← The evidence ledger
Evidence row 2201974
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-utils.x402tookit.com/jwt-decode
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 19b2260dd8a1553e072c0aa7a2e8ffc29d8e43f6b5b28e851ff682bc825045ff
- Leaf
- 0x6c38b5cac46c7d6799df31727dee700fc87e80cf9491a033db6cf7f13289049d
What was observed
{
"endpoints": [
[
"x402",
"https://dev-utils.x402tookit.com/jwt-decode"
]
],
"name": "Developer Utilities",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "20000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Decode a JWT header and payload (no signature check) and flag alg none, expiry, nbf and missing claims.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"token": "eyJ0eXAiOiJKV1QiLA0KICJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ.dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk"
},
"type": "http"
},
"output": {
"example": {
"alg": "HS256",
"asOf": "2026-10-21T15:48:32.701Z",
"claimTimes": {
"exp": "2011-03-22T18:43:00.000Z"
},
"claimsMissing": [
"sub",
"aud",
"…1 more"
],
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"expired": true,
"flags": [
{
"code": "EXPIRED",
"message": "exp 2011-03-22T18:43:00.000Z is in the past (491778332 seconds ago).",
"severity": "HIGH"
},
{
"code": "CLAIMS_MISSING",
"message": "Missing common claims: sub, aud, iat.",
"severity": "LOW"
}
],
"header": {
"alg": "HS256",
"typ": "JWT"
},
"judgedAt": "2026-10-21T15:48:32.000Z",
"notChecked": [
"the signature (this decodes only: a decoded token is NOT proof it is genuine)",
"whether the issuer, audience or key are the ones you expect",
"…1 more"
],
"notYetValid": null,
"payload": {
"exp": 1300819380,
"http://example.com/is_root": true,
"iss": "joe"
},
"reasons": [
"HIGH: exp 2011-03-22T18:43:00.000Z is in the past (491778332 seconds ago).",
"LOW: Missing common claims: sub, aud, iat."
],
"secondsToExpiry": -491778332,
"signatureBytes": 32,
"source": "computed locally",
"summary": "Decoded a HS256 token with 2 flag(s); signature NOT verified.",
"verdict": "DECODED_WITH_PROBLEMS"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"now": {
"description": "ISO time to judge exp/nbf against, default now",
"type": "string"
},
"token": {
"description": "The JWT (three dot-separated parts). Use an expired or test token, never a live secret",
"type": "string"
}
},
"required": [
"token"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alg": {
"type": [
"null",
"string"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"claimTimes": {
"properties": {
"exp": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"claimsMissing": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"expired": {
"type": [
"boolean",
"null"
]
},
"flags": {
"items": {
"properties": {
"code": {
"type": [
"null",
"string"
]
},
"message": {
"type": [
"null",
"string"
]
},
"severity": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"header": {
"properties": {
"alg": {
"type": [
"null",
"string"
]
},
"typ": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"judgedAt": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"notYetValid": {},
"payload": {
"properties": {
"exp": {
"type": [
"null",
"number"
]
},
"http://example.com/is_root": {
"type": [
"boolean",
"null"
]
},
"iss": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"secondsToExpiry": {
"type": [
"null",
"number"
]
},
"signatureBytes": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:49:32.485Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:49:32.317Z"
},
"resource": "https://dev-utils.x402tookit.com/jwt-decode",
"serviceName": "Developer Utilities",
"tags": [
"jwt",
"auth",
"security",
"developer-tools"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Decode a JWT header and payload (no signature check) and flag alg none, expiry, nbf and missing claims."
}What the leaf hashes
{"body":"19b2260dd8a1553e072c0aa7a2e8ffc29d8e43f6b5b28e851ff682bc825045ff","id":2201974,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811092388,"prev":null,"subject":"x402_bazaar:https://dev-utils.x402tookit.com/jwt-decode","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x6c3884820e50240616278602b4587f4993b14e539cc540544eec91c0efce7467
- 0xbd003870369be95f4cc2ce77bcbaeaaf0a7a05a8b9017b2903542341ed6d5ffd
- 0x0ef9e9c94150b7f6f21d22244dec380b4fc1d2abed79a63b27b58cd5f50d0316
- 0x3c56fb63f912b3522bb16119c7be69d2c7165c399909c7013c223f5f5a78e8f3
- 0xcf0df987a85a95e86fbd83be4e0e3ffe931449317a9170e1a06bae7245e7c344
- 0x28e02390f31d75b070af6ac930df2671597e39e5552edf90788bd3ec65e58327
- 0xa860f8a1b8b61a3aef8467b696272f2e2ecc09c7143982a3a9adf9da2da03235
- 0xb5f1076d8cf44e93cc1515de14b8c8b82c9d750f1e7f38140dc0254bef8446f2
- 0xc3ddbb0a8c2cf6e0d298cf2d9985ea47f54cd3b40a38f483c9d7a26884e6b89c
- 0xeabad90b89bc37d2f4aeb9b6bf8998980cdf8f0bcad705ef4fd33fd80e40cd1b
- 0xdf821ee9bbf04dc6b1f5bb967ed750baddd6d277fb3005eb2d3e2b12d814d263
- 0xf0699dc3af903ce279fe702ae5cea714fed874298365bd17acc077a30e99efea
- 0x2fd2d9cf947c79681f19cce7449a6b4b73c256ceadacecd526a729734fb1339d
- 0x197bc18a6b8126dd9b52133f001dca55646ad9292aafa98222498ec1746809a4
- 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af