Evidence row 2201204

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-metrics.x402tookit.com/language-guess"
    ]
  ],
  "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": "Guess whether text is English, Spanish, French, German, Italian, Portuguese, Dutch or Swedish, with a confidence margin.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "text": "El gato está en la casa y la niña come pan con mantequilla."
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:08:07.222Z",
              "code": "es",
              "confidence": "CONFIDENT",
              "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.",
              "language": "Spanish",
              "notChecked": [
                "languages outside the eight",
                "mixed-language text",
                "…2 more"
              ],
              "ranking": [
                {
                  "code": "es",
                  "language": "Spanish",
                  "score": 0.462
                },
                {
                  "code": "it",
                  "language": "Italian",
                  "score": 0.385
                }
              ],
              "reasons": [
                "Clear margin over the runner-up."
              ],
              "source": "computed locally",
              "summary": "Spanish (es): 46% of words are common Spanish words; runner-up Italian 38%.",
              "verdict": "CONFIDENT",
              "wordsAnalyzed": 13
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "text": {
                      "description": "Text, at least a sentence; up to 3000 characters",
                      "type": "string"
                    }
                  },
                  "required": [
                    "text"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "code": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "confidence": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "language": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "ranking": {
                      "items": {
                        "properties": {
                          "code": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "language": {
                            "type": [
                              "null",
                              "string"
                            ]
                          },
                          "score": {
                            "type": [
                              "null",
                              "number"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "wordsAnalyzed": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:08:30.954Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:08:30.8Z"
    },
    "resource": "https://text-metrics.x402tookit.com/language-guess",
    "serviceName": "Text Analysis Tools",
    "tags": [
      "text",
      "language-detection",
      "nlp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Guess whether text is English, Spanish, French, German, Italian, Portuguese, Dutch or Swedish, with a confidence margin."
}

What the leaf hashes

{"body":"def6f6766453cf9b31013d2047b8da5193f942179e4391b5b34c5d6d743d1648","id":2201204,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801269836,"prev":null,"subject":"x402_bazaar:https://text-metrics.x402tookit.com/language-guess","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. 0x36c54d3656034f6f988e7854e9ee88c0aed37dc51ace1bba8f086178beab83d7
2. 0x793d0ef179b73d2f7915f29462e3e3ecf8811d44d7478b5b1b405fed3a4eaddf
3. 0x597e4d717b57f3591c7d1a95307bdd790e0f01af8807e92f55fbc11ed2d75ee0
4. 0x40d322a8e0fd088ed09a749ae7a16d6444ecf9b8ef3b8cb8c1e630d2d4acc060
5. 0xa3210addb62b017ded26c4206fd663ffe6b521fb4ff175e5c66d4d347a02cf17
6. 0x2ba4ceb3be168d0e6cf0906be92069c59bc04318b0f0cd3418f1a9c44f039634
7. 0x9c514e42a99c3c93d4bb729da5c56eb14081f02cce97aa7f5736d864eb1d8304
8. 0x87455775d09f87266d69ad675375a1d1bbb91a80f2da3238bee037a65ceda93e
9. 0x77f1eabc4bce8b999955053df66255d12add5cbf113b0b518063057675669c93
10. 0xeff3417b40c3a2c36bef3fe3aa1b3ae96631af4135f96e58ce7549b825f27a50
11. 0xb13b84c12a02d0a8c81f9df5e2bee0e7fa42376f155b87a965b7c9d41b91da66
12. 0xf2afd692f9ecc84d8043fb7e2199fc37af44471368455fe6d2ad7651f20ae534
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af