Evidence row 17152

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://quantagentshop.com/v1/email-auth-check"
    ]
  ],
  "name": "Quant Agent Shop",
  "owner_address": "0x4d8d8d4f04512029172e0176744eec4ae5238309",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x4d8d8D4f04512029172e0176744Eec4AE5238309",
        "scheme": "exact"
      }
    ],
    "description": "Email authentication check for a domain. Returns the SPF record with its DNS lookup count and all qualifier, the DMARC policy and report addresses, MX hosts, MTA-STS and BIMI records, DKIM keys found on common selectors, a grade from A to F and a list of issues. Use to diagnose deliverability or spoofing risk. DKIM is checked on common selectors only. Typical response under 1 s. Failed calls are not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "domain": "example.org"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "bimi": {
                "record": null
              },
              "checked_at": "2026-10-22T09:00:00+00:00",
              "dkim": {
                "checked_selectors": [
                  "google",
                  "selector1",
                  "selector2",
                  "default",
                  "k1",
                  "s1",
                  "s2",
                  "mail",
                  "dkim",
                  "smtp"
                ],
                "found": [
                  "google"
                ]
              },
              "dmarc": {
                "pct": 100,
                "policy": "quarantine",
                "record": "v=DMARC1; p=quarantine; rua=mailto:dmarc@example.org",
                "rua": [
                  "mailto:dmarc@example.org"
                ],
                "subdomain_policy": null
              },
              "domain": "example.org",
              "grade": "A",
              "issues": [],
              "mta_sts": {
                "record": null
              },
              "mx": [
                {
                  "host": "smtp.google.com.",
                  "preference": 1
                }
              ],
              "spf": {
                "all_qualifier": "~all",
                "error": null,
                "lookups": 4,
                "record": "v=spf1 include:_spf.google.com ~all",
                "valid": true
              }
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "domain": {
                      "description": "Domain name, such as example.com.",
                      "maxLength": 300,
                      "minLength": 1,
                      "title": "Domain",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T10:53:45.483Z",
    "quality": {
      "l30DaysTotalCalls": 23,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T10:53:45.308Z"
    },
    "resource": "https://quantagentshop.com/v1/email-auth-check",
    "serviceName": "Quant Agent Shop",
    "tags": [
      "web-search",
      "web-scraping",
      "company-data",
      "research",
      "compliance"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Email authentication check for a domain. Returns the SPF record with its DNS lookup count and all qualifier, the DMARC policy and report addresses, MX hosts, MTA-STS and BIMI records, DKIM keys found on common selectors, a grade from A to F and a list of issues. Use to diagnose deliverability or spoofing risk. DKIM is checked on common selectors only. Typical response under 1 s. Failed calls are not charged."
}

What the leaf hashes

{"body":"bd2b5713cf47e275eeaae44d39fa720e5f0e8fe197b56886f7a7edbc4cba31bc","id":17152,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025325558854,"prev":null,"subject":"x402_bazaar:https://quantagentshop.com/v1/email-auth-check","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. 0xb9592bca811df8d8bb25b6bb1728ac650664e6b0b39ea713fbcf9a259d569cc8
2. 0x3e795d2a9b785e1352738fa7208762e57d8a943f10e68376f53a1ae1ba035448
3. 0xe174bfddbede63183ea9bd78d8ee0440dff5613ac8f62b467b94c505a31b7da5
4. 0x99e98f89f79242c5f3ca4319498e95b0c1f9c7d36a41afebb807c66790db1273
5. 0xd529537755eda81d5dcebc9a2c59e8f0ad1d796f2f25a4787bb16b5ae1ee72bb
6. 0xc0c7ff8143b0f4044ce617c637999abf2fb4b28e65327a9121d4dd57a17adce1
7. 0xfa23f8ed61ff08ee1ec032532fe3064b64fae9186875bf7cd71e3344c654f573
8. 0xae03a5f4f2b28dcf146d631f3a96e4a9c33b2aaa844f724f424b45b5b0966ccc
9. 0x9bc815709ef4617796e520b1c2fe2f937d4fcee1ca427b494b0585f8683819ab
10. 0x2a5c6878834071db08774384e91dbce1a180bcb1f079fcc809e29d3efca761f5
11. 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
12. 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae