Evidence row 2201197

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-similarity.x402tookit.com/fuzzy-rank"
    ]
  ],
  "name": "Text Similarity",
  "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": "Rank up to 50 candidates against a query by Jaro-Winkler, Levenshtein, Dice or cosine, best first, with scores.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "candidates": "John Smith|Jon Smythe|Joan Smart|Mary Jones",
              "query": "jon smith",
              "scorer": "jaro-winkler"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T00:50:06.869Z",
              "candidateCount": 4,
              "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.",
              "ignoreCase": true,
              "notChecked": [
                "meaning: ranking is by surface similarity only",
                "candidates over 50 or 200 characters are refused, not truncated",
                "…2 more"
              ],
              "query": "jon smith",
              "ranked": [
                {
                  "candidate": "John Smith",
                  "index": 0,
                  "rank": 1,
                  "score": 0.9733
                },
                {
                  "candidate": "Jon Smythe",
                  "index": 1,
                  "rank": 2,
                  "score": 0.9378
                }
              ],
              "reasons": [
                "Verdict bands on the top score: EXACT_MATCH_PRESENT at 1, STRONG_MATCH at 0.85 or more, WEAK_MATCH at 0.6 or more, otherwise NO_CLOSE_MATCH. The bands are a convenience, not a standard. Ties keep inpu…"
              ],
              "returned": 4,
              "scorer": "jaro-winkler",
              "source": "computed locally (algorithms as in the other endpoints of this shelf)",
              "summary": "Best of 4 candidates: \"John Smith\" at 0.9733 (jaro-winkler).",
              "verdict": "STRONG_MATCH"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "candidates": {
                      "description": "Up to 50 candidates separated by | or newlines, or a JSON array of strings; 200 characters each",
                      "type": "string"
                    },
                    "ignoreCase": {
                      "description": "true (default) lowercases query and candidates",
                      "type": "boolean"
                    },
                    "limit": {
                      "description": "Return only the top N, 1 to 50 (default all)",
                      "type": "integer"
                    },
                    "minScore": {
                      "description": "Drop candidates scoring below this, 0 to 1 (default 0)",
                      "type": "number"
                    },
                    "query": {
                      "description": "The text to match, up to 200 characters",
                      "type": "string"
                    },
                    "scorer": {
                      "description": "jaro-winkler (default), levenshtein, dice (character bigram set) or cosine (word counts)",
                      "enum": [
                        "jaro-winkler",
                        "levenshtein",
                        "dice",
                        "cosine"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "query",
                    "candidates"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "candidateCount": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "ignoreCase": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "query": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "ranked": {
                      "items": {
                        "properties": {
                          "candidate": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "index": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "rank": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "score": {
                            "type": [
                              "null",
                              "number"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "returned": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "scorer": {
                      "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": "2026-11-02T04:08:52.161Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:08:52.015Z"
    },
    "resource": "https://text-similarity.x402tookit.com/fuzzy-rank",
    "serviceName": "Text Similarity",
    "tags": [
      "text",
      "fuzzy",
      "ranking",
      "search",
      "matching"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Rank up to 50 candidates against a query by Jaro-Winkler, Levenshtein, Dice or cosine, best first, with scores."
}

What the leaf hashes

{"body":"569d8f62941b17764d9e278b27b7565c2fc30b9f96b8ceebf8924b4168a36bd7","id":2201197,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801250380,"prev":null,"subject":"x402_bazaar:https://text-similarity.x402tookit.com/fuzzy-rank","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. 0x9ba14f2bf0bed877b23cc6314e747e2953256975c40d678358f01f66a7bbb2b7
2. 0x2682478645e87ed5afe02c983f5c599efaee963efaf0116698aa5e041f2f1fda
3. 0xa566fc08e7f45c81bc773e205c60271b2250e0cb4df6accaf68bbc284334c5b6
4. 0x79230260e3851e28976c6c0aac54fd88b10897167091a4a41b76b330c5c432ed
5. 0x64e73af3d96237402830af6f44ce96f2e8d50b6751002b15ecc193a66df235c8
6. 0xc7f9fc197400ab4620f3954cccad7bda005a7dbe2aceb56d52c446fb97ab11a7
7. 0x276a8d293eb9ec4e39985e05a7ad913ae3e1885ce88d4844c9832c4084205321
8. 0x7850adc30a701fdb24e2e70b4956ac7c7c41344feb75b0f58c5295442769cb52
9. 0x8855e8e20d77a63ac47abf42c6f8cdbdf57d17fde4f71f3af8a2725ddb5c2638
10. 0x1f7569f9f17e4aa85793854a571293dae46d214bb6b0ad9b1d46e582ff0a4619
11. 0xc0e148a99c3bbe159cd02084a261ebbfa8cfd82e2a74c8645fa33330ef61785c
12. 0x44c6729e9895b3e93c9c4ab87dbe86c6aa44f0b1130e815e00f315920a4c640e
13. 0x13372d9573063408d81df51991faad9353f3d2ff284b3f6343d434448850fec0
14. 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af