Evidence row 77290

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mail.halowerk.com/email/batch"
    ]
  ],
  "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": "Check up to 100 email addresses in one paid call, billed per address.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "emails": [
                "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": {
                    "emails": {
                      "description": "Between 1 and 100 addresses. Billed at 0.0006 USDC per address with a 0.001 USDC minimum charge.",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 100,
                      "minItems": 1,
                      "type": "array"
                    },
                    "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": [
                    "emails"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-07T02:25:25.911Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-07T02:25:25.487Z"
    },
    "resource": "https://mail.halowerk.com/email/batch",
    "serviceName": "Agent Email Check",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check up to 100 email addresses in one paid call, billed per address."
}

What the leaf hashes

{"body":"e967b2471a30962340b94257ce6f757d9340de7341b6584899ce9bc1b30416d2","id":77290,"kind":"listing","method":"baseline/1","observed_us":1793025493770412,"prev":null,"subject":"x402_bazaar:https://mail.halowerk.com/email/batch","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. 0x0e52af58ceffe55412f6ef5864176086c779126f3cf7b47ebf4ec53c979df815
2. 0x04728ab77feb8208ef1e71423d7257a3a459592395ada4d698aeb2659dc42a4c
3. 0xab3fb2cae3422c0f4d4e6efb6f31c59d5e0894411dead4dff80da15fb24594a7
4. 0x9a5aba85beb8cc18c779b85c31ebcedc3ebe2d69a25556822692a809ba448683
5. 0x916aebb78c2962334a2153882261d67f31100dce711a344c95174ca6e762e733
6. 0xaf36c16415e3665ed5937780e050c69daaf107c47a9e0378dc760e0ae527a459
7. 0x9ec7a32ba5f3d5755b9f062a0be53bd086d45f919e86cfcef2c684b2f3b85013
8. 0xd203a5359e9497778c5a5444354ae33ffe183fd7492f9e7de2671d89d2578f2b
9. 0x29aa9bda43042865701ed0cc9fe05ec0d53aefe00b0bc25ef73772496ea16be6
10. 0x36de94df31980769366d6459ea42b641bdc51120bfd8317d0101e69404feba8e
11. 0x1e6a5f0042a4b7776e54cf79ce729b60eac17c4eb209cc9613fcd31c9fa0d26c
12. 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
13. 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae