Evidence row 2201200

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-metrics.x402tookit.com/text-similarity"
    ]
  ],
  "name": "Text Analysis Tools",
  "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": "Similarity of two texts by edit distance, word overlap (Jaccard) and cosine, with a same, similar or different verdict.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "a": "kitten",
              "b": "sitting"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:08:08.255Z",
              "cosineWordCounts": 0,
              "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.",
              "editSimilarity": 0.5714,
              "jaccardWords": 0,
              "lengths": {
                "a": 6,
                "b": 7
              },
              "levenshteinDistance": 3,
              "notChecked": [
                "meaning (two sentences can mean the same with no shared words)",
                "languages: tokenization is Latin-script words"
              ],
              "reasons": [
                "Levenshtein distance 3 edits between 6 and 7 characters."
              ],
              "source": "computed locally",
              "summary": "Edit-distance similarity 57.1%, word overlap 0%, cosine 0%: similar.",
              "verdict": "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 1500 characters)",
                      "type": "string"
                    },
                    "b": {
                      "description": "Second text",
                      "type": "string"
                    }
                  },
                  "required": [
                    "a",
                    "b"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "cosineWordCounts": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "editSimilarity": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "jaccardWords": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "lengths": {
                      "properties": {
                        "a": {
                          "type": [
                            "null",
                            "number"
                          ]
                        },
                        "b": {
                          "type": [
                            "null",
                            "number"
                          ]
                        }
                      },
                      "type": [
                        "null",
                        "object"
                      ]
                    },
                    "levenshteinDistance": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "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": "2026-11-02T04:08:42.399Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:08:42.228Z"
    },
    "resource": "https://text-metrics.x402tookit.com/text-similarity",
    "serviceName": "Text Analysis Tools",
    "tags": [
      "text",
      "similarity",
      "dedupe"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Similarity of two texts by edit distance, word overlap (Jaccard) and cosine, with a same, similar or different verdict."
}

What the leaf hashes

{"body":"372608173ba4b74f65bcb5d57dfe3987fdc4e0905d1d1e7a2f504706c4daeb84","id":2201200,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801258433,"prev":null,"subject":"x402_bazaar:https://text-metrics.x402tookit.com/text-similarity","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. 0x87d99c6d20138d6e2403af7c15ba968ff15917f8efd22f20b654bfeaf3631157
2. 0x50427c336673fbb875bd243a76fe07f357b0c1ef72a0c01356e9bc9948c352fc
3. 0x0c80c3c09b0970edd0504de43a49eea4982c1f43bcb6cd65970cd289e060da46
4. 0x8ff9c7d4fe42653b982d7d84fe7eddaa86e42ea9b8ca8888f36ca8815341469e
5. 0xcb8d43354a9c1d2d79c2eb0db3999d1300b508f55641aafb80562821bd1ef40d
6. 0xac951084b19530ef1d2bd3253a57b018643b6d762032a2612f11f460f9502858
7. 0x037d6edc7705e6e005e68e842c3bd813e385627ee59151af3c4fa6e1bc60f9df
8. 0xb2a242f62f15ae6ba28782ec23ce5610a177ce086d551a0049eeda5f1ee5aa68
9. 0xab6e7350c936e3fce45aeb56a836194fd2f7827ea6f3a39c54f6ce54d083bb30
10. 0x85123dddb4af3af814b14b1599ed1ee5dc736e48915a1e13d2b44f1ece9c0c4c
11. 0x48a7d8a73ff3af602180450d457064aad27e3295ef431b56a3513d559fcaebb0
12. 0xb29458b26be0efcbcc070d6949659b739465d717f9b08a7e55e19441848f2850
13. 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
14. 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af