Evidence row 548728

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.lookproof.dev/v1/mail/provider"
    ]
  ],
  "name": "Lookproof",
  "owner_address": "0x5be2be9f95549a2d69951d24a2b3901d1df1bc05",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05",
        "scheme": "exact"
      }
    ],
    "description": "Name the mail providers a domain uses from its MX hosts and SPF include tree: the mailbox provider behind the primary MX, inbound gateways and sending services, matched against a fixed, versioned list with the matching names as evidence. Use when an agent must tell who hosts a domain's mail, which services may send for it, or whether SPF still authorises a provider the domain has left.",
    "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": "2026-10-27T12:40:19.934Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T12:40:19.673Z"
    },
    "resource": "https://api.lookproof.dev/v1/mail/provider",
    "serviceName": "Lookproof",
    "tags": [
      "email",
      "dns",
      "mx",
      "spf",
      "providers"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Name the mail providers a domain uses from its MX hosts and SPF include tree: the mailbox provider behind the primary MX, inbound gateways and sending services, matched against a fixed, versioned list with the matching names as evidence. Use when an agent must tell who hosts a domain's mail, which services may send for it, or whether SPF still authorises a provider the domain has left."
}

What the leaf hashes

{"body":"05ed8f949d441b3d8a579c1fa7ceffea0771a2b501defa8702f28c14f7fbbd29","id":548728,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133321526933,"prev":null,"subject":"x402_bazaar:https://api.lookproof.dev/v1/mail/provider","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. 0xf39dbff7bf77a017e9a335ecef6097fe6d963e6a62a4a1ace19e79bc610a7299
2. 0xed24a07936455458332d028eeeb8febd889bab5284cdc82490e5b84f43607b87
3. 0x9e8e86614b317a4ec59f59254983c9f9731bdff7f98da4093e444a00c2fd1d33
4. 0x33162cd015fefb1d3f048fd4c34e6936e9dfd315452ae9a3bd70f10e9c562130
5. 0x21a40e3e67bb6ba09527b6f341781333d72e025f730ebd2f4a26a662909961f2
6. 0xfdbc5bab4f9363e3036df2f2b09ac74ddbbc3a0dba8aa46d893d8c34f73a3d81
7. 0x18a9a6efd9f0ecb1d5730ae89e15944a5800964e0a09c734d18516b86193370e
8. 0x3dd4b69a9615d3542cb917ceba02adc8a80af3edae2345a8484172fec2a5dfda
9. 0x47ed66cff6ec1eda56dc58350fdc3b86ac0644cb25dade57d726bf89f294a73f
10. 0xddaab828d387e516481bf4c2923ecf6c29884d48727ccbf20aa928bcba60c1f1
11. 0xd7e1d15523cb9df856351d9c5d85a0e7b6456e5dbec143452707410c827472e5
12. 0xd80cea574304ef1eee7c8b03c1efcaf66eb83498acb1756c4e37eb1d063b48be
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4