Evidence row 2677

Observed 26 Oct 2026, 14:34 UTC, by baseline/1.

Kind: listing
About: source_record agentic_market:jwt-openverbs-com
Recorded: 26 Oct 2026, 14:34 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: b9f7c09e6efd9d130d978aa0292f7b0f75be0825d2143f485caa7a47af11494e
Leaf: 0x7301ed95aac878609405a10378baf166d517939e79febc656ed4a3e664f96e72

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://jwt.openverbs.com/v1/decode"
    ],
    [
      "x402",
      "https://jwt.openverbs.com/v1/sign"
    ],
    [
      "x402",
      "https://jwt.openverbs.com/v1/verify"
    ]
  ],
  "name": "jwt.openverbs.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "jwt.openverbs.com",
    "endpoints": [
      {
        "description": "Decode a JSON Web Token WITHOUT verifying its signature and return the header, payload and signature. A structurally malformed token is rejected before payment. Never trust a decoded payload you have not verified.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c",
            "group": "body",
            "name": "token",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Decode a JWT",
        "tags": [
          "decode jwt",
          "parse jwt token",
          "jwt payload lookup",
          "read token claims",
          "unverified jwt decode"
        ],
        "url": "https://jwt.openverbs.com/v1/decode"
      },
      {
        "description": "Mint a signed JSON Web Token from a JSON claims object, using a shared secret (HS*) or a PEM private key (RS/ES/PS). Supports expiresInSec, notBeforeSec, issuer, audience, subject and keyid. An unusable key or option is rejected before payment.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "HS256",
            "group": "body",
            "name": "algorithm",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "body",
            "name": "expiresInSec",
            "required": false,
            "type": "number"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "example",
            "group": "body",
            "name": "key",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": 1,
            "group": "body",
            "name": "notBeforeSec",
            "required": false,
            "type": "number"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Sign a JWT",
        "tags": [
          "sign jwt",
          "create jwt token",
          "mint auth token",
          "generate jws signature",
          "jwt signing api"
        ],
        "url": "https://jwt.openverbs.com/v1/sign"
      },
      {
        "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.",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "algorithms",
            "required": false,
            "type": "array"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "your-256-bit-secret",
            "group": "body",
            "name": "key",
            "required": false,
            "type": "string"
          },
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c",
            "group": "body",
            "name": "token",
            "required": false,
            "type": "string"
          }
        ],
        "pricing": {
          "amount": "0.004",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        },
        "serviceName": "Verify a JWT",
        "tags": [
          "verify jwt signature",
          "validate jwt claims",
          "jwt auth verification",
          "check token expiration",
          "verify jws token"
        ],
        "url": "https://jwt.openverbs.com/v1/verify"
      }
    ],
    "enriched": false,
    "iconUrl": "",
    "id": "jwt-openverbs-com",
    "integrationType": "",
    "isNew": false,
    "name": "jwt.openverbs.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.004",
      "currency": "USDC",
      "maxAmount": "0.004",
      "minAmount": "0.004"
    },
    "provider": "jwt.openverbs.com",
    "providerUrl": "",
    "serviceName": "",
    "tags": [
      "decode jwt",
      "parse jwt token",
      "jwt payload lookup",
      "read token claims",
      "unverified jwt decode",
      "sign jwt",
      "create jwt token",
      "mint auth token",
      "generate jws signature",
      "jwt signing api",
      "verify jwt signature",
      "validate jwt claims",
      "jwt auth verification",
      "check token expiration",
      "verify jws token"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"b9f7c09e6efd9d130d978aa0292f7b0f75be0825d2143f485caa7a47af11494e","id":2677,"kind":"listing","method":"baseline/1","observed_us":1793025267096771,"prev":null,"subject":"agentic_market:jwt-openverbs-com","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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON