Evidence row 2201202

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-metrics.x402tookit.com/readability"
    ]
  ],
  "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": "Readability of English text by Flesch ease, Flesch-Kincaid, Gunning fog, SMOG, Coleman-Liau and ARI, with a consensus grade.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "text": "The cat sat on the mat. It was a warm day, and the cat was happy to rest in the sun."
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:08:07.744Z",
              "automatedReadabilityIndex": -2.5,
              "colemanLiau": -1.54,
              "consensusGrade": 0.26,
              "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.",
              "fleschKincaidGrade": 0.87,
              "fleschReadingEase": 107.55,
              "gunningFog": 4.2,
              "longWords3PlusSyllables": 0,
              "notChecked": [
                "languages other than English",
                "meaning, tone or correctness",
                "…2 more"
              ],
              "reasons": [
                "21 words, 2 sentences, 10.5 words per sentence, 1.05 syllables per word.",
                "Plain-English guidance aims for a grade level of 8 or lower for general audiences."
              ],
              "sentences": 2,
              "smog": null,
              "source": "computed locally",
              "summary": "Flesch reading ease 107.5 (easy); consensus grade level 0.3.",
              "verdict": "EASY",
              "words": 21
            },
            "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": "English text, 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"
                      ]
                    },
                    "automatedReadabilityIndex": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "colemanLiau": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "consensusGrade": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "fleschKincaidGrade": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "fleschReadingEase": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "gunningFog": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "longWords3PlusSyllables": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "sentences": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "smog": {},
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "words": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:08:36.976Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:08:36.808Z"
    },
    "resource": "https://text-metrics.x402tookit.com/readability",
    "serviceName": "Text Analysis Tools",
    "tags": [
      "text",
      "readability",
      "flesch"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Readability of English text by Flesch ease, Flesch-Kincaid, Gunning fog, SMOG, Coleman-Liau and ARI, with a consensus grade."
}

What the leaf hashes

{"body":"305601554f7c8d28a1ca4fcd7571949ce6f759f4dcea813db8d613c69dfd313d","id":2201202,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801264122,"prev":null,"subject":"x402_bazaar:https://text-metrics.x402tookit.com/readability","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. 0x11bdfad40f7980d387779116bc076d4f7f9c01ebf190f891f1eedcbea65aac60
2. 0x29ec11ce4fac12836f090ff356c5ed3f56693e73fda2c8822c9b15ccf026012f
3. 0xb6bac771e13acdf61c550da2cbac7ed314d723a9dbda3204018e30f69267c162
4. 0xf189f2c028987be161c0d59b17d1ffe36f921d868572c58edd9b16b35dd8d68d
5. 0xe947e80fcee8f8243bff0bbf0d45ff4a92a8e57f0b8989f1c8e127e50117fcd7
6. 0xf5b01a2459515bd353ea5762e3250d6e0b290751146033a943cbc7c5ecdfe260
7. 0x5df46025473bda21fbffd0b422f5f194ddbda1f0d9d5dc0c134899e071518ca4
8. 0x0c4fe19a9d8c5b75786e3976103bc2ed5a572b16b186bddd427d582222d693aa
9. 0xce1a70894a6396c825da99e61d3a83b58928c68bb1dce317bf0d39fbe4383d8d
10. 0xdc5b49040e4d8c91ff4008ef569509c8baa967e76ecd771b6c700584022ddcfa
11. 0xc43c1c013f5e56c337f5efc978b1280f7f7d3af4fc0124b095e1d338003f2da2
12. 0x74e0d631b606ef854cf5ee37e8a4af7452fcdd0b8dce7d3646c83926c6ab1fd5
13. 0x51686476d83f4be87192f4eeb7ac78473591bfaf5a92a1822648fcb019a95a83
14. 0x9914dfe331775bd1714304f757d2b6b43ba45167245d645ce50f54a3d8617c4d
15. 0xd82979c12a2aae44121bb6058b3364b3a3cbc9be411e35ab0208df5ed56f65d4
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af