Evidence row 1792294

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stack.halowerk.com/stack/articles/mailchimp"
    ]
  ],
  "name": "Tech Detect",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "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": "Purpose-bound Mailchimp observation (marketing) using the existing fresh Stack-Monitor. Returns stack_mailchimp_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "url": "https://example.com/"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "previous": {
                      "additionalProperties": false,
                      "properties": {
                        "observed_at": {
                          "maxLength": 40,
                          "type": "string"
                        },
                        "technologies": {
                          "items": {
                            "additionalProperties": false,
                            "properties": {
                              "category": {
                                "maxLength": 80,
                                "type": "string"
                              },
                              "name": {
                                "maxLength": 150,
                                "type": "string"
                              },
                              "version": {
                                "maxLength": 80,
                                "type": [
                                  "string",
                                  "null"
                                ]
                              }
                            },
                            "required": [
                              "name",
                              "category",
                              "version"
                            ],
                            "type": "object"
                          },
                          "maxItems": 150,
                          "type": "array"
                        }
                      },
                      "required": [
                        "observed_at",
                        "technologies"
                      ],
                      "type": "object"
                    },
                    "url": {
                      "maxLength": 2048,
                      "type": "string"
                    }
                  },
                  "required": [
                    "url"
                  ],
                  "title": "Mailchimp fingerprint monitor 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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T12:42:24.972Z",
    "quality": {
      "l30DaysTotalCalls": 4,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-11-01T12:42:24.536Z"
    },
    "resource": "https://stack.halowerk.com/stack/articles/mailchimp",
    "serviceName": "Tech Detect",
    "tags": [
      "x402",
      "halowerk",
      "stack_mailchimp"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Purpose-bound Mailchimp observation (marketing) using the existing fresh Stack-Monitor. Returns stack_mailchimp_decision, direct versus inferred status, evidence, optional version difference against a caller-owned baseline and reusable snapshot. Missing fingerprints do not prove absence. No background scheduling, CVE, compatibility or installed-extension inventory. Existing outbound safeguards remain in the injected motor. One public HTTPS root domain, up to150 baseline technologies; 9s timeout."
}

What the leaf hashes

{"body":"14e3f31766018965be78fe54d4075b81fe4fff77c16123fc9696cf7c96f7bc23","id":1792294,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793560019762894,"prev":121863,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/mailchimp","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. 0xba5f11ed72631bb115ef8bf3b0036ef42a16c93286be50179210a8282d32a7eb
2. 0xd7fd28fd4b1a22539397996940068934acf94631530b4858b71d3666cd88c258
3. 0x35dca72a3c7ce5814f2ca2a76558689fe17c14097542635dceeb9dd6e18f9b5d
4. 0xc872612309c502837a9c34d34dbb942587d0b7f9dcf69015124da6eac2120435
5. 0xc9ee708d64cb02c174a240a323039a66c2ab5032cd0fc6a013f47ce55fe1fbef
6. 0x674e5039ac289ee0915c6af80a1fc8ee377edc500c8cdef62a73812e971dfe3d
7. 0xe772cbad1dd6237897671aaff7f462b5608668070871e457d5233ecab92fb55b
8. 0xd5b58640756765da67403d51eddd01499c9a53e995c19a7dc3b7e875ceee4b3d
9. 0x9f8705b354a2d0b0c076e8dd3ed42fddc9843e1f113e42eab839ce180dc27789
10. 0x9cbb292a1d43993738a512e39d3a4fcc959ec584c2a4ed63ad85e21b12e6c225
11. 0x12ddfa123576d47a99f2db8f5b329dac15db50c85ab2652b6f4c7246f140a145
12. 0x78d385d0e4b2ae8f1fa8279cc2ce743f963ce38b928bc4a2e8403abd42880cc0
13. 0x8e759241dd7d3573c90854e58ab2c243f47abbd9411d188fc23d7d0f3d7ad1fc
14. 0xc4208f09c5a97556dbf0e04ca82216f9056e3cf547ebb46cc61036bfd76910cb
15. 0xf6217f3e2344dd9bf8c6e296c4729fbf7611d258b93c45e1bbe5f62e65e8e714
16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90