Evidence row 76896

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://jwt.openverbs.com/v1/verify"
    ]
  ],
  "name": "Verify a JWT",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Verify a JSON Web Token's signature and claims against a shared secret (HS*) or a PEM public key (RS/ES/PS). Returns { valid, payload } on success or { valid: false, reason } for a bad signature, expired/not-yet-active token, or a failed issuer/audience/subject check. Pass `algorithms` to pin the accepted signing algorithms and prevent algorithm-confusion attacks.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "algorithms": [
                "HS256"
              ],
              "key": "your-256-bit-secret",
              "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
            },
            "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": {
                    "algorithms": {
                      "description": "Accepted signing algorithms (subset of HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384, ES512, PS256, PS384, PS512). Strongly recommended.",
                      "items": {
                        "enum": [
                          "HS256",
                          "HS384",
                          "HS512",
                          "RS256",
                          "RS384",
                          "RS512",
                          "ES256",
                          "ES384",
                          "ES512",
                          "PS256",
                          "PS384",
                          "PS512"
                        ],
                        "type": "string"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "audience": {
                      "description": "Required `aud` claim value.",
                      "type": "string"
                    },
                    "clockToleranceSec": {
                      "description": "Clock skew tolerance in seconds.",
                      "maximum": 86400,
                      "minimum": 0,
                      "type": "integer"
                    },
                    "ignoreExpiration": {
                      "description": "Do not treat an expired token as invalid.",
                      "type": "boolean"
                    },
                    "issuer": {
                      "description": "Required `iss` claim value.",
                      "type": "string"
                    },
                    "key": {
                      "description": "The HMAC shared secret (HS*) or the PEM-encoded public key (RS/ES/PS).",
                      "maxLength": 16384,
                      "minLength": 1,
                      "type": "string"
                    },
                    "subject": {
                      "description": "Required `sub` claim value.",
                      "type": "string"
                    },
                    "token": {
                      "description": "The compact JWT to verify.",
                      "maxLength": 32768,
                      "minLength": 1,
                      "type": "string"
                    }
                  },
                  "required": [
                    "token",
                    "key"
                  ],
                  "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": "2026-10-06T16:55:42.738Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-06T16:55:42.44Z"
    },
    "resource": "https://jwt.openverbs.com/v1/verify",
    "serviceName": "Verify a JWT",
    "tags": [
      "verify jwt signature",
      "validate jwt claims",
      "jwt auth verification",
      "check token expiration",
      "verify jws token"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Verify a JSON Web Token's signature and claims against a shared secret (HS*) or a PEM public key (RS/ES/PS). Returns { valid, payload } on success or { valid: false, reason } for a bad signature, expired/not-yet-active token, or a failed issuer/audience/subject check. Pass `algorithms` to pin the accepted signing algorithms and prevent algorithm-confusion attacks."
}

What the leaf hashes

{"body":"5ed182700d52292c26c8284ee17454de610ab3bd603faf470a440b5fc1b9650b","id":76896,"kind":"listing","method":"baseline/1","observed_us":1793025493096257,"prev":null,"subject":"x402_bazaar:https://jwt.openverbs.com/v1/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).

1. 0xd0f8281bcd918961373b8f36327352dc1a1b17598a9e2dfec9fb5e9f30c63083
2. 0x279017ad914aa94bca6c20bea280dc9ddfd760856bb1d1003b36e0a0e2f3533c
3. 0xbf5f847e3f84ef045e0cad5d00227c52b351b3b6ec73bca0e456f3460edfeeee
4. 0x94b602e048d91978fb27d4d6cf4a03d3848c864dabfb5089ea1664141097bc58
5. 0x45542b52674452080665a00a22f1bd6434ccd0d289edd05a5d561cbd1a53abca
6. 0x936e2c581f2b65b6fde8eb23ab1f00f8c4dfaa2b444c18a9ea75cd1219c9fa8a
7. 0xe36ac7b3e65c09c47ae2e35b4245aba31702e72ef571a9d3c3a747ac47b29d00
8. 0x759439a78ba56d04f8956ef3303f56012a2e7d4f5f2c0503aab36024e30fc8a4
9. 0x139ecf4c5f2cb4700abfd1855d00c8b563d745d67c3f27c3e21380f2fbb4cf8e
10. 0x0f53b93a25a2f186fd221bd4e152ef492b0cc841c0b870210a5fd6038ba3602e
11. 0xcbb746ffeda31ff1f1b0d9f74705fed23a3c2abac5d325d65e8e867a7b5e6307
12. 0xa4ec009cd8db00b48fa2e4df84088950b4d34c37254de09f5e3789441c0c5e73
13. 0x889eefefef2d4457fe6114f397df813a5cbb85011a6f40309b54ddcd4aba3bd1
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae