Evidence row 2201205

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-metrics.x402tookit.com/keyword-extract"
    ]
  ],
  "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": "Top keywords and two-word phrases in an English text by frequency after removing stopwords, with counts and share.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "n": 6,
              "text": "Solar panels convert sunlight into electricity. Solar energy is clean, and solar panels last decades. Battery storage makes solar energy available at night."
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T04:08:06.959Z",
              "contentWords": 19,
              "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.",
              "keywords": [
                {
                  "count": 4,
                  "sharePct": 21.1,
                  "word": "solar"
                },
                {
                  "count": 2,
                  "sharePct": 10.5,
                  "word": "energy"
                }
              ],
              "notChecked": [
                "meaning (frequency only, no semantics)",
                "languages other than English",
                "…1 more"
              ],
              "reasons": [
                "Frequency of non-stopwords; no semantics or stemming."
              ],
              "repeatedPhrases": [
                {
                  "count": 2,
                  "phrase": "solar panels"
                },
                {
                  "count": 2,
                  "phrase": "solar energy"
                }
              ],
              "source": "computed locally",
              "summary": "Top keywords: solar (4), energy (2), panels (2), available (1), battery (1); repeated phrases: solar panels, solar energy.",
              "totalWords": 23,
              "uniqueContentWords": 14,
              "verdict": "KEYWORDS_FOUND"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "n": {
                      "description": "How many keywords, 1 to 25, default 10",
                      "type": "integer"
                    },
                    "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"
                      ]
                    },
                    "contentWords": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "keywords": {
                      "items": {
                        "properties": {
                          "count": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "sharePct": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "word": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "repeatedPhrases": {
                      "items": {
                        "properties": {
                          "count": {
                            "type": [
                              "null",
                              "number"
                            ]
                          },
                          "phrase": {
                            "type": [
                              "null",
                              "string"
                            ]
                          }
                        },
                        "type": "object"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "totalWords": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "uniqueContentWords": {
                      "type": [
                        "null",
                        "number"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:08:28.426Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:08:28.174Z"
    },
    "resource": "https://text-metrics.x402tookit.com/keyword-extract",
    "serviceName": "Text Analysis Tools",
    "tags": [
      "text",
      "keywords",
      "nlp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Top keywords and two-word phrases in an English text by frequency after removing stopwords, with counts and share."
}

What the leaf hashes

{"body":"7969fac14cf58f38e084d99e27838bf0d59c86a38b8a86221d5358690f759890","id":2201205,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801272598,"prev":null,"subject":"x402_bazaar:https://text-metrics.x402tookit.com/keyword-extract","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. 0xb34e1128e7ef232acb3499e9c608a095d35325256a3c40a9155fb8077e3f88a0
2. 0xff759101e82cc3102ec6fb03f67b73521cecea19b18a019fcc77751d6aaabb10
3. 0x3449a22e590041e9c382ccf0473d61b02cc3e898840470c3683a67d04d35ebb8
4. 0x7dcbad8f49382761c20892095bd5285537f35283c2b18a80ae16bc71983fcb93
5. 0x29f66554d6d7f40dfe5f367bd0f03fdec3610ddf8f9761cc802d39087e1dbeed
6. 0xdcd0481f996b6eb53d7800dc5e8f5a69f1d76abc2e58462ce75aa4a04c89c9c2
7. 0x840f2b401b495e04bdf97f5794586b4e240ce945539f3cf77f36a659f17939b6
8. 0x53293fca388ad08d0e09afad30b685ff34b05b2d2338bad68225100156d46fb3
9. 0x40421b584d96b6fedae5158fc1aed22bba4aa0dbc158debba083c1f9b3814ca9
10. 0x2cc4c008ac042414c1435e18b8967a8951803a3709e80e1755e72b47643d44f0
11. 0x3d936bbe0e752d535f9e93fbd9c9a8e9f48bd07731621d6903f9ddc4201a8ee0
12. 0x21e290c87b8dfbee1c890c9b97a09ed0f5503884eaeabff86472db1c091c14cd
13. 0x8f3b097427a1bfae26e9231cb5b00552011a27ad93aa4c0d3e267190fcbbb962
14. 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af