Evidence row 752137

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.lookproof.dev/v1/ip/cidr"
    ]
  ],
  "name": "Lookproof",
  "owner_address": "0x5be2be9f95549a2d69951d24a2b3901d1df1bc05",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05",
        "scheme": "exact"
      }
    ],
    "description": "Compute a CIDR block: network, first and last address, number of addresses, netmask and host mask, and whether the input had host bits set (192.0.2.5/24). IPv4 and IPv6, offline. Use when an agent must check or explain a CIDR block in a firewall, SPF or cloud configuration. Input: ?cidr=192.0.2.5/24.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "cidr": "192.0.2.5/24"
            },
            "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": {
                    "cidr": {
                      "maxLength": 64,
                      "minLength": 2,
                      "title": "Cidr",
                      "type": "string"
                    }
                  },
                  "required": [
                    "cidr"
                  ],
                  "title": "CidrInput",
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T18:55:38.717Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T18:55:38.221Z"
    },
    "resource": "https://api.lookproof.dev/v1/ip/cidr",
    "serviceName": "Lookproof",
    "tags": [
      "ip",
      "cidr",
      "subnet",
      "network",
      "calculator"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Compute a CIDR block: network, first and last address, number of addresses, netmask and host mask, and whether the input had host bits set (192.0.2.5/24). IPv4 and IPv6, offline. Use when an agent must check or explain a CIDR block in a firewall, SPF or cloud configuration. Input: ?cidr=192.0.2.5/24."
}

What the leaf hashes

{"body":"4fee7bd46f07e384721f3d7f1082818c2308f50698cce54335aab47654258929","id":752137,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178810012303,"prev":556316,"subject":"x402_bazaar:https://api.lookproof.dev/v1/ip/cidr","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xcb060034fca917007f7447b4be3bf29e29a1bf9a441b9c8cc062ba2f47f7262b
2. 0xf789e511f0b88a2ffd965d40661d41e91cfba36b883929016fb3311c51c800fb
3. 0x8b546c2055a0fecdeeeafa5b5eb08263ee11a32b1878d975e58a09f410d5cb34
4. 0xb4937ca70b59bdcb8ebb1b67b2e34e47a68ad328e4e12c9fdf4f660c64ed28a5
5. 0xa1215a2bf70074e1306525c60744dfe4a8d7a44fb5fbe7e32e531dab04ded400
6. 0xa23d01dcf9f9f7b69b92bf500f89b49578fd78ed9901cd85691e1eb17b3bfa74
7. 0xef4eb1f02d92838418c0738e69f923c099e57c8cd889c279c88eba95fc35df3b
8. 0x0ebfc04124c9729998e107fd99b1ec703b32fd8905e63a44e409b2512d0716b6
9. 0x6cc94dbfccd6735a6d38a1d15f32df9147a11b1b14b1eac4f116d13938d8b765
10. 0xc64edddcfc408bd1972e8b7edbd366baa426ce5a85a5fdd1023014223d3f5b6a
11. 0x18faeef9bc85ae5311ad6b648824cd325602a5448b6840679cbb04f62e6fa92c
12. 0x6c987a929fa86d932f4e27771a9c39d49f983a42654cb3f155d91abff381a956
13. 0x1f99df47306e7104ac9c626f7183c80611a0f90b978c68f0770fd8379ecbaeb9
14. 0x8e49280a62bd5d52127f332ab6aea9d7c57381f541e0178094a62272a9d2e741
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae