Evidence row 2201193

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://text-similarity.x402tookit.com/metaphone"
    ]
  ],
  "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": "Original Metaphone (Philips 1990, not Double) phonetic key of an English word, with optional second word to compare.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "other": "Night",
              "word": "Knight"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-12T00:50:07.935Z",
              "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.",
              "key": "NT",
              "notChecked": [
                "Double Metaphone and Metaphone 3 are different algorithms with different keys",
                "the published rule list is incomplete; the resolutions used are listed in the answer's reasons",
                "…1 more"
              ],
              "other": "Night",
              "otherKey": "NT",
              "reasons": [
                "Variant: original Metaphone. Resolutions: duplicate letters collapse except C; initial KN GN PN WR AE drop the first letter, X becomes S, WH becomes W; digraph H consumed in CH SH PH TH GH; lone H kep…"
              ],
              "sameKey": true,
              "source": "computed locally (original Metaphone, Lawrence Philips 1990, public rule list)",
              "summary": "Knight is NT and Night is NT: same key.",
              "variant": "original-metaphone",
              "verdict": "SAME_KEY",
              "word": "Knight"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "other": {
                      "description": "Optional second word to compare keys",
                      "type": "string"
                    },
                    "word": {
                      "description": "An English word or name, up to 200 characters (letters only are used)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "word"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "key": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "other": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "otherKey": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "sameKey": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "variant": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "word": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:09:02.506Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T04:09:02.359Z"
    },
    "resource": "https://text-similarity.x402tookit.com/metaphone",
    "serviceName": "Text Similarity",
    "tags": [
      "text",
      "metaphone",
      "phonetic",
      "english",
      "names"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Original Metaphone (Philips 1990, not Double) phonetic key of an English word, with optional second word to compare."
}

What the leaf hashes

{"body":"2cd41a24721b4cfc40ee4c91152cfc628404ac8d0da34d1a829ac9deac67f7ee","id":2201193,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801238456,"prev":null,"subject":"x402_bazaar:https://text-similarity.x402tookit.com/metaphone","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. 0x179c1b0937f6852e67adfba38e7817e751ff7acd8a39afee0a7e40fc3b76e49c
2. 0xfc4088091548f5b74cb0a58bf49a71fd36e09fc7144c988789f6b0e4aa79d609
3. 0xdb42cca4cae733815852da071a1296c5f43f6ee87bf958f79c23ad3548a79cf2
4. 0x9244c43c9e1bbad3ba6dc9a0856540f5314554db4161fbda2c91b996c863c9bf
5. 0xcf284b3a9b07baefbc26bb8f75e6732581f3198f484de9bcb0e57c0cf939afdb
6. 0x3587a076df391520804b3ad5d6a2fcb7a0e6d97df08248bfd71729ff70023d9d
7. 0xe74c44b009c0188e698aef906f7d54293cfb25f9993aa746c9bfcb79d980c84b
8. 0x196109fa60e71fe38dd9010052cf305aea730772240d5ed1e7cb91281280d6c2
9. 0x9d2cc733542a217d42127562b2da790155da840dab2884807f7f25e5df05e7f7
10. 0xbe6f43271d7faccb56f0b848e5d3a63f63527fc51712daf26988be2cc089cc85
11. 0x499b5d7a70a8f1600c1aacb33fefaac82dee322d227f7ffe6f03567c3573b00d
12. 0x1dc8ba8f08085ecc6abc940de99fd78b8c8285acc2d6e3ac9b076bf78b1fc1bb
13. 0x3c6bb4ee00210310afea4db77a3d5e14b8fbfec0b426541034734f028665bbb4
14. 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af