Evidence row 77294

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mailcheck.netzhandwerker.de/email"
    ]
  ],
  "name": "Agent Email Check",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is \"unknown\", not \"valid\".",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "email": "name@example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "email": {
                      "description": "The email address to check.",
                      "type": "string"
                    },
                    "smtp_check": {
                      "default": false,
                      "description": "Ask for an optional SMTP probe. Off by default, heavily throttled, one attempt per target and never retried. Without it the verdict of a routable address stays \"unknown\".",
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:39:24.993Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:24.728Z"
    },
    "resource": "https://mailcheck.netzhandwerker.de/email",
    "serviceName": "Agent Email Check",
    "tags": [
      "x402",
      "halowerk",
      "email_check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is \"unknown\", not \"valid\"."
}

What the leaf hashes

{"body":"85b37ccfb0d06023499f1f8519aa8834146c0a83d7b835f71776d32717484e56","id":77294,"kind":"listing","method":"baseline/1","observed_us":1793025493774493,"prev":null,"subject":"x402_bazaar:https://mailcheck.netzhandwerker.de/email","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. 0xae2c97da9049020a68d276237380c0260efb2c8bd953c4ee6afeedb22ef76678
2. 0x04ad532c2d1fd05644aa3f59b8a63af5831455cc14c401c1c67185d76e03508d
3. 0xbc890d40e3c6cd3e77ab32310b26c6315ec09717c5f7b456f8fa277d8f1f318c
4. 0xc101d7a65f2ae7777a5bb3d603bbe741e15884937bc5f75554fad2332ea6e1ca
5. 0x3594f5a465ea3f2879513c8f08114de2cf70e860870bd402b0f72b98af11b38e
6. 0xe38427885690805524855252705738b25a9da3515d32ae1d18aa10a3db83f029
7. 0xe6dccc616e88e3ce95a9760be82175e479a99f943dac5d8c322da130f9f200bb
8. 0x3a7df177683d795f18b3f755c4441eb3800edf04176ed42230c25691262bb635
9. 0xefa6fbda900ed5d0d1468130ec6682fb0efc285576ec5a8c20f0ea937d888dcb
10. 0x3c54c01bf4318d5a836732de25aa152fd493cfc74e9e7d61b6833262a76c28e9
11. 0x3ed84d9e7fe1a3a53a5614d97b48e393d726ca06109e83696375afe5ad01fd8f
12. 0x51f06c175a7c946ebe50ef243d6f9370a8fe85c996e53eff19ffcc4585ea8c18
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae