Evidence row 121250

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://sicher.halowerk.com/v1/oss-openssl-rfc3161-request-build"
    ]
  ],
  "name": "HALOWERK sicherwerk",
  "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": "Produces a ready-to-post RFC 3161 TimeStampReq for a SHA-256 digest you already computed. The pinned OpenSSL build encodes the message imprint, adds a fresh nonce so a replayed response can be detected, and sets the flag that asks the timestamp authority to include its signing certificate in the reply. The result is returned as a binary artifact together with the imprint it was built around, so the caller can check that the request really covers the intended digest.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "sha256": "630ef5fa9f154edb61d2bb1f0767b6f110d1600860e8afc4d363cb20d0f52da0"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "sha256": {
                      "pattern": "^[a-fA-F0-9]{64}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "sha256"
                  ],
                  "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": "2026-10-26T00:13:33.764Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-26T00:13:33.343Z"
    },
    "resource": "https://sicher.halowerk.com/v1/oss-openssl-rfc3161-request-build",
    "serviceName": "HALOWERK sicherwerk",
    "tags": [
      "oss",
      "openssl",
      "p012"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Produces a ready-to-post RFC 3161 TimeStampReq for a SHA-256 digest you already computed. The pinned OpenSSL build encodes the message imprint, adds a fresh nonce so a replayed response can be detected, and sets the flag that asks the timestamp authority to include its signing certificate in the reply. The result is returned as a binary artifact together with the imprint it was built around, so the caller can check that the request really covers the intended digest."
}

What the leaf hashes

{"body":"75d4f22a1ff85188a4abfbc3fa5f435c502bf905ed3d3f7a654048bc40bc2338","id":121250,"kind":"listing","method":"baseline/1","observed_us":1793025619673534,"prev":null,"subject":"x402_bazaar:https://sicher.halowerk.com/v1/oss-openssl-rfc3161-request-build","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. 0xc9a9a7a3cc850d9780ae9d61e3e5a025c0a2ecbc9d9b5138c41bb05290b53d92
2. 0x3f2b71e3c9e2997010350fb4486966044f428b67d02bba9da80a50e35f1b5bed
3. 0xd66658f43e3af28fe1d9a838b86e929755311d5894590ee035d7aa11824e1d9f
4. 0xe1d3de1452198d2a39875fd10be87506f67b7d6883081fddc3e2f2cc097ac2fd
5. 0x7d1143e63ea912fb40b25fd67f622a8b2488c8537a223c667221f8b0c6203479
6. 0x8697ddaa87a3838faf2d5ec715fded7024344ce6b3828559562da30275da3e59
7. 0x3910af9d47ba0bd6fe82cc18399025c2a8c2af779209500a7e2cf5abe1ba5a98
8. 0x0dac4efcda2f80de1400fb79b2b053f5b444793766823527265ea74d4d742901
9. 0xce4e2841de562dad4274967139f459b40972663d477c18ea825eadd01ac07654
10. 0xff8a61dc0d7a2ad53748c909044ecbbf5355b001e1be01dd836899cb83511970
11. 0x60eabf7e1a3db5892c30621c19c096fd56eb4ad1f2ace810471d00503c868d2b
12. 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae