Evidence row 121242

Observed 26 Oct 2026, 14:40 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://sicher.halowerk.com/v1/oss-gnupg-detached-signature-verify
Recorded: 26 Oct 2026, 14:40 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 8ed9e3c29f21001b78874a6dabcdd1b7d1415a34e4bb0e71b60f703a17e2b08a
Leaf: 0xafe66091f77742264ad7ed94d595a39e6293e434311ed8d3d792638bf0b1c1ce

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://sicher.halowerk.com/v1/oss-gnupg-detached-signature-verify"
    ]
  ],
  "name": "HALOWERK sicherwerk",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "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": "Checks a detached OpenPGP signature against the bytes it claims to cover, using the pinned GnuPG build and nothing else. What comes back is the verdict in GnuPG's own terms, the fingerprint that actually signed, the signature timestamp, the algorithms used, and whether the key is expired or revoked. A wrong key, a tampered byte or a signature made by someone else each produce a distinct verdict rather than a bare false.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "public_key_armored": "-----BEGIN PGP PUBLIC KEY BLOCK-----\n\nmDMEaq1/cxYJKwYBBAHaRw8BAQdA1SVc3kWNOahbtF7NG/+r3J0FRi3eZttjwG4V\n3Q+87Ba0NUhBTE9XRVJLIFBydWVmdm9ybGFnZSA8cHJ1ZWZ2b3JsYWdlQGhhbG93\nZXJrLmV4YW1wbGU+iJMEExYKADsWIQRyU28SJU2LbSX4iJvvVEGQ4+pdywUCaq1/\ncwIbAwULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgAAKCRDvVEGQ4+pdy8MhAP9C\n8lCNPBS2EypohGv9TbqIt4muUHRgIqo2cbtoZCCH9QEAqUm1AMxHV1JtTTtuAN3H\nYBALXlpBeOwMfL3g7jCvSQk=\n=aSES\n-----END PGP PUBLIC KEY BLOCK-----\n",
              "signature_armored": "-----BEGIN PGP SIGNATURE-----\n\niHUEABYKAB0WIQRyU28SJU2LbSX4iJvvVEGQ4+pdywUCaq1/cwAKCRDvVEGQ4+pd\ny/YLAQCcqZZLOV9guftS3z3AbKMfQ0fXNk69IaUk1/4XBBC8UAEAwXgKUJ501uNr\nw2AtQSLYn1PZ6F0pN3/LV27xaKoPkAs=\n=w0mv\n-----END PGP SIGNATURE-----\n",
              "signed_data_base64": "UHJ1ZWZ2b3JsYWdlIGZ1ZXIgZGVuIERpZW5zdCBvc3MtZ251cGctZGV0YWNoZWQtc2lnbmF0dXJlLXZlcmlmeS4KVW1sYXV0ZTogR3J1ZcOfZSwgTWHDnywgRnXDny4K"
            },
            "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": {
                    "public_key_armored": {
                      "maxLength": 262144,
                      "minLength": 1,
                      "type": "string"
                    },
                    "signature_armored": {
                      "maxLength": 262144,
                      "minLength": 1,
                      "type": "string"
                    },
                    "signed_data_base64": {
                      "maxLength": 349528,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "public_key_armored",
                    "signature_armored",
                    "signed_data_base64"
                  ],
                  "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": "2026-10-23T01:47:05.728Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T01:47:05.317Z"
    },
    "resource": "https://sicher.halowerk.com/v1/oss-gnupg-detached-signature-verify",
    "serviceName": "HALOWERK sicherwerk",
    "tags": [
      "oss",
      "gnupg",
      "p101"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Checks a detached OpenPGP signature against the bytes it claims to cover, using the pinned GnuPG build and nothing else. What comes back is the verdict in GnuPG's own terms, the fingerprint that actually signed, the signature timestamp, the algorithms used, and whether the key is expired or revoked. A wrong key, a tampered byte or a signature made by someone else each produce a distinct verdict rather than a bare false."
}

What the leaf hashes

{"body":"8ed9e3c29f21001b78874a6dabcdd1b7d1415a34e4bb0e71b60f703a17e2b08a","id":121242,"kind":"listing","method":"baseline/1","observed_us":1793025619664470,"prev":null,"subject":"x402_bazaar:https://sicher.halowerk.com/v1/oss-gnupg-detached-signature-verify","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).

0xafe67b2c4ad8c1ce31dd18f7ae45887126ab21ec2556aeb89e06cf3022e313fa
0x2b073d421a1cb34315192cc41b2c5c63cedcd640805c4ba6c69dc529df88b063
0x42c5be825be6fa8f876cf14bbe8853764eb3d305b97f5e7de723063d7360f6b8
0x9915e53626d88bf6ab55280a2a80fc6e1c835bda034529d767ae538d3440a37e
0x131d54e9ed04a684487436b4642a87c1b8a7c1d4ee8ecbeb40427760dea8d58c
0xd06d8396f24c4a954dca556bd75b51e3bf57103179aebba412b2a69b75e97b7d
0x4f8ffc96f312291be1af5503a1f50719fe908eb90072e688bff6453ea1f4bbed
0x8ecb8a2a82ac1cdbe71dadcceb250f92a19f382dcdd89f784e7e4fca6249fe8a
0x093577cc3103152dbae7a3e2746efa7cf14907771bf3a1d81b476910716da144
0x88e14554875d47fe3e9d547b6e116a59cb4b1bba1165fecb62ab9dc0789b5291
0x3bebef69be15ae49fdf78639d05bdb957a983cd3565294a33f1d0a8a41913db8
0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON