Evidence row 556316

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": {
      "lastCalledAt": "2026-10-27T18:55:38.717Z"
    },
    "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":"cbb5ecc37d0361672bd86b6d18a540d65fac8a4029a05f5fee861a2196f9dc07","id":556316,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133807473236,"prev":null,"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 2026-10-27 (273461 rows).

1. 0xe8294fd69673db164e24d0778cf367c916783e1fe2403aa0f18d04036ad2ee55
2. 0xf51497c3fbc6db9c4532a6e24699b0ecdfbdf7338157acf5d31e39eadbfa0760
3. 0xc06c80a0a801e1d3d8675d31e54d5619577d9c8be3d48989e41cf6df2398d60b
4. 0x548856649923598bd260b10e88bfde38c72c697fc6df86d6abb75dada5cbf20b
5. 0x138d33806c6f58a7a5767d423ac39d87479cf43f9ba56ee9bece107f60ed7ff0
6. 0x967bf6f5336cb9723e8d1af2f4398b71d9f94ccacfd29c50c0403d55e6820a6a
7. 0x19093a3ff253b745dbe84df7b28d34d724692745affd725997af7acb2860dfaa
8. 0x2d4b55967c93777fa7b90031b3af3059665bfdbb57a99fb3e09120da0f592748
9. 0xf4ec4a5c8a7f62d1c4fc40389d5a94c9080a5957c6392fe42f04166624b51f3a
10. 0x6414696bc9516d3632c71d8ea50ca19b30c0620ceed940d2d79c296823261573
11. 0x3c861cf142eb751b2220b81059bfcf21056da91d39e1dc3b54eb4cf7ac64da25
12. 0x555cdc5682ffc7c8210a3ce0f57c03bc80456dce0d2723d1de26e7d1e57b0f94
13. 0xab6eb305329046d5ccb835dd8ca955f794e3ca110379a94dbdc780d016448561
14. 0x41f9f462759cb539183e979fb3eb967d94755cf039c44a64a9a3c4ad97523cfd
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4