← The evidence ledger
Evidence row 2201208
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://security-math.x402tookit.com/password-entropy
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b55f040c4be66f8e4f83d79a4a70091f61f24c130cc2a5b8fa7322b51ff720dc
- Leaf
- 0xd1689d0bb4443fed02fe6521d51d38befb8695d551c4ac7f99be31708b360900
What was observed
{
"endpoints": [
[
"x402",
"https://security-math.x402tookit.com/password-entropy"
]
],
"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": "Entropy bits for a random password policy, PIN or diceware passphrase from length and alphabet, with crack-time ranges.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"length": 4,
"poolSize": 7776,
"words": "true"
},
"type": "http"
},
"output": {
"example": {
"alphabetOrListSize": 7776,
"asOf": "2026-10-11T14:38:14.054Z",
"bitsPerUnit": 12.925,
"characterClassSizes": {
"digits": 10,
"lower": 26,
"symbols": 32,
"upper": 26
},
"crackTimes": [
{
"assumption": "online login with lockouts or rate limiting (about 1 guess per second)",
"attacker": "online-throttled",
"averageTime": "5.79e+7 years",
"guessesPerSecond": 1,
"worstCaseTime": "1.16e+8 years"
},
{
"assumption": "online login with no rate limiting (about 1,000 guesses per second)",
"attacker": "online-unthrottled",
"averageTime": "57928 years",
"guessesPerSecond": 1000,
"worstCaseTime": "115857 years"
}
],
"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.",
"entropyBits": 51.7,
"length": 4,
"log10Guesses": 15.56,
"notChecked": [
"real passwords: NEVER send one here; this takes only a length and alphabet size",
"human-chosen passwords, which have far less entropy than uniformly random ones (dictionary words, patterns, reuse, breaches)",
"…2 more"
],
"rating": "reasonable for low-value online accounts only",
"reasons": [
"Entropy = length x log2(alphabet size), valid ONLY if every choice is uniformly random (dice, a password manager); human-chosen passwords are much weaker.",
"Crack times assume the attacker must search on average half the space; the attacker speeds are illustrative orders of magnitude, not benchmarks.",
"…1 more"
],
"source": "computed locally (information theory)",
"summary": "4 random words from a list of 7776: 51.7 bits of entropy (reasonable for low-value online accounts only).",
"unit": "words",
"verdict": "MODERATE"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"digits": {
"description": "true if 0-9 are used (default false)",
"type": "string"
},
"length": {
"description": "Number of random characters (or words when words=true), 1 to 1000",
"type": "integer"
},
"lower": {
"description": "true if a-z are used (default true)",
"type": "string"
},
"poolSize": {
"description": "Override: exact alphabet size, or word-list size when words=true (diceware = 7776)",
"type": "integer"
},
"symbols": {
"description": "true if the 32 ASCII punctuation symbols are used (default false)",
"type": "string"
},
"upper": {
"description": "true if A-Z are used (default false)",
"type": "string"
},
"words": {
"description": "true for a passphrase of random words drawn from poolSize words",
"type": "string"
}
},
"required": [
"length"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"alphabetOrListSize": {
"type": [
"null",
"number"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"bitsPerUnit": {
"type": [
"null",
"number"
]
},
"characterClassSizes": {
"properties": {
"digits": {
"type": [
"null",
"number"
]
},
"lower": {
"type": [
"null",
"number"
]
},
"symbols": {
"type": [
"null",
"number"
]
},
"upper": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"crackTimes": {
"items": {
"properties": {
"assumption": {
"type": [
"null",
"string"
]
},
"attacker": {
"type": [
"null",
"string"
]
},
"averageTime": {
"type": [
"null",
"string"
]
},
"guessesPerSecond": {
"type": [
"null",
"number"
]
},
"worstCaseTime": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"entropyBits": {
"type": [
"null",
"number"
]
},
"length": {
"type": [
"null",
"number"
]
},
"log10Guesses": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"rating": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"unit": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-02T04:08:22.017Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-02T04:08:21.864Z"
},
"resource": "https://security-math.x402tookit.com/password-entropy",
"serviceName": "Security Math",
"tags": [
"password",
"entropy",
"passphrase",
"crack-time"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Entropy bits for a random password policy, PIN or diceware passphrase from length and alphabet, with crack-time ranges."
}What the leaf hashes
{"body":"b55f040c4be66f8e4f83d79a4a70091f61f24c130cc2a5b8fa7322b51ff720dc","id":2201208,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646801281180,"prev":null,"subject":"x402_bazaar:https://security-math.x402tookit.com/password-entropy","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).
- 0xd168db359fc0a9246531ee6318f88d048035a3ef67153ab402c74230785ffe2a
- 0x3665ca43ca334686d3c455a609cc9f2b7c4e36f6b0a78a08df1a3427d95d4dfd
- 0x983c7a7f919effd36a8724d9fb97278f7443681e3beebec2bcbbdd94d525668e
- 0x2ac0fd3592577920a7f51325c936b4e12f3171447fef46f8b53c3c9a43f40815
- 0xe3d4d26d2140cbe5be2b7f20edb7c9c88a4c76dc5af1e72a21c7a966f69fbaf2
- 0xbf8df973ae369807730a466732d266edc25d2eaea37127b02918e1343a1a9bae
- 0x6312dfac083e703cfc0de2adff14fc59cc269f60ce3be7f8ffa0bc5d4af6f50a
- 0x7968a1eacfcf5e54195602f4cd90ba97d4be58fa47706295f7463da71a398425
- 0x1e99a38b3d54c14de9e01fba80c4af83d0d76e615a8628e8dd6e495db6eddcd1
- 0x0499a1145705cf70f68a7199155abf744cb544eaeca523c08f87b84b0608b83c
- 0x0043fd7dbf6bf66daab92f06b0041e49f59aedc5e76df4e49e1f8f1f73ff1074
- 0x6c6cb72d745b4a8ad150be4760c8154b49f6ad35e9d44abb2daa660451d19280
- 0xc68903bc934de8372c6b911a71856ad742aaac2d4b2de9ce90e84a085da4373d
- 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
- 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
- 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af