Evidence row 1791479

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://minty-sprout.onrender.com/v1/spf-check"
    ]
  ],
  "name": "Foundry",
  "owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
        "scheme": "exact"
      }
    ],
    "description": "SPF record checker: the SPF record, includes, DNS lookup count and all-mechanism policy for a domain. Input: a domain.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "input": "coinbase.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "all_mechanism": "-all",
              "dns_lookups": 3,
              "domain": "coinbase.com",
              "has_spf": true,
              "includes": [
                "amazonses.com",
                "_spf.google.com"
              ],
              "multiple_records": false,
              "policy": "fail (strict)",
              "record": "v=spf1 include:amazonses.com include:_spf.google.com -all",
              "too_many_lookups": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "input": {
                      "description": "A domain",
                      "maxLength": 8000,
                      "type": "string"
                    }
                  },
                  "required": [
                    "input"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "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": "2026-10-31T23:01:45.647Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-31T23:01:45.455Z"
    },
    "resource": "https://minty-sprout.onrender.com/v1/spf-check",
    "serviceName": "Foundry",
    "tags": [
      "spf",
      "email",
      "dns",
      "deliverability",
      "security"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "SPF record checker: the SPF record, includes, DNS lookup count and all-mechanism policy for a domain. Input: a domain."
}

What the leaf hashes

{"body":"c01deab7963327a35542b6dfc89abe35be240be73895c8ac688e40268a1270f4","id":1791479,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559984776667,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/spf-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xe35edf25c79e2224f0504a7c9393b45727e3ac8f806bc489238f7737925c971c
2. 0xfd181dd43509a97a24f454cfa2ee2da7d9b797b101932b02fec448b071240f58
3. 0xa6bc62a6c6a9e5796f867153912ed16cccccf6dd727e65b93e755db5867d91b7
4. 0x33b0479951f378439366104419d2d87b21c410f1dbd5e30fcce8e6bd06d12945
5. 0xe04ea92bcd237c53dccdc9fa5e1449c36284cafad69e7d4cc708cea145ac3bbf
6. 0x176f6135b1ff00fd393807ed3762495a210946f1d8074b3075a5c93b487653d7
7. 0x90eb3d833c611cc179ed7edb270cac94a272108912a7c5bbd8e1b4c254aeac10
8. 0x64f6cf0405ae22ed8242c7ab26e3283624334b5dff598a85754c3957b5262873
9. 0x70932db0aa62914c7ae729b3d741db4eb1e209c85dcd1827dcdf29d128e4d4e1
10. 0xc83b38417400c2bd64711a9908e29f2dbdae784f9c85fd33c699d80c534783dc
11. 0xf5971233af04d8cc6a31b1a073438a5d13b28d604e946d9c94128f35d26566f3
12. 0xdeaae23aa4c1110438e5392a2938c8a466fa30eb70d1f3d4a617d5eac9c2bc90
13. 0xa567f95bd997bb1c25b24e0f3d37b6136018cb58573839158ad2a42dc344d758
14. 0xf25ae803bf30c21cc73fca60cb3edf50df2a8c71b23bfe8c11bfe395b2367892
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90