← The evidence ledger
Evidence row 2201490
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://package-registries.x402tookit.com/nuget-health
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7c257486244239f1fc750fe519679fbbf1779a101c60e5a6fe3c62fc0e27864a
- Leaf
- 0x7016ba68a6fe6352a626533e48da2e03b7cc17a5ed6d56f8c4c30e8cc354f9df
What was observed
{
"endpoints": [
[
"x402",
"https://package-registries.x402tookit.com/nuget-health"
]
],
"name": "Package Registries",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "50000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Health of a .NET NuGet package: latest release age, downloads, verified owner, deprecation and known-vulnerability flags.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"id": "Newtonsoft.Json"
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-10-11T05:29:30.710Z",
"authors": [
"James Newton-King"
],
"daysSinceLatest": 389,
"degraded": false,
"deprecated": null,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"id": "Newtonsoft.Json",
"latestPublished": "2025-09-16T08:13:09.313+00:00",
"latestVersion": "13.0.4",
"license": "MIT",
"listed": true,
"notChecked": [
"vulnerabilities not yet in NuGet's advisory data",
"code quality or malicious code",
"…2 more"
],
"owners": [
"dotnetfoundation",
"jamesnk",
"…1 more"
],
"projectUrl": "https://www.newtonsoft.com/json",
"reasons": [
"Not deprecated.",
"No vulnerabilities recorded on the latest version.",
"…1 more"
],
"source": "NuGet.org",
"sourceUrl": "https://www.nuget.org",
"summary": "Newtonsoft.Json 13.0.4: last release 1 to 2 years ago (13 months ago); 9,325,394,018 downloads total; verified publisher prefix.",
"tags": [
"json"
],
"totalDownloads": 9325394018,
"verdict": "QUIET",
"verifiedPrefix": true,
"versionCount": 53,
"vulnerabilities": []
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"id": {
"description": "Package id, e.g. Newtonsoft.Json",
"type": "string"
}
},
"required": [
"id"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"authors": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"daysSinceLatest": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"deprecated": {},
"disclaimer": {
"type": [
"null",
"string"
]
},
"id": {
"type": [
"null",
"string"
]
},
"latestPublished": {
"type": [
"null",
"string"
]
},
"latestVersion": {
"type": [
"null",
"string"
]
},
"license": {
"type": [
"null",
"string"
]
},
"listed": {
"type": [
"boolean",
"null"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"owners": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"projectUrl": {
"type": [
"null",
"string"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"tags": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"totalDownloads": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"verifiedPrefix": {
"type": [
"boolean",
"null"
]
},
"versionCount": {
"type": [
"null",
"number"
]
},
"vulnerabilities": {
"type": [
"array",
"null"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T23:42:27.384Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-11-01T23:42:27.216Z"
},
"resource": "https://package-registries.x402tookit.com/nuget-health",
"serviceName": "Package Registries",
"tags": [
"dotnet",
"nuget",
"dependencies",
"supply-chain"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Health of a .NET NuGet package: latest release age, downloads, verified owner, deprecation and known-vulnerability flags."
}What the leaf hashes
{"body":"7c257486244239f1fc750fe519679fbbf1779a101c60e5a6fe3c62fc0e27864a","id":2201490,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646805707113,"prev":null,"subject":"x402_bazaar:https://package-registries.x402tookit.com/nuget-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).
- 0x7016b83e064e987d4e19213ce3fe91e2eafb4002f43345c759436a6eb2c56817
- 0x07da75a016a46ff8c349e7895d652bf57bd8889307c302f8cadbda823733a038
- 0x60241aa818f8170cd5986d931b24c5577be531bf5f877f252989c08b27ceee16
- 0xb720bec73f62d0730dc7d696a38d6e1ac93f079061f682a623ef44db953f6609
- 0x46d9ff543ee17f0ff8beff772edc298235022547d48e831120f2d1da36913c8b
- 0x9c41ae91647e62a6c4b11ae0dd8b26afba6f1eaccf9a72a0d59d3e267885efe7
- 0x9e5d6abf8a4d47be07c67743fea1eacfa46e556fc04d826353168b461738d623
- 0xabd417bb107fe31932346cc0388c70b9d55f48002f46328d77de855eb6a0384b
- 0x2eed959b5fe8d163ceec890ffa251681df198f3332cbdb4340a450b95524aa56
- 0xedf79f9c3de2a0436ae5218c5a2550500fc574f08ff2bb6a13ef0d84f9108587
- 0x373c796320c7df6f6eee00262e8f9be2de66a996c95036bbc134572a4e11ed35
- 0xfae5eba0f7987b5c42177d337465c3ecc14624ad4cad3ffd025f9ac681fc2c37
- 0x608160924e1d66c9701d48e69e878606fa6a4dd94a73d3f0570dadb0c3de65b3
- 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
- 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
- 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
- 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af