Evidence row 1039488

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dns-intel-api-production.up.railway.app/dns/reverse"
    ]
  ],
  "name": "dns-intel-api-production.up.railway.app/dns/reverse",
  "owner_address": "0xffc458db291b4abce020fe3de4f91f2770e537b1",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1",
        "scheme": "exact"
      }
    ],
    "description": "Reverse-DNS lookup for an IP: PTR record plus a best-effort list of other domains hosted on the same IP.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "ip": "1.1.1.1"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "hackertarget_error": null,
              "ip": "1.1.1.1",
              "other_domains": [
                "one.one.one.one",
                "1dot1dot1dot1.cloudflare-dns.com"
              ],
              "other_domains_count": 2,
              "other_domains_source": "hackertarget.com (free, ~100/day per IP)",
              "ptr": {
                "aliases": [],
                "primary": "one.one.one.one"
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "ip": {
                      "description": "IPv4 or IPv6 address to reverse-resolve, e.g. '1.1.1.1'.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "ip"
                  ],
                  "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": {
                  "properties": {
                    "hackertarget_error": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "ip": {
                      "type": "string"
                    },
                    "other_domains": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "other_domains_count": {
                      "type": "integer"
                    },
                    "other_domains_source": {
                      "type": "string"
                    },
                    "ptr": {
                      "description": "PTR result: primary hostname and any aliases.",
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T11:31:43.717Z",
    "quality": {
      "l30DaysTotalCalls": 19,
      "l30DaysUniquePayers": 7,
      "lastCalledAt": "2026-10-29T11:32:14.593Z"
    },
    "resource": "https://dns-intel-api-production.up.railway.app/dns/reverse",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Reverse-DNS lookup for an IP: PTR record plus a best-effort list of other domains hosted on the same IP."
}

What the leaf hashes

{"body":"e37ec8994ea3e0cf6b62bcccf5271ec4471ffd5d9aa47f834d383e0a0f673da8","id":1039488,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298329868763,"prev":73520,"subject":"x402_bazaar:https://dns-intel-api-production.up.railway.app/dns/reverse","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xc61f8d2a37f43f97702486b85cc0552fe4d9d72fa4b106d8d8ff71c0bc58f4a5
2. 0x1eab9c32497470a2d105092552b8ecff7e9fb3edf915e1fb3a2d6329df89deaa
3. 0x6080b6b9202e689e91bd373659596ad3d006ef8ba43e6d9f2de1d16b9504dec9
4. 0xac3655ceeb78f1fc5f2bae7bbae667ea804adb330c5e62f7d55443acec5b9c13
5. 0x5615bb52598f3b2e8b17e966a84b08141a4e0afcd9916bb48b2fc57fb2f0a5e2
6. 0xf5a1a0e9986825138634e47584df7432b183a5e63a3612cca90a27561a60fc85
7. 0x8ed93ea304f89fa50e39c48377a72a642f5ae2b419961ffa69448ea762ec0d14
8. 0xd6e4f291ebe049611be13793db0c5eb1da4826e24304840a23589902f1df34cc
9. 0xcedd98d8f98d87c2a8d9a744a3b058d8bf80ea16cf3c506d38535db74fd30a6f
10. 0xdf3c038073a79e8f97311b1c587c1d7c7643d686db27ed2061f5adf587f2bed8
11. 0x2fd59a82419d2ef40aaea20edc630d2ab2e77ee46f871aed21d08da6a61e15cd
12. 0xc17b3a2fd1cc935170fb8b27356606841adb83d41f27bc9a6f20b6b128b31044
13. 0x82acf0ab79b727689a8862d5f40ebc054bfa26bd74148138aeb5de693084058a
14. 0x104600713bd70fcbdf137fa07f8136bb6c252c890776bc7cbd7b194271f8b93a
15. 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1