldedLines": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "ics": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "timeKind": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "uid": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:49:29.954Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T22:49:29.718Z"
    },
    "resource": "https://dev-utils.x402tookit.com/ics-event",
    "serviceName": "Developer Utilities",
    "tags": [
      "calendar",
      "ics",
      "rfc5545",
      "developer-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Build an RFC 5545 .ics calendar event from title, start, end, location, description; escaped and folded."
}

What the leaf hashes

{"body":"a2f432e2b683b13882b1b50468db7d458fe95dbee84bdf58cb7feb43c44146d1","id":2201975,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811095682,"prev":null,"subject":"x402_bazaar:https://dev-utils.x402tookit.com/ics-event","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. 0x83b9c8b742dc9baa3ae3c4d00d7e066dfcdb666ba3879701e4e13984b0466946
2. 0xc862502884576d345c748eea9310ea1e26537552f6dae3db9746613fddbbf6ac
3. 0x514e07e46abfb41adcf4266f38fde414102213255da51b3609e4dc51b3490bf5
4. 0x5a30c95d485e57f9897746b9a19a41a74aa50508aa8c793cbaccf5c88d8de04a
5. 0x73c3aefff23a64fbd33ff1e35a7919aab7c359fa32719df763617508933f556f
6. 0x7405fa1e7b49e1d6844cc34a3cf90161ac660e6782abca6719624f9c021bb49b
7. 0x8950142f6f2730107885990926d0a9764fb56485db59aef472eaf018d7612fb9
8. 0xe00e86e9c79f4134cf026145df0f7b37deb7139915d78925a247b5e4739b2c04
9. 0xa58c796a073b9d3c583d1daf0706386af1ecbeee265a0ffcc9205090d65f2cb2
10. 0xa7db5ac75e30baf0f4e7cc51f42b8a85925906f0bac3f41e7135baab61a052c6
11. 0x8a86ac563161489ff6b032a83c9abb8348ff47d52c0a1c3af9cb2637ffd25c9d
12. 0x9236ce44089e10e350435c01e569b60f72046bb5112e06356a17b8f3c0a940ee
13. 0xf82dc9b9d8e081f36e55e80fab45654768c11eb158257f63f8ca7ff17d181d54
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af