Evidence row 751978

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": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T19:58:54.809Z"
    },
    "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":"a1f77072a28228a7a53225c13e5a9fe8e1b9a9c64ddd785ae64d5bfb807d9129","id":751978,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178798536269,"prev":555639,"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 2026-10-28 (231336 rows).

1. 0x0a4a8ba85937d68ef01b7ecd9b401247b7f234c08965d7ba53a797ad2cc39e05
2. 0x38254b3abdfbd2a0fcca6a6a3f8181d398abc843263f1b9f3662a79d5fe5c89d
3. 0x590b0da1b9c0466ac6ec5ca09535b0b18b21d79c127168c21323445252c1a1a2
4. 0x0f30bb2f6ee47636f75b11755595554e49b309504685d29c4a2bdc71b5254309
5. 0xcdfcaca8b066e89cca943ffca647ca4177959f8f9fd47c31e417ad85d3731853
6. 0x709b9e7fdcea4ed4e73465624557194f98547789d2c5d3aa05d412f59f5ef377
7. 0x05f576fff4b9c20dda4c5ef2b49cac3de3c0c734ed4d0ea9c1fe8686f4e9431b
8. 0x71a21d83faf2c11374eb26defd4809ee8aa41d1c89923d813b7513213afbfa87
9. 0x41151c7c54a11b699bf6649fcad8f3a12ae4d2b01634a3fc8fd3ad8ed4d05ffb
10. 0x05197c939d4c6c49f3c7708a7bb77e07515d7fb1a6a9b1ec3c131329992ba806
11. 0x4d210edd6f867199ee905833c0fb4bc84afe1b2e4caf99577245327854330671
12. 0xc6db008f9caa956e46c5afc50a0312ef3bd8a43a6b7b8a76ceec0bf47046e170
13. 0x73d3610e2c08ca27a37c12207c5d9bd9e90f1ab1c3656d7edfb5cdf604e1958e
14. 0xd255034c045ff2574d11cb3757ffb240536c7380f2dfbe54e8a41bd8797bd254
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae