← The evidence ledger
Evidence row 2201495
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://package-registries.x402tookit.com/crate-health
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b1ec842dfa307981f64fd24c551268080fb3923c6dc0068869ba7cedacb9d132
- Leaf
- 0xbd2858946e0a8f21da363d7d2e715c96dc413f134dd24ff2a22ea55026711d39
What was observed
{
"endpoints": [
[
"x402",
"https://package-registries.x402tookit.com/crate-health"
]
],
"name": "Package Registries",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Health of a Rust crate on crates.io: latest release age, downloads, license, yanked versions, owners and repository.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"name": "serde"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T05:29:28.528Z",
"created": "2014-12-05T20:20:39.487502Z",
"daysSinceLatest": 84,
"degraded": false,
"description": "A generic serialization/deserialization framework",
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"homepage": "https://serde.rs",
"latestPublished": "2026-07-18T23:05:13.266456Z",
"latestVersion": "1.0.229",
"license": "MIT OR Apache-2.0",
"name": "serde",
"notChecked": [
"vulnerabilities (use /vuln-package on the vuln-intel shelf, or RustSec)",
"code quality or malicious code",
"…2 more"
],
"ownerCount": 2,
"reasons": [
"3 of 316 versions are yanked.",
"License: MIT OR Apache-2.0.",
"…1 more"
],
"recentDownloads90d": 352976503,
"repository": "https://github.com/serde-rs/serde",
"rustVersion": "1.56",
"source": "crates.io",
"sourceUrl": "https://crates.io",
"summary": "serde 1.0.229: released within 6 months (3 months ago); 1,510,745,783 downloads total, 352,976,503 in the last 90 days; license MIT OR Apache-2.0.",
"totalDownloads": 1510745783,
"verdict": "ACTIVE",
"versionCount": 316,
"yankedVersions": 3
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"name": {
"description": "Crate name, e.g. serde",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"created": {
"type": [
"null",
"string"
]
},
"daysSinceLatest": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"description": {
"type": [
"null",
"string"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"homepage": {
"type": [
"null",
"string"
]
},
"latestPublished": {
"type": [
"null",
"string"
]
},
"latestVersion": {
"type": [
"null",
"string"
]
},
"license": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"ownerCount": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"recentDownloads90d": {
"type": [
"null",
"number"
]
},
"repository": {
"type": [
"null",
"string"
]
},
"rustVersion": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalDownloads": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"versionCount": {
"type": [
"null",
"number"
]
},
"yankedVersions": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:42:11.557Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:42:11.288Z"
},
"resource": "https://package-registries.x402tookit.com/crate-health",
"serviceName": "Package Registries",
"tags": [
"rust",
"crates",
"dependencies",
"supply-chain"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Health of a Rust crate on crates.io: latest release age, downloads, license, yanked versions, owners and repository."
}What the leaf hashes
{"body":"b1ec842dfa307981f64fd24c551268080fb3923c6dc0068869ba7cedacb9d132","id":2201495,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805722141,"prev":null,"subject":"x402_bazaar:https://package-registries.x402tookit.com/crate-health","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).
- 0xbd28544078331a6d6180c3493f9dc20ea1f0dcd9826cb7a9517cf8a0b8d47799
- 0x961c85296c3d402dc618a1a65b636dc60610dadd8b3cb93d788e661e4459b1d5
- 0xf60b5e7b619b61ab0a9103c26bf33a7073a204fd48e6fd66cb5c59fee876675d
- 0xe1189dc301b663bbc4f40cd6d737c94e1ceec0c8d96ec16a288c83d74aea72be
- 0xf705940ea14ef94c3013d157d6d9e54ef8590654816958cd05ce39174536cd68
- 0x28eaa0bc4757a5d8a4073e6094f3669961b13e2c4ba95b82d870cc4712daad74
- 0x97d184b176227d239f00611144e31cffa54033b7a485911dd3c1ad92d52eb993
- 0x4d560c2d5be9aec0fd5ef9a123980ed59fa99c952396df3b8236ae50d8c0b0a3
- 0xa4ddac3d7e9d1c576d9cf6d7bde499324e9d00f08c022825af4ba857e8e5629f
- 0xcdf9b61c33d56e31d2e595634b47c36d6d0d2d3b125084802251b9d2e3d293f9
- 0x390b89450b8da13dbf615a50c34fea490249f6b2ad8c307bfe7540d0d6973dc2
- 0x2125e33545378f38f6b289948fbb39dbb1e50e75daaac839754e4c6b0b27f9b8
- 0x047210a388d428d19c536816e7de36503493563ebf77985dcdc7335f49f50a17
- 0x5483702efe692d367a569024f6ed01075bb22b39176302aa223f423906e01c1e
- 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
- 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
- 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af