Evidence row 751980

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/domain/dnssec"
    ]
  ],
  "name": "how.is/v1/domain/dnssec",
  "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": "Whether DNSSEC is signed and validates for a domain.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data.data: isSigned, isValid, validationStatus, chainOfTrust, dsRecords, dnskeyRecords, errors, warnings, recommendations."
              },
              "receipt": {
                "charge_usd": 0.005,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "dnssec"
              },
              "result": "DNSSEC 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": "2026-10-27T19:58:45.787Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T19:58:45.556Z"
    },
    "resource": "https://how.is/v1/domain/dnssec",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Whether DNSSEC is signed and validates for a domain."
}

What the leaf hashes

{"body":"7742755dddbcb1a7b287b5b586b9d845359fdc948d6701d7cdeb9e722721fbbc","id":751980,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178798544845,"prev":555641,"subject":"x402_bazaar:https://how.is/v1/domain/dnssec","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. 0x042d58763993f7c06264900f1fc7079ae251f23174952b78ed462a86ddcb1714
2. 0xb7e3bbe016d5b6db53431ad8e836c4c60d36302d42ca04869f1602cf429eac53
3. 0x94c79f1e7d5ab214f4aef1fc04db49410973c5f35e7c6a74240d7b9feb9d012e
4. 0x83a784854a03b23f058b9bec1c88a0d7e9128c1948a9a3736f7bc0d272362df9
5. 0xf93d6ac2bac01af10d0fc74a9b82f3a2ad976a8df6243d552d783796d494edd5
6. 0xff34acd6c8289d6d92928e9f61e3707e5aa114dcb1ba9ecc1b4593449b9273fe
7. 0xe12e8c9caa21b312a185e4a0496f196b34afc2d3555e7d2691fe0b5bdcc5ea86
8. 0x3048c7ab23e734a582525b302373bb7519396170217ecd28d48f29e9731e82af
9. 0xa32725a6241709a7930adc67134431a3c69d0cfa3fb12a2ebd7dcb6bb5e2f8f1
10. 0xe3834e5c6f7a7bfc7e9a4dfabb8d25aec2bbb99a3486ecbf66e4ad3b52c1d2f3
11. 0xba8fc096b9df732730a181f7a1430d492a47e9ca8197d9859ec92b1e086bc639
12. 0x4ae338fa3fa21a954c13d3408e2ae6f6fa590f6c5b259c3be272c01c49d61dff
13. 0x2748717dc805010a80117b9368e06da73797779c05701bb29fa2d6d90fbc4b98
14. 0xf3fd571846115a5778f2f20ec53a7e9b272de5f8737a627379966b3745ad5e29
15. 0x2d4bed6c1c0f427d29eba935cdedcc76c72935d41919903a3b217a8ffca38438
16. 0x35e8995c30094446ec790423171382fccb377081b921295b0ae3840cc2c4f52c
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae