← The evidence ledger
Evidence row 2201972
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://dev-utils.x402tookit.com/regex-test
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f8d5b41fe269c14ccc0e0590ae175f7cbe5f24aec89859b46737e37b0ff0a73f
- Leaf
- 0x6756161fda154c89db9f950cdd545104ccf1abddcedfe9cd484ce59059e51603
What was observed
{
"endpoints": [
[
"x402",
"https://dev-utils.x402tookit.com/regex-test"
]
],
"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": "Run a JS regex on text: matches, groups, indexes. Capped input and a time budget stops catastrophic backtracking.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"flags": "g",
"pattern": "(?<year>\\d{4})-(\\d{2})",
"text": "Released 2026-03, patched 2026-05."
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-21T15:48:33.392Z",
"budgetMs": 300,
"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.",
"flagsUsed": "g",
"matchCount": 2,
"matches": [
{
"end": 16,
"groups": [
"2026",
"03"
],
"index": 9,
"match": "2026-03",
"named": {
"year": "2026"
}
},
{
"end": 33,
"groups": [
"2026",
"05"
],
"index": 26,
"match": "2026-05",
"named": {
"year": "2026"
}
}
],
"notChecked": [
"other regex dialects (PCRE, Python, Go, RE2 differ from JavaScript)",
"performance on inputs longer than the cap",
"…1 more"
],
"reasons": [],
"source": "computed locally (JavaScript RegExp in an isolated worker)",
"summary": "2 match(es); first at index 9.",
"timedOut": false,
"tookMs": 19,
"truncated": false,
"verdict": "MATCHED"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"flags": {
"description": "Any of gimsuyd, default g (without g only the first match is returned)",
"type": "string"
},
"pattern": {
"description": "JavaScript regex source without slashes, up to 500 chars",
"type": "string"
},
"text": {
"description": "Text to search, up to 20000 chars",
"type": "string"
}
},
"required": [
"pattern",
"text"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"budgetMs": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"flagsUsed": {
"type": [
"null",
"string"
]
},
"matchCount": {
"type": [
"null",
"number"
]
},
"matches": {
"items": {
"properties": {
"end": {
"type": [
"null",
"number"
]
},
"groups": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"index": {
"type": [
"null",
"number"
]
},
"match": {
"type": [
"null",
"string"
]
},
"named": {
"properties": {
"year": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"timedOut": {
"type": [
"boolean",
"null"
]
},
"tookMs": {
"type": [
"null",
"number"
]
},
"truncated": {
"type": [
"boolean",
"null"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:49:39.024Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:49:38.854Z"
},
"resource": "https://dev-utils.x402tookit.com/regex-test",
"serviceName": "Developer Utilities",
"tags": [
"regex",
"developer-tools",
"text"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Run a JS regex on text: matches, groups, indexes. Capped input and a time budget stops catastrophic backtracking."
}What the leaf hashes
{"body":"f8d5b41fe269c14ccc0e0590ae175f7cbe5f24aec89859b46737e37b0ff0a73f","id":2201972,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646811085790,"prev":null,"subject":"x402_bazaar:https://dev-utils.x402tookit.com/regex-test","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).
- 0x6755ce1ea2dc21dde7dcc3fd0c961dad29d3578d5f5391c4967b01e9a03d6f55
- 0x685a3504723a4a2db93b3d505c6edc4d7c9a4beb8d59c21c407530496623f41d
- 0x0a05e8e3f6751c48554d583178f90ff4a83154c87e980ddb08926b56f5456c87
- 0x1247ac10781800b337d365e08d2dd4f5f01b2c50659098dfe873c594ec3ce1b6
- 0x68e176365d5f6531c5e64de08f96663818790dd631fc3523606e5fafdeee0112
- 0xd54c702fceff1ce5937668dc318c49baa4166d572bdc6c6c8f5ac81436dc46e4
- 0x7760363c9ea6a7e66f97683a624375d8f6291dd062d1b1a7d329500d6f563469
- 0x9e01064a2804fcdc6157297a4736483f3a0e7f0a92d8360489a70d0274f22655
- 0x146e5d8c30d284ad8ae15965dedd29da4b9350c0692cb17899d7219668e667f1
- 0x3d3813bcecde455b3971661a1ae43de0cdb253873cfc2d80d4a9077c5852fd91
- 0x4a5e75b333600b2e6846ffea65a671f83bef25d2ee2f0f9a05f79ddfb282d57c
- 0xafbca494e50a3e802cc29be04745764c359231efd8cff417b639a8de09c4e118
- 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
- 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
- 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
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- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af