Evidence row 2201198

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-similarity.x402tookit.com/edit-distance"
    ]
  ],
  "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": "Levenshtein and Damerau-Levenshtein edit distance (restricted and unrestricted) between two texts, with a 0 to 1 similarity.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "a": "kitten",
              "b": "sitting"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T00:50:06.605Z",
              "damerauOsa": 3,
              "damerauUnrestricted": 3,
              "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": false,
              "lengthA": 6,
              "lengthB": 7,
              "levenshtein": 3,
              "notChecked": [
                "meaning: edit distance counts character edits, not whether two texts mean the same",
                "grapheme clusters: compared by Unicode code point, so an accented letter written as two code points counts as two",
                "…1 more"
              ],
              "reasons": [
                "Verdict bands on Levenshtein similarity: IDENTICAL at distance 0, CLOSE at 0.8 or more, PARTLY_SIMILAR at 0.5 or more, otherwise DISTANT. The bands are a convenience, not a standard."
              ],
              "similarity": 0.5714,
              "source": "computed locally (Levenshtein 1965; Damerau 1964; Lowrance and Wagner 1975)",
              "summary": "Levenshtein distance 3, similarity 0.5714 (lengths 6 and 7).",
              "verdict": "PARTLY_SIMILAR"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "a": {
                      "description": "First text, up to 2000 characters",
                      "type": "string"
                    },
                    "b": {
                      "description": "Second text, up to 2000 characters",
                      "type": "string"
                    },
                    "ignoreCase": {
                      "description": "true to compare case-insensitively (default false: Kitten and kitten differ by 1)",
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "a",
                    "b"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "damerauOsa": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "damerauUnrestricted": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "ignoreCase": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "lengthA": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "lengthB": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "levenshtein": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "similarity": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "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": "2026-11-02T04:08:49.634Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:08:49.409Z"
    },
    "resource": "https://text-similarity.x402tookit.com/edit-distance",
    "serviceName": "Text Similarity",
    "tags": [
      "text",
      "levenshtein",
      "edit-distance",
      "damerau",
      "similarity"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Levenshtein and Damerau-Levenshtein edit distance (restricted and unrestricted) between two texts, with a 0 to 1 similarity."
}

What the leaf hashes

{"body":"f81a2227f7659bd49d1d30e0aa472faed5eb3d01be83ae3331a5da4d02a268a1","id":2201198,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801252968,"prev":null,"subject":"x402_bazaar:https://text-similarity.x402tookit.com/edit-distance","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. 0x0cbfe0ef104a841355f0dbd2f099b288242b855b4c65c5c8fbc33a70c2872b74
2. 0xf0525307d98d7bd7f854af2208a4add928f4c26ee62fdc7106d5046adcccb778
3. 0x3043794b93dbe90e3cb15579c5ba964bf7c2ef29e71cd68aca8269e2be9b88cb
4. 0x2bd0b49d82763fa17ad047b4b254ab607c9c4ac804f9b78dac1f80a4fc4c5daf
5. 0x1afe7efaafea378a8747a5ccf258d2f72b6195f127f9b6ffc8476f8032e82543
6. 0x2003343a2f384250f58418f64ef0533f97db2f880654ccb7e9ff2f9df371a320
7. 0xbecdb114b470e27b3f10cc34ee561a932ff2f53cfb98d56ed98c56cb5ead6171
8. 0xc63f240778bfb57cc56a7fa145132144e82ce6f596df260301e6591b1c487aab
9. 0x6d6f22852ac3b9adf3911a47039c43339f1f65ab6ba81b3880a34758278fbdc6
10. 0x499100c6cd74b9f2aadc9b2bbeef4589be380151426be93d9e83cf7d0fc320e3
11. 0x08651a8f1f24d751e6b14854a0081bba02ab929e8ca73bfd0fa8a4326183596c
12. 0xaa94317dc89f969785a54ece6cf62c867073c54f5f285f0a61c8cf9c78f4f2ef
13. 0x21862012011e9c7bd96b9da5758a45e44049f740c8ef1f280b01bc054552ce7e
14. 0xdd12fe6a2b0c972fe8b92369b1535a7d883c9e1085b61ddaf4130d8880afad75
15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af