← The evidence ledger
Evidence row 2201971
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-utils.x402tookit.com/user-agent-parse
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f71f92d36f02e68f3661d8bb6033190c672e9395692cd12208095a5fedaac98f
- Leaf
- 0xf1ae920c67a203694561859d46ea7c270ca3c182e735221c6f7fe8688c5fa1da
What was observed
{
"endpoints": [
[
"x402",
"https://dev-utils.x402tookit.com/user-agent-parse"
]
],
"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": "Parse a User-Agent string: browser, OS, device class (desktop, mobile, tablet, tv, bot) and a bot flag.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"ua": "Mozilla/5.0 (iPhone; CPU iPhone OS 17_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1 Mobile/15E148 Safari/604.1"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T15:48:33.656Z",
"bot": false,
"botKind": null,
"botName": null,
"browser": {
"engine": "WebKit",
"name": "Safari",
"version": "17.1"
},
"degraded": false,
"deviceClass": "mobile",
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"length": 135,
"notChecked": [
"whether the string is genuine (any client can claim any user agent)",
"bot verification by reverse DNS or IP range",
"…1 more"
],
"os": {
"name": "iOS",
"version": "17.1"
},
"reasons": [],
"source": "computed locally",
"summary": "Safari 17.1 on iOS 17.1, mobile.",
"verdict": "PARSED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"ua": {
"description": "The User-Agent header value, up to 600 characters",
"type": "string"
}
},
"required": [
"ua"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"bot": {
"type": [
"boolean",
"null"
]
},
"botKind": {},
"botName": {},
"browser": {
"properties": {
"engine": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"version": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"deviceClass": {
"type": [
"null",
"string"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"length": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"os": {
"properties": {
"name": {
"type": [
"null",
"string"
]
},
"version": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"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": "2026-11-01T22:49:42.042Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:49:41.882Z"
},
"resource": "https://dev-utils.x402tookit.com/user-agent-parse",
"serviceName": "Developer Utilities",
"tags": [
"user-agent",
"bots",
"analytics",
"developer-tools"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Parse a User-Agent string: browser, OS, device class (desktop, mobile, tablet, tv, bot) and a bot flag."
}What the leaf hashes
{"body":"f71f92d36f02e68f3661d8bb6033190c672e9395692cd12208095a5fedaac98f","id":2201971,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811082274,"prev":null,"subject":"x402_bazaar:https://dev-utils.x402tookit.com/user-agent-parse","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).
- 0xf1ae9afd6df558235526e8ad684a5d59c6cf89d547081b509eeee037719f3108
- 0xb44742b43f5c1d32a4dc8021c98787fd93f9ec5c8ca5c4fa8aeb2c53f1abc5fd
- 0x93d88e82c4acdc7bbdcfe62d7176abc48428d0d8fef7c3d36f194c2c9c9ec555
- 0x6f4f115383b1b31cc56f0f3f692869b923fa80a39ec682a9983865f87e27d7c2
- 0x5b3d12f8274716920d0fb095a33dd7c8ad9145b87b9e84703cdd12bfd018912e
- 0x728fb2f55c2dcbb6298a3c7873529b33cc423b51ccd237c671a8b37f5bd7196c
- 0xb5e3124c1cde21b52ee891c993a53ecc11374715d1f8ae8b4338fb6a1a1bad02
- 0x876587821fc5d331cf664fd8a70be8036031fe09cc5d49973c190de76f8d632d
- 0x741034ff808575914e6e0a234e747f21ac706702193d71687bb170ab3e800f9e
- 0xeda4ee1d6939b7b6e98e6fd3f02b667fc258e2b6548aebb87832a1b4e5c7e833
- 0x524cc790fd0b51cdb2aa348ae9ccb36a08ded8f64237535924a01130cbfefa56
- 0xb1cfd9a92a45cec10e39ecd4e3a55abe88d7bed40e1bf1019d4093968673e4e9
- 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
- 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
- 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
- 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af