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Evidence row 121900

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://stack.halowerk.com/stack/articles/vercel
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3048ecda72d4be0c6d41d04c19d7f5b38d55e4f3a1249d6073e75c8cd8d64e63
Leaf
0x8691c3ab330f34c2aba7086ad1c24662bb7440bde6732dceda07b16e2f50bf25

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stack.halowerk.com/stack/articles/vercel"
    ]
  ],
  "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 Vercel observation (hosting) using the existing fresh Stack-Monitor. Returns stack_vercel_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": "Vercel 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": "2026-10-14T10:13:31.837Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-14T10:13:31.392Z"
    },
    "resource": "https://stack.halowerk.com/stack/articles/vercel",
    "serviceName": "Tech Detect",
    "tags": [
      "x402",
      "halowerk",
      "stack_vercel"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Purpose-bound Vercel observation (hosting) using the existing fresh Stack-Monitor. Returns stack_vercel_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":"3048ecda72d4be0c6d41d04c19d7f5b38d55e4f3a1249d6073e75c8cd8d64e63","id":121900,"kind":"listing","method":"baseline/1","observed_us":1793025620641594,"prev":null,"subject":"x402_bazaar:https://stack.halowerk.com/stack/articles/vercel","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x8691c70cd1a8f6af749354586867f5a9fa6befd3e2ddb180b5d74f3944965367
  2. 0x4e41ff3bcd7f8a81e04472629c58bab6253351cee1d457baffcabc1e12cbb549
  3. 0x6968324e5fb7878c51401b910c50db6a214c7168d5930f8f8f6a54f32ce471ac
  4. 0x3e14ddf68b6412ab5ffdb826dcb568f9eb0e2d7d4a00cb99eefdf85049d080f9
  5. 0x04eb879278699a698673c07d3132ff7f4461b9aa8f6df7efeb5f58eaf0c8b8b8
  6. 0xe99149833416d88907b34b718b1dfd0aee66b6e48a33c03cfaa8e6c0080d7b32
  7. 0x49a43fc934c7eb55233fd63c1080ed778b0d7f15128009e6f84fb2bd49aa8a77
  8. 0x949db1a8b9964d408c68cb69e85855521998624444fc22abd193443d9f004ade
  9. 0x4e48ce09ef3ec881658cd0b04646f20f7dbd2b88a35dc47c25308a93ce0d117d
  10. 0x464a6f6a01f016e42ea9df2dc09f4dea1acac51b03a73fd4d04a0d7b85f9f0e7
  11. 0xaa315896c61e14116f01ecf0dd5aec1ebbd01bc8562fed10b0a3e3dd6bce0924
  12. 0x099dd43573993f2a1bea674129b7ed050429a0ac76c3bfda8aaf82a3af126469
  13. 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
  14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON