Evidence row 548746

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.lookproof.dev/v1/dns/lookup"
    ]
  ],
  "name": "Lookproof",
  "owner_address": "0x5be2be9f95549a2d69951d24a2b3901d1df1bc05",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05",
        "scheme": "exact"
      }
    ],
    "description": "Resolve chosen DNS record types (A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV) for a name through public resolvers, with TTL, observation time and the resolver that answered. Use when an agent needs the current public DNS answer for a name, for example to confirm that a record change is visible or to read a TXT verification record.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "name": "example.com",
              "types": [
                "A",
                "MX"
              ]
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "name": {
                      "examples": [
                        "_dmarc.example.com"
                      ],
                      "maxLength": 1024,
                      "minLength": 1,
                      "title": "Name",
                      "type": "string"
                    },
                    "types": {
                      "default": [
                        "A"
                      ],
                      "items": {
                        "enum": [
                          "A",
                          "AAAA",
                          "CNAME",
                          "MX",
                          "NS",
                          "TXT",
                          "SOA",
                          "CAA",
                          "SRV"
                        ],
                        "title": "RecordType",
                        "type": "string"
                      },
                      "maxItems": 9,
                      "minItems": 1,
                      "title": "Types",
                      "type": "array"
                    }
                  },
                  "required": [
                    "name"
                  ],
                  "title": "DnsLookupInput",
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T12:39:52.717Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T12:39:52.462Z"
    },
    "resource": "https://api.lookproof.dev/v1/dns/lookup",
    "serviceName": "Lookproof",
    "tags": [
      "dns",
      "lookup",
      "records",
      "ttl"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Resolve chosen DNS record types (A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV) for a name through public resolvers, with TTL, observation time and the resolver that answered. Use when an agent needs the current public DNS answer for a name, for example to confirm that a record change is visible or to read a TXT verification record."
}

What the leaf hashes

{"body":"5da5cca69800216fced84ae8a594b959648679a8567006660104706ba12e4cd2","id":548746,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133322043468,"prev":null,"subject":"x402_bazaar:https://api.lookproof.dev/v1/dns/lookup","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. 0x290b558bb32598bf76fd637c1ca19aee269d3d132bba71e050659d350a7d87c8
2. 0x42ebf933666c14637fba3fe55a7eaf96d2fab75a2d171d72ba514797ae244282
3. 0x440786732095a65f5b7044776e090dd3db208b7ea56ab06109a1c1b9e40a86be
4. 0xa0915cc0998fb1c9ff0e5d21c07c2b0d4bcfd3852fbec24212db76e431e9bbfa
5. 0xcf286adf0bf287b6145696057af9f3095f8fc9893561ab2885fac83d394f29d9
6. 0x0e4b0d064302055ae31a83ffa2116731e394b6e4d4773f16c4c2e3663d0b7611
7. 0xec349a6f2d55aea4931bf79997edaf73c42fad56f4571f0a6cf699e294da4c18
8. 0xaa20334abab3fed61e306767293e113b7b06188cc63660f57ae614d2e75b8df9
9. 0x2d6333e3620f52445fa8332fc770cff9ef3b36d0353b01b5be448037adfc6109
10. 0x119d4c62f2467379b4ad8ecee541493dc0dff08b8e9843267888bcc9adfb14af
11. 0x64977be4349e1af29930fcfd7d89ebbb219bc4a1a076ecb37395cda952cbeb6b
12. 0x53be2d72842ed384672ee78d06cbad599558474b78db9065a3b26f87d53522fa
13. 0x28be2f2303fcac4decdb6323b0f4ee8f8a31038beb758eaafc604a98626292e4
14. 0x8ff18b1523f9fbdd16a5796cbe184b46854c06256508af8de5509b598370c725
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4