Evidence row 555647

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://how.is/v1/domain/whois"
    ]
  ],
  "name": "how.is/v1/domain/whois",
  "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": "Registrar, creation and expiry dates, nameservers and status codes for a domain.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "_shape": "data.data.data: the parsed WHOIS/RDAP record (registrar, dates, nameservers, status)."
              },
              "receipt": {
                "charge_usd": 0.005,
                "rail": "x402",
                "settlement_tx": "0x…",
                "tool": "whois"
              },
              "result": "WHOIS / RDAP 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": "2026-10-27T19:58:27.524Z",
    "quality": {
      "lastCalledAt": "2026-10-27T19:58:27.524Z"
    },
    "resource": "https://how.is/v1/domain/whois",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Registrar, creation and expiry dates, nameservers and status codes for a domain."
}

What the leaf hashes

{"body":"d8b9d34ada217a25fd00bc8d346d314ec6d708a9ba90c37f20f991bc8501556f","id":555647,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133801017065,"prev":null,"subject":"x402_bazaar:https://how.is/v1/domain/whois","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. 0xc3b726dd9dc0556456343bf211a0d579a5aabf54b62aa262cce6a38acdad2996
2. 0xe3e46ddb197ebd25695f9345636f09b180840a29fc76e0926c78c5fd216cf08d
3. 0x25e3b5df27bd99d5c433b3b37c8447f6ea0169e8e2ce87a2c90e3921777e8384
4. 0x785a84da11ecea8158343bcf89f59c099c862e19a15563f0076cde3bf0a410fc
5. 0x001d20cbd43df53d480ffbad43a705d7cf09f3f136fdd4f21d97924e0b3c5d63
6. 0xefd06dd30c07d81c289322675e617acc883a141ae8e2f68e2ccf0aae4fee5daa
7. 0xce694a2d63ee309a436e3b98495caea773587c97271c29aff1bb321319f97df2
8. 0xdcfd2b39560c15de6afe962eed1ea73ee5248c08b5f9427f63270ddebce52699
9. 0x32092fef79b7e0bc39fad06c3e5a6640e151ef04931dbc7cc8db6ed2a783b3e6
10. 0xc9e21bdb5c28057e32655df6868cdd0379fa1da84b652c863ac4825f05a56ca9
11. 0x1508fd39a92015f2675aefede1d322b337358ef9cb1fdde46c7fa9276f6b3d5f
12. 0x09c148bbe62d15164b3840b798915bcd800d49ae022a1820cd04cc89b1b4e59a
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4