← The evidence ledger
Evidence row 2201210
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://security-math.x402tookit.com/encoded-length
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a3df622f73b89fb2f4db1c81e4e2fc1f2df3a4d392b26da10218316ccf15aab6
- Leaf
- 0xf576684ce48db54f48c5ee9f2e9d29cdc48f872f5ba147a26a7a926301185eef
What was observed
{
"endpoints": [
[
"x402",
"https://security-math.x402tookit.com/encoded-length"
]
],
"name": "Security Math",
"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": "Encoded length of N bytes in hex, base64, base32, base58, base85, decimal or any base-N alphabet, and bytes per N characters.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"bytes": 32
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T14:38:13.528Z",
"bits": 256,
"bytes": 32,
"bytesPer100Characters": {
"base32": 62,
"base58": 73,
"base64": 75,
"base85": 80,
"hex": 50
},
"characters": {
"base32Padded": 56,
"base32Unpadded": 52,
"base58MaxForNonZeroLeadingByte": 44,
"base64Padded": 44,
"base64Unpadded": 43,
"base85Ascii85": 40,
"binary": 256,
"decimal": 78,
"hex": 64,
"octal": 86
},
"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.",
"notChecked": [
"base58 of data with leading zero bytes (each adds one '1' character) and its exact length, which depends on the value",
"line wrapping (MIME base64 adds a CRLF every 76 characters)",
"…1 more"
],
"overheadPercentBase64": 37.5,
"overheadPercentHex": 100,
"reasons": [
"Length = ceil(8 x bytes / log2(alphabet size)); padded base64 and base32 round up to groups of 4 and 8 characters.",
"Base85 here is Ascii85: 4 bytes become 5 characters, a final partial group of r bytes becomes r+1."
],
"source": "computed locally",
"summary": "32 bytes: 64 hex characters, 44 base64 (43 unpadded), 56 base32, up to 44 base58.",
"verdict": "COMPUTED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"alphabetSize": {
"description": "Optional custom alphabet size N (2 to 256): adds the length in base-N",
"type": "integer"
},
"bytes": {
"description": "Number of bytes to encode, 0 to 1e12 (a UUID is 16, a SHA-256 digest is 32)",
"type": "number"
}
},
"required": [
"bytes"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"bits": {
"type": [
"null",
"number"
]
},
"bytes": {
"type": [
"null",
"number"
]
},
"bytesPer100Characters": {
"properties": {
"base32": {
"type": [
"null",
"number"
]
},
"base58": {
"type": [
"null",
"number"
]
},
"base64": {
"type": [
"null",
"number"
]
},
"base85": {
"type": [
"null",
"number"
]
},
"hex": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"characters": {
"properties": {
"base32Padded": {
"type": [
"null",
"number"
]
},
"base32Unpadded": {
"type": [
"null",
"number"
]
},
"base58MaxForNonZeroLeadingByte": {
"type": [
"null",
"number"
]
},
"base64Padded": {
"type": [
"null",
"number"
]
},
"base64Unpadded": {
"type": [
"null",
"number"
]
},
"base85Ascii85": {
"type": [
"null",
"number"
]
},
"binary": {
"type": [
"null",
"number"
]
},
"decimal": {
"type": [
"null",
"number"
]
},
"hex": {
"type": [
"null",
"number"
]
},
"octal": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"overheadPercentBase64": {
"type": [
"null",
"number"
]
},
"overheadPercentHex": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"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": "2026-11-02T04:08:19.303Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:08:19.155Z"
},
"resource": "https://security-math.x402tookit.com/encoded-length",
"serviceName": "Security Math",
"tags": [
"base64",
"base58",
"encoding",
"length"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Encoded length of N bytes in hex, base64, base32, base58, base85, decimal or any base-N alphabet, and bytes per N characters."
}What the leaf hashes
{"body":"a3df622f73b89fb2f4db1c81e4e2fc1f2df3a4d392b26da10218316ccf15aab6","id":2201210,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801286975,"prev":null,"subject":"x402_bazaar:https://security-math.x402tookit.com/encoded-length","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).
- 0xf57632f3f1246515698884aaf62c406b6843f12d2f3b01320943081be6047c24
- 0x610921d9585e05e2d7840f32d30ba71ad8eaf209a532347021b60d9cebc23abe
- 0xb7b08fa9404f4100109fc7c5579efa6a802d502c5eb35f8d3324bba4f7aa6450
- 0x6274f0541774784dd3b240927ecae6b04f6240b8b4ac7a3a654087a480f01f72
- 0xc0d9271a99a59b541009c6e72b1587d035f86794a4f81ef4e8821bfda064af1d
- 0x03b7fae6b0af610f720005f22f6adb83df08b8f42c8fb57ffe6466d94bb7a439
- 0xdf4d38061566de072f63325edcfac0be8d710664c21a75a816e333bf8d21c547
- 0x33827261799779fe826ae2b86abeab63ccd156b12fbcdef014411f42902dc93b
- 0xdb39c8c1e8dd664137e632ca766ab80cf6600eb079df38b7fe824fa46291da67
- 0xe9f55a1c526ca437aba9070d317820145b9ffb519d8e58da32146c292244a27c
- 0xf88ffab9e660a2924ea3deb734ff7cbd058ff96c1f240523e0e20994eee49632
- 0x357b8b944aeb5a828c72699fe2ac56982a5ebd57521270f90ff495bcf87b9654
- 0x54a66ecba86fe13527453978f73a6a3d80e1817889872b25f2a79c90d4b86982
- 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
- 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
- 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
- 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af