Evidence row 548942

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.strale.io/x402/dns-lookup"
    ]
  ],
  "name": "api.strale.io/x402/dns-lookup",
  "owner_address": null,
  "raw": {
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Look up a domain's DNS records (A, AAAA, MX, NS, TXT and CNAME), with SPF and DMARC picked out.",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "32400",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "base",
        "outputSchema": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "queryParams": {
              "domain": {
                "description": "Domain name (e.g. example.com)",
                "required": true,
                "type": "string"
              }
            },
            "type": "http"
          },
          "output": {
            "a_records": {
              "type": "array"
            },
            "domain": {
              "type": "string"
            },
            "has_dmarc": {
              "type": "boolean"
            },
            "has_spf": {
              "type": "boolean"
            },
            "mx_records": {
              "type": "array"
            },
            "ns_records": {
              "type": "array"
            }
          }
        },
        "payTo": "0x66D7C2F952362BFB24FD7F02a9beC9c754ea83bC",
        "resource": "https://api.strale.io/x402/dns-lookup",
        "scheme": "exact"
      }
    ],
    "description": "Look up a domain's DNS records (A, AAAA, MX, NS, TXT and CNAME), with SPF and DMARC picked out.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": {
                "description": "Domain name (e.g. example.com)",
                "required": true,
                "type": "string"
              }
            },
            "type": "http"
          },
          "output": {}
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T15:50:37.893Z",
    "quality": {
      "l30DaysTotalCalls": 23,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T15:50:37.706Z"
    },
    "resource": "https://api.strale.io/x402/dns-lookup",
    "type": "http",
    "x402Version": 1
  },
  "source": "x402_bazaar",
  "summary": "Look up a domain's DNS records (A, AAAA, MX, NS, TXT and CNAME), with SPF and DMARC picked out."
}

What the leaf hashes

{"body":"fa7441f03e6416f86cc2e03eb3f563ab541fe4344b9289f7bfc9b42965e65378","id":548942,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133334307206,"prev":69122,"subject":"x402_bazaar:https://api.strale.io/x402/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. 0xca157aa6b4246c5ec6605f4ea36aa2da01ce164c0b1b23373b27a00ff49d9e32
2. 0x149ac5e537dcb1f60d1604c3a4e6ce8fe2e1267c6c8f16ca5e39ac0a8fcf58a7
3. 0xdfdbc8fbb6a0d13d09f632c6cd4d950f992e4f650edab4e92d465dc8d5ea6421
4. 0x96a4ed21996c0e74a462a4558f591f03b4d49f8726abe4342a2887341d39e108
5. 0x982888f1435b210736e5545f12f60880d73af09a7efedb3e147682fc78b311ac
6. 0x02e51177d27538e6ec6673d7f6d6fc7b240f113cc836af62a27dfd3ab80b93f0
7. 0xb8633d16b8732d5588f2298f0164bc289405edced6219e40fc76dd664300dde4
8. 0xa331cb644b8230d523640e155ef0cdcdc067e81d423064b41fa66fcd5fc71dc9
9. 0xfba10b42f7eb85eb170ce9ad5f6de0884a390a5fbab04ef5c9553aee7ea65194
10. 0x70be1cb0b69928aef504db8bee443a45d3f70036499af4631a01b842ed767c17
11. 0x031a5189f3cedc6cdc917093e3bc1856d6d43693459685f550cf8d6caf1cc0a8
12. 0x7142f07ffeddbd14ceabecb9ab27a468e9ab58a2fca5472c5c6a93f3e98f173e
13. 0x938752e9acd199cd15f468392bc2dd8eefc52293e7144e30b87b241ca6b2513b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4