Evidence row 74236

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dns.openverbs.com/v1/reverse"
    ]
  ],
  "name": "Reverse DNS lookup",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "6000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Reverse-resolve an IPv4 or IPv6 address to its PTR hostname(s). No PTR record returns an empty list. This is reverse DNS (PTR) — not ENS or onchain name resolution.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "ip": "1.1.1.1"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "ip": {
                      "description": "IPv4 or IPv6 address, e.g. \"1.1.1.1\".",
                      "type": "string"
                    }
                  },
                  "required": [
                    "ip"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:40:01.487Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:40:01.216Z"
    },
    "resource": "https://dns.openverbs.com/v1/reverse",
    "serviceName": "Reverse DNS lookup",
    "tags": [
      "reverse dns",
      "ptr record",
      "reverse dns lookup",
      "ip to hostname",
      "ptr lookup"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Reverse-resolve an IPv4 or IPv6 address to its PTR hostname(s). No PTR record returns an empty list. This is reverse DNS (PTR) — not ENS or onchain name resolution."
}

What the leaf hashes

{"body":"420e88b1954725b7337d542d1707d1aeecd231ad730562fc1be9066fc954084c","id":74236,"kind":"listing","method":"baseline/1","observed_us":1793025488645608,"prev":null,"subject":"x402_bazaar:https://dns.openverbs.com/v1/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).

1. 0xfdf27568320acaadee235548148723e528924b74eb15af2fa9520f1cb0e48a7c
2. 0x64755e9b2f0a9df22e40d285f47842d978aa68274e1766207026f80fbc63c590
3. 0x5d56e96f5692b2575e69392d52e345b566a77a4038358bb915c25786dad11fb8
4. 0x659f6e8bfa7b8037c63709edfadba81a9a75f4b1135a437ddfb66818053d79f1
5. 0x0dead88e85dfe4fae2da45c29174778f70b5380759159faad9b15fe1b2cc983f
6. 0x43857d46460052162f6e8a2582641657929c5a690bf07148adf96ad595167054
7. 0x58cb7ffe8c9dc690a665961666c77823b2d2a36ff62af24b6de3663c117914e9
8. 0xe8b6050f58737969d73be4e74d11527ea079ef5be9ab0d67dee54c78ae452f3a
9. 0xe297f8a98feeb35fea558eda8f305d2c9d12515dc34140be597827a50527f0e0
10. 0x8420578b5ff109895e07c3ba27d964c26e4280e809929d899076e79b5c159eaf
11. 0xf45641bf26b2b86d9338aa6dc8640a8a378fbd786d23400636aaf30709453e50
12. 0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae