Evidence row 548731

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.lookproof.dev/v1/mail/dmarc"
    ]
  ],
  "name": "Lookproof",
  "owner_address": "0x5be2be9f95549a2d69951d24a2b3901d1df1bc05",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05",
        "scheme": "exact"
      }
    ],
    "description": "Look up the DMARC record of a domain or its organisational domain and explain policy, subdomain policy, alignment and reporting addresses, with coded findings. Use when an agent must tell whether a domain is protected against spoofing, which policy it enforces, or why DMARC reports do not arrive.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": "example.com"
            },
            "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": {
                    "domain": {
                      "examples": [
                        "example.com"
                      ],
                      "maxLength": 1024,
                      "minLength": 1,
                      "title": "Domain",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "title": "DomainInput",
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T12:40:13.574Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T12:40:13.337Z"
    },
    "resource": "https://api.lookproof.dev/v1/mail/dmarc",
    "serviceName": "Lookproof",
    "tags": [
      "email",
      "dns",
      "deliverability",
      "dmarc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Look up the DMARC record of a domain or its organisational domain and explain policy, subdomain policy, alignment and reporting addresses, with coded findings. Use when an agent must tell whether a domain is protected against spoofing, which policy it enforces, or why DMARC reports do not arrive."
}

What the leaf hashes

{"body":"ccd45191bb6d8a3b3f1a02a4792fbb499b72c3a0904ddd05435a52febdf46074","id":548731,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133321533770,"prev":null,"subject":"x402_bazaar:https://api.lookproof.dev/v1/mail/dmarc","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. 0xdd5553b8fbe57d2fb83bd0cd53f9833026d71a79271cca5dfd5235739a8984f0
2. 0x0ab4e950a19510fcc11dfc20dd68fe07cbc8461272f3b79e4b2b0d571f327e94
3. 0xb0af2cd460f21ea6c59769365640bb14357326097d84d259c5c285ba69fc8623
4. 0x617a8a72c229a021a3ca1a33fef3191a4d045a9fd0f204bc2519eb88c2dc1555
5. 0xbe735466b79825452b23e3b16ed79fe6c31631a882c9b1858ebf65a70b9a572d
6. 0xd731ff35e627d52c1f99a8bfc5c54f6fcba1d74058a3a2c2d586d03886fc8863
7. 0x69316e08e3a5fd2c8894fc0cb0d5e2e718f060cf93906de73759c79dc465fbc0
8. 0x8e2a9e06649c8a953da8af3e2b66d36ed18ecb0cfc00e8329cf3de44e32c2d34
9. 0x97f2566189500030820814a168a3554103c62c65d82192d8552a91973086992d
10. 0x21dddc964bb798cc018458e9a152ae861c95bec463bf740d30670174f71eee38
11. 0xe7eebf475975d90d310c445a11de6a904d138911aeb29ce874f38db2815689d0
12. 0x1269bf9fca7c16778dd2b72e0163a91a5a288ca31d13ad19673e0d6ecf6de8d5
13. 0x9f8e192630bb5fc72241bfdb0460be2fccc141b3afd0197fe2e478dc28ce82a9
14. 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
15. 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4