Evidence row 555639

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/domain/security-score"
    ]
  ],
  "name": "how.is/v1/domain/security-score",
  "owner_address": "0xa76a0e93c5af3fd43521300b0a58ef5f70fc44f6",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xa76a0E93C5af3fd43521300B0a58eF5F70fC44F6",
        "scheme": "exact"
      }
    ],
    "description": "A letter grade and point score for a domain security posture, with the scored items behind it.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data.data: grade, overallScore, maxPossibleScore, categories[] of scored items."
              },
              "receipt": {
                "charge_usd": 0.005,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "security-score"
              },
              "result": "Security score for the requested subject"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "domain": {
                      "description": "A bare domain name, e.g. example.com",
                      "maxLength": 253,
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T19:58:55.141Z",
    "quality": {
      "lastCalledAt": "2026-10-27T19:58:55.141Z"
    },
    "resource": "https://how.is/v1/domain/security-score",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "A letter grade and point score for a domain security posture, with the scored items behind it."
}

What the leaf hashes

{"body":"2f6e69cfe14e5fd4a722b492f567041bf350fda878f888828859ec4aedf55fe8","id":555639,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133800998685,"prev":null,"subject":"x402_bazaar:https://how.is/v1/domain/security-score","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x68b454b477c4bc26b32d6c82e6d8e02a275b5bc3843145fd51dd1761599895ad
2. 0x596be561e239d1eace2df1f376ad10db0f7dbeda048015856c16c5ab11e80e69
3. 0xdd59adf2deb082c5c4137d1f4469a40ddfd857d51d2fc1f4c8b831ae5a33e639
4. 0x4dc2ff253f3b94d77957fab74289f634b6e0e5deb8cbdab0a94a0ecfdfd4a034
5. 0xa4a69a140589e74115c351dad4d0eb5ca7864e114267bbc4628a3ff6975d90eb
6. 0x14430840107cc9069ae10dc98cdd5eed1f272f645c25dc9a67a5cf0ac24f1585
7. 0xef1da23eea2665dafe8fa17addaf25e96badb100704dbb2acc3673bbe84f8f46
8. 0x92ccbc89f5d817ba9c25242379e9e3a4540e5722013eeed423888f162574d89e
9. 0xa92cf4bdbef6aa0308726d7e56655899495da465050674bdd0fc447e2f65b578
10. 0x00ee4ec221924673fa6acf662f12cf709c2f0ca6c815942293292e8811f4ea9d
11. 0x3b2482479d5e8e62d596166a26d5feccca7716478708e2d2eb271e54277db5ce
12. 0xff1b653b4de97259c183e79b75886676f24cb64cb6bbe1a90b1639f9b46e2c0b
13. 0x927616fada4e04588c09f6e02e8f6e3a1351bac8355e394da3bd0bf249a5c503
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4