Evidence row 76895

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://jwt.openverbs.com/v1/sign"
    ]
  ],
  "name": "Sign 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": "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.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "algorithm": "HS256",
              "expiresInSec": 1,
              "key": "example",
              "notBeforeSec": 1,
              "payload": {}
            },
            "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": {
                    "algorithm": {
                      "description": "Signing algorithm, one of HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384, ES512, PS256, PS384, PS512.",
                      "enum": [
                        "HS256",
                        "HS384",
                        "HS512",
                        "RS256",
                        "RS384",
                        "RS512",
                        "ES256",
                        "ES384",
                        "ES512",
                        "PS256",
                        "PS384",
                        "PS512"
                      ],
                      "type": "string"
                    },
                    "audience": {
                      "description": "Set the `aud` claim.",
                      "type": "string"
                    },
                    "expiresInSec": {
                      "description": "Set `exp` this many seconds from now.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "issuer": {
                      "description": "Set the `iss` claim.",
                      "type": "string"
                    },
                    "key": {
                      "description": "The HMAC shared secret (HS*) or the PEM-encoded private key (RS/ES/PS).",
                      "maxLength": 16384,
                      "minLength": 1,
                      "type": "string"
                    },
                    "keyid": {
                      "description": "Set the `kid` header.",
                      "type": "string"
                    },
                    "noTimestamp": {
                      "description": "Omit the automatic `iat` claim.",
                      "type": "boolean"
                    },
                    "notBeforeSec": {
                      "description": "Set `nbf` this many seconds from now.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "payload": {
                      "description": "The claims to encode (an object).",
                      "type": "object"
                    },
                    "subject": {
                      "description": "Set the `sub` claim.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "payload",
                    "key",
                    "algorithm"
                  ],
                  "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": "2026-10-02T02:17:40.996Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-02T02:17:40.726Z"
    },
    "resource": "https://jwt.openverbs.com/v1/sign",
    "serviceName": "Sign a JWT",
    "tags": [
      "sign jwt",
      "create jwt token",
      "mint auth token",
      "generate jws signature",
      "jwt signing api"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "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."
}

What the leaf hashes

{"body":"fa0b0f1839c3b02cd78da321cb8007a6656d1eb3a387c05af0d77cba48b4bb50","id":76895,"kind":"listing","method":"baseline/1","observed_us":1793025493094506,"prev":null,"subject":"x402_bazaar:https://jwt.openverbs.com/v1/sign","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. 0x698db7461e12ae51d498239e194af85816fff3a4338f4fe1d75cfc3ca8cdd07a
2. 0x6d9f2fef3384943911e6c5b1905e87afaaea9f6fdd698a32330ecfd6ed328003
3. 0xe696f62cbe2b4d1142bc9afc6e8c7533e63687c544f1f0b20f7e00ad225c56dc
4. 0x6bf768d5e931a2fed247c5e4ec24b52ddc647e452f236c9c9eccb620714b7f7c
5. 0xfc910e6303ba6414dd5adfe4f15c3c34f5e3ed5ae66b11628bc63352eb13cba4
6. 0x77e3c44b283f3f681f337f09859652a6993336cee67010b2c7351a6827637cbf
7. 0x9112fdde54863b8174cf88eed81be94e8e7167dbbd44e71c865397e0908efabb
8. 0xea567d19f5d753aacabc18ad840eb2f3ab984a0f9f550c3e34656af06d0d2299
9. 0xcfea3d374e09f3953efca8897edd1e7d29fad8cb44d3ae4b2edf59bc292470ca
10. 0x6b4a90af13dfa1f8aab9268ee64011e6443b055ffb0f0f11e33c1a0847946fc9
11. 0xe8b20383a9232d45872f50d7c4c484b3ffe756328a5a1e2d63218cd46b95695c
12. 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
13. 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
14. 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae