Evidence row 2201832

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://units-convert.x402tookit.com/roman-numerals"
    ]
  ],
  "name": "Units and Conversions",
  "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": "Convert between integers (1-3999) and Roman numerals, and check whether a Roman numeral is written in canonical form.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "value": "1994"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:01:05.982Z",
              "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.",
              "integer": 1994,
              "notChecked": [
                "numbers of 4000 and above (no standard notation)",
                "historical variants such as IIII"
              ],
              "reasons": [],
              "roman": "MCMXCIV",
              "source": "computed locally",
              "summary": "1994 = MCMXCIV.",
              "verdict": "CONVERTED"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "value": {
                      "description": "An integer 1-3999 or a Roman numeral such as MCMXCIV",
                      "type": "string"
                    }
                  },
                  "required": [
                    "value"
                  ],
                  "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"
                      ]
                    },
                    "integer": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "roman": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "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": "2026-11-01T23:24:04.007Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T23:24:03.831Z"
    },
    "resource": "https://units-convert.x402tookit.com/roman-numerals",
    "serviceName": "Units and Conversions",
    "tags": [
      "roman-numerals",
      "numbers",
      "conversion"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Convert between integers (1-3999) and Roman numerals, and check whether a Roman numeral is written in canonical form."
}

What the leaf hashes

{"body":"92caad772e7fe7779b9242d681f5dfa45c732b794b2aa02c9ce94b3408062e31","id":2201832,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646809067031,"prev":null,"subject":"x402_bazaar:https://units-convert.x402tookit.com/roman-numerals","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. 0x8eb011d56498516e5119a3f504dafe96ebe1f8e7f6d3a7aa1887ded6f85c8741
2. 0x27840d1f83f1ab1f420b4b1abca7e8401cfdd8747949ad9e8f529833064578e3
3. 0xd4ea0adaa40c0c470c79c5df95bc8708a8442c97dc28854acd10acba5b0260b8
4. 0x7b740dff138360bf6e218427a61d04c37a76e07510958565a79d2d783274b24d
5. 0xc400fd9c05639d16746c083e09409aa4eb1f1c6558880872c86299307cff34d8
6. 0x6e7c17eac3ceb00b2a1866d948150f244ef7d8c781b87a3ac69a87e984a06588
7. 0x6a028ae3fad5c65163d7721be5e779ee9632c7303ade6a3d6848c65d8647577b
8. 0x4673688d5206318d8caed4b827a5deec5f31820b105ccfc678452d9c7bd08beb
9. 0x5625967924dea6545f0d458f121b5f050dba75847c0cbd1e25440239795a7d67
10. 0xcc309ee9cd8c6196e8ac9e8b70fe7135bd69f90d9eda50f1fb80d6f22582e524
11. 0x2f63c8966fc2b671d4c4115d1d87977e70b5c16399390b231817b1ea38ec0442
12. 0x0a1171d423b8986d66fcb09b500ee0cce0433114096ff8bca257f6b3431db17f
13. 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af