Evidence row 121370

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://similarity.openverbs.com/v1/dice"
    ]
  ],
  "name": "similarity.openverbs.com/v1/dice",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "a": "example",
              "b": "example"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "a": {
                      "description": "First string.",
                      "maxLength": 20000,
                      "type": "string"
                    },
                    "b": {
                      "description": "Second string.",
                      "maxLength": 20000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "a",
                    "b"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:13:48.641Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:13:48.499Z"
    },
    "resource": "https://similarity.openverbs.com/v1/dice",
    "tags": [
      "sorensen dice coefficient",
      "dice similarity api",
      "character bigram similarity",
      "bigram text comparison",
      "word order tolerant match"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits."
}

What the leaf hashes

{"body":"30d248be2a093bcdefe3bb3bdf3190956f08bf6b574537161ac108da651eebc2","id":121370,"kind":"listing","method":"baseline/1","observed_us":1793025619814265,"prev":null,"subject":"x402_bazaar:https://similarity.openverbs.com/v1/dice","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x446ea8b5fa76dcd481f0b37d8379722c5543142e3abc29d470de2c7b4fe27c11
2. 0xe8e2f30b0f06c192ea4652f895f1145507eecca7aa333f8884c6724c38514d32
3. 0x29a975b9fb8a61540c259b70ba62bdae5c25c04b87a4f61e6d0c0c90fda01f01
4. 0x190604ee229ecd57b10a65c6a680e4061a5b9ca65d5bc22ad324ce95519ab923
5. 0xc8608134cb62be12f9b9db5557dcf453e8bd3cb7d72260e4c43ccd18064c1cc4
6. 0x43f465ed633aa0ae2e6ba15e2f5f99add090edf6c923d1eefa7d04011a3fe4a9
7. 0x5c950b4773bd3d5fab7b5551d6bd063f9ec16381eafe4246248e18e18f03f568
8. 0x515514048f56b10a26f79dbde652a71e08502bbef21111e097a0364c0b900be3
9. 0x976630b1189e6cd66fa7bed3075315f618ec08e36f127a7694c1ea9c4a0083de
10. 0xde181bf1fcb403c809d49f37f3f74a5547c660ce89eda5bb438ddeecff34c900
11. 0x1204d0e3e739db3e40f40f102e1314028f064872da22239d712e0ef4cff7deed
12. 0x2b1b47804e83988d7fd5ed8179b2334f3f43b318109b54142f6c6bd749076f9e
13. 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae