← The evidence ledger
Evidence row 118667
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/regexTest
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d1b09f3c1505157e9645b85791e84bf2dec7a4972dc3c4ebd08219cad2165a91
- Leaf
- 0xb0a0420b0e6d56200e31353f176922b51386664dd6240dfe01caa17634a9dc58
What was observed
{
"endpoints": [
[
"x402",
"https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/regexTest"
]
],
"name": "Sindri",
"owner_address": "0x548efd4f4d4a5c3669dbb4cbb2b1a637feeec5f6",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x548eFd4f4d4A5C3669dbb4CBB2B1A637FeeEc5F6",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "APer2AbhckyMWyJanW2MZ2eRLcpL9Lmhks8rkmXfqjRG",
"scheme": "exact"
}
],
"description": "Tests a regular expression pattern against a string, guarded against catastrophic backtracking (ReDoS) by running the match in an isolated worker thread with a hard 500ms timeout that fails closed.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"pattern": "^[a-z]+$",
"testString": "hello"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"matched": true,
"params": {
"flags": "",
"pattern": "^[a-z]+$",
"testString": "hello"
}
},
"ok": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"flags": {
"default": "",
"description": "Regex flags (g, i, m, s, u, y). Optional.",
"type": "string"
},
"pattern": {
"description": "Regular expression pattern (without slashes). Max 200 characters.",
"type": "string"
},
"testString": {
"description": "String to test the pattern against. Max 10,000 characters.",
"type": "string"
}
},
"required": [
"pattern",
"testString"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
},
"builder-code": {
"info": {
"a": "x402_api_vendor",
"s": [
"cdp_sdk_server"
]
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"a": {
"description": "App builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"s": {
"description": "Service builder codes",
"items": {
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
},
"maxItems": 11,
"type": "array"
},
"w": {
"description": "Wallet builder code",
"pattern": "^[a-z0-9_]{1,32}$",
"type": "string"
}
},
"type": "object"
}
},
"eip2612GasSponsoring": {},
"erc20ApprovalGasSponsoring": {}
},
"lastUpdated": "2026-09-29T20:34:38.733Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-09-29T20:34:38.612Z"
},
"resource": "https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/regexTest",
"serviceName": "Sindri",
"tags": [
"regex",
"pattern matching",
"redos safe"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Tests a regular expression pattern against a string, guarded against catastrophic backtracking (ReDoS) by running the match in an isolated worker thread with a hard 500ms timeout that fails closed."
}What the leaf hashes
{"body":"d1b09f3c1505157e9645b85791e84bf2dec7a4972dc3c4ebd08219cad2165a91","id":118667,"kind":"listing","method":"baseline/1","observed_us":1793025613581052,"prev":null,"subject":"x402_bazaar:https://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/regexTest","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.