Evidence row 73520

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://dns-intel-api-production.up.railway.app/dns/reverse
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 690267ff8a86d317253a1723f46d99c61ae3513981b3ba7cc0e92d21676567e8
Leaf: 0x9c49575aecf1e6332763bc484646b34f1aa99c3dfc700b4eb3b83bd41a10ac09

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": "2026-10-23T23:07:44.594Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-23T23:07:44.38Z"
    },
    "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":"690267ff8a86d317253a1723f46d99c61ae3513981b3ba7cc0e92d21676567e8","id":73520,"kind":"listing","method":"baseline/1","observed_us":1793025487731663,"prev":null,"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 2026-10-26 (296695 rows).

0x9c49395f43fcaaf3f79dfacda830f77a602532756f8a9d900e4441232d20f526
0x0cc8ea1e10d83741b7c7985f4a1608b70eaa6f8da3a8c8038ffb1e5aba38559a
0x1fddb382828856d3f6da53904c5f6c79a9647a4029291f2e8635c335e4d33352
0x01cee610059cd21baa9adbd538ed86dd0e12b7eebea960c6478952ba9cd74570
0x42efde641d625644f03f8dcf395d6b5acd797ea317e787df03ec1a4ef3b8f89c
0x5d8e57ae2c28801de20910614e0ea25b0b4252e13fc8381be320737553eb811a
0xe38f284ee39f844400ec64ebd42cb7777bdf6f81dadbfd9353b111debe51b943
0x57176740a7d0a469a87c37ea92976b38af7b250f6e14da7e1c1168155ce911fe
0x34ef2c0fe0b5aa2ff1eb1e0f03fdcd926a23fe6f8a178fe7f87845cae93e1bc3
0x55e392a749fe8acd3deb4f8eae19501f1e043191c02fc18a1fab5caabf05c0dd
0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON