Evidence row 77289

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mail.halowerk.com/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": "2026-10-07T02:25:24.408Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-07T02:25:23.974Z"
    },
    "resource": "https://mail.halowerk.com/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":"213ad6381e3fa57201fe3e5f9633fb6f9841e7f5846b47f61beeb4985a9dada4","id":77289,"kind":"listing","method":"baseline/1","observed_us":1793025493769183,"prev":null,"subject":"x402_bazaar:https://mail.halowerk.com/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. 0xab2c3c02842d9793a34ed36e801124748d753a2cc7f2560294152cf373f3d9b1
2. 0xfd519f9f433a39c4ec17c05941a639442ac897c59ecc00006329eac8bd48ab0a
3. 0xe991d891c4962a17ab61a1fa19359a0fa1053c7cfa8ded798fa40c46c6ab0a69
4. 0x2241e580a7ae7432136d71fe86edd77b0ba7e0400fe7c45e2398a34d95c8b179
5. 0x7515c7cd93d43c0082ce8ad2891622f5226b26877393bd2abe4396918a6cfec8
6. 0x81fd2043d2bff45c4f2a29c1b6daf110e6e20231dc36ff5ba08ef53fb5442adb
7. 0x2acfd56fea7ebcb668556e14b215322018d918318d94158b322c3d551bf5f215
8. 0x00bfdd3de60a87e6b6c9c59d517f230843c59d3cf24eebe273ede0178ad81bc9
9. 0x0bb588ea8722a2a8d5b5a05c25092b677ddc4f9e9399320c7a2e7e81ca524052
10. 0x3fa5eaa6d08becab2832207a749500470aa2568b12840b9e743f3ba19967d00b
11. 0xe285855b14529e4bf6d93d3ce05a3365dcfc651d48b9dfeb5c229a51822613eb
12. 0xb7fae69bb7bd717d54a83df961404a3e4de2a5cfbcfa013fd83a38627fe13f7e
13. 0x4700d6dfdb40e52e2ceb8ffe62c75f3f708d23452f828255fd003d795f5d9d66
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae