← The evidence ledger
Evidence row 1262475
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agents.crowdspark.me/v1/dev/package-advisories
- Recorded
- Previous row
- #1039576
- Body SHA-256
- a8da27051050b88eac6b8f45f954dde3e8f4374b476dd4a7edd5c9d2bccba80b
- Leaf
- 0x40d8799f0802522d317cd5723000e617dcf66ad70d9cb9176b39a403179821d8
What was observed
{
"endpoints": [
[
"x402",
"https://agents.crowdspark.me/v1/dev/package-advisories"
]
],
"name": "Agent Tools",
"owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
"scheme": "exact"
}
],
"description": "Free tier: 25 calls/day per IP with header X-Free-Call: 1 (or ?free=1), then pay per call. Check a package before installing it: known vulnerabilities for one npm, PyPI, cargo, Go or Maven package version (OSV.dev), fixed-in version, latest version and release date, licence, deprecated flag, and a safe, caution or avoid verdict with reasons. Version defaults to latest.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"ecosystem": "npm",
"name": "lodash",
"version": "4.17.20"
},
"type": "http"
},
"output": {
"example": {
"deprecated": false,
"ecosystem": "npm",
"latest_version": "4.18.1",
"licenses": [
"MIT"
],
"name": "lodash",
"reasons": [
"5 known advisories affect this version (worst: high)",
"a newer version exists"
],
"suggested_min_fixed_version": "4.18.0",
"verdict": "avoid",
"version": "4.17.20",
"version_checked": "requested",
"vulnerabilities": {
"by_severity": {
"HIGH": 2,
"MODERATE": 3
},
"count": 5,
"items": [
{
"cve": [
"CVE-2020-28500"
],
"fixed_in": [
"4.17.21"
],
"id": "GHSA-29mw-wpgm-hmr9",
"severity": "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": {
"ecosystem": {
"description": "Package ecosystem",
"enum": [
"npm",
"pypi",
"cargo",
"go",
"maven"
],
"type": "string"
},
"name": {
"description": "Package name, e.g. lodash or requests (maven: group:artifact)",
"type": "string"
},
"version": {
"description": "Optional. Defaults to the latest version",
"type": "string"
}
},
"required": [
"ecosystem",
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-30T00:21:05.548Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T00:21:04.945Z"
},
"resource": "https://agents.crowdspark.me/v1/dev/package-advisories",
"serviceName": "Agent Tools",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Free tier: 25 calls/day per IP with header X-Free-Call: 1 (or ?free=1), then pay per call. Check a package before installing it: known vulnerabilities for one npm, PyPI, cargo, Go or Maven package version (OSV.dev), fixed-in version, latest version and release date, licence, deprecated flag, and a safe, caution or avoid verdict with reasons. Version defaults to latest."
}What the leaf hashes
{"body":"a8da27051050b88eac6b8f45f954dde3e8f4374b476dd4a7edd5c9d2bccba80b","id":1262475,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385562719022,"prev":1039576,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/dev/package-advisories","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0x40d88f5d9a3296af123d00273334bd255d783d04a6ec4140f0b3f6725e533ba4
- 0x5cb0db43ea8bdb0ff14a44cd66bcb2da80e624a3d39bfae5c181d291e45f60f6
- 0x10bdfac3920d6ee6571496a422645aa83afbb3eeab3327666d1ace0f1d5198cc
- 0x43d3e0f1c70f8608e44ba7e3a29594c5d093e23eb488f44a065d201603f23578
- 0x62e76e5c9760b556dd60f792f4653d95c749cc413bfaa35cfa4efea7e27ba2a6
- 0xae42fc625aa1e3cafdab32291fd603a0e1fa9b101752ca260d9ec2c8c39db353
- 0x2e66b2d55d69a7a024e98ad9498bdfe013013edec6d2b97aa4667de12bab368e
- 0x9dba0763c12b164f0587087fc49fa885d9764845a587096006971879f04321ad
- 0x92c1243504d115e9d007547206b953b2697340417ed26aaf7769a2909742e96e
- 0x0ffdf88cc8914c035e0634e2b65ce966e7c9b82a200b7d503b4d5bf1f2555832
- 0x9846cbcb7a1bebc639615d7393b3d5347a07af0b33697f6030f6afc84b3195fa
- 0xe226567c96df43c9ffa01238eb3aea9c0de478ff057d56848a0462858afad839
- 0xcc206dc2f9e188db598d4b3a17da47efe415d2946ef4b3a478b5d02f3ddb1474
- 0x775f1cf1eda93a75a3d05aa8e7b45b258d1de91c21741301b1aa3d048fba588c
- 0xd7d5c71ec079257a487d0494049c896f97cf8bf7d89a43fea539777c548c96f3
- 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
- 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
- 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861