← The evidence ledger
Evidence row 407185
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/package/preflight
- Recorded
- Previous row
- #76453
- Body SHA-256
- c1e7d7fda457274091ed1547838344a416df752aaff0fe7123d3cd18a9cd48f9
- Leaf
- 0xdf5d9f45ccfcfd3c025dbd32abbbc9ea7da18f86b266ab83f012709e4379693e
What was observed
{
"endpoints": [
[
"x402",
"https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/package/preflight"
]
],
"name": "Forest Packages",
"owner_address": "0xb48d918151311f982d542ef5c84cc1cd54cff7a9",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xb48D918151311F982d542eF5C84cc1cd54CFf7a9",
"scheme": "exact"
}
],
"description": "Verify whether a specific npm or PyPI package version exists before installation, resolve the current/latest version, and report deprecation or yank state when available, plus license and runtime requirement. This is a public-registry package install preflight; it does not resolve dependency graphs or perform vulnerability analysis. Base mainnet USDC",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"ecosystem": "npm",
"package": "express",
"version": "5.1.0"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"capability": "package.preflight",
"data": {
"deprecated": false,
"ecosystem": "npm",
"exists": true,
"latest_version": "5.1.0",
"license": "MIT",
"outdated": false,
"package": "express",
"project_url": "https://expressjs.com/",
"registry_url": "https://registry.npmjs.org/express",
"requested_version": "5.1.0",
"requested_version_exists": true,
"requires_runtime": ">= 18",
"resolved_version": "5.1.0",
"yanked": null
},
"meta": {
"cache": "miss",
"checked_at": "2026-09-26T00:00:00.000Z",
"duration_ms": 25,
"provider": "npm"
},
"ok": true,
"version": "1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"ecosystem": {
"description": "Public ecosystem value used to scope this lookup.",
"enum": [
"npm",
"pypi"
]
},
"package": {
"description": "Public package name to inspect.",
"maxLength": 214,
"minLength": 1,
"type": "string"
},
"version": {
"description": "Package version whose public metadata should be checked.",
"maxLength": 128,
"minLength": 1,
"type": "string"
}
},
"required": [
"ecosystem",
"package"
],
"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": {
"additionalProperties": false,
"properties": {
"capability": {
"const": "package.preflight",
"description": "Public capability value used to scope this lookup."
},
"data": {
"additionalProperties": false,
"description": "Public data value used to scope this lookup.",
"properties": {
"deprecated": {
"description": "Public requested version exists value used to scope this lookup.",
"type": [
"boolean",
"null"
]
},
"ecosystem": {
"description": "Public ecosystem value used to scope this lookup.",
"enum": [
"npm",
"pypi"
]
},
"exists": {
"description": "Public exists value used to scope this lookup.",
"type": "boolean"
},
"latest_version": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"license": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"outdated": {
"description": "Public requested version exists value used to scope this lookup.",
"type": [
"boolean",
"null"
]
},
"package": {
"description": "Public package name to inspect.",
"type": "string"
},
"project_url": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"registry_url": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"requested_version": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"requested_version_exists": {
"description": "Public requested version exists value used to scope this lookup.",
"type": [
"boolean",
"null"
]
},
"requires_runtime": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"resolved_version": {
"description": "Public requested version value used to scope this lookup.",
"type": [
"string",
"null"
]
},
"yanked": {
"description": "Public requested version exists value used to scope this lookup.",
"type": [
"boolean",
"null"
]
}
},
"required": [
"ecosystem",
"package",
"exists",
"requested_version",
"requested_version_exists",
"resolved_version",
"latest_version",
"outdated",
"deprecated",
"yanked",
"license",
"requires_runtime",
"project_url",
"registry_url"
],
"type": "object"
},
"meta": {
"additionalProperties": false,
"description": "Public meta value used to scope this lookup.",
"properties": {
"cache": {
"description": "Public cache value used to scope this lookup.",
"enum": [
"hit",
"miss",
"bypass"
]
},
"checked_at": {
"description": "Public checked at value used to scope this lookup.",
"type": "string"
},
"duration_ms": {
"description": "Public duration ms value used to scope this lookup.",
"minimum": 0,
"type": "integer"
},
"provider": {
"description": "Public provider value used to scope this lookup.",
"type": [
"string",
"null"
]
}
},
"required": [
"provider",
"checked_at",
"cache",
"duration_ms"
],
"type": "object"
},
"ok": {
"const": true,
"description": "Public ok value used to scope this lookup."
},
"version": {
"const": "1",
"description": "Package version whose public metadata should be checked."
}
},
"required": [
"ok",
"capability",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T23:19:02.112Z",
"quality": {
"l30DaysTotalCalls": 5,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-25T23:19:01.922Z"
},
"resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/package/preflight",
"serviceName": "Forest Packages",
"tags": [
"package",
"npm",
"pypi",
"registry",
"package-version"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Verify whether a specific npm or PyPI package version exists before installation, resolve the current/latest version, and report deprecation or yank state when available, plus license and runtime requirement. This is a public-registry package install preflight; it does not resolve dependency graphs or perform vulnerability analysis. Base mainnet USDC"
}What the leaf hashes
{"body":"c1e7d7fda457274091ed1547838344a416df752aaff0fe7123d3cd18a9cd48f9","id":407185,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080237689029,"prev":76453,"subject":"x402_bazaar:https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/package/preflight","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xdf5dcaff500e1f0a1ace46c26872483be5bbfe2df15bef8ac1dbbd5c86176add
- 0x6ec5f5c7e19e3f624db66e5abcff3e46274cfef71f483eccfb4e5c61b7db2a2c
- 0x71e4ea4c4f297b24149b5b7e1769b1704e69c1b521de6ebeaa43fce6ecda1948
- 0x40ea019367e7d04a9a537a2418a8d596c1f47e1629cf5e9b1ce4109a4e58f51b
- 0x60d0bf5c13b0527b9e8831ec6665f39c5fa305f13b5cc906c0619aa105bba351
- 0x24cb8ca59d5dba552d7f45e2ed7e2da3d44b0352d441be137993d2308b22a2c2
- 0x61e80a9284d99b2d534c69c8c56b95da79da87f173cb9dc7d4c7267a18b5e6f3
- 0x0f496e706dba6e14b56f312bed8e9f2dad6ee460548923cc875db2f3e8004d45
- 0x4b4347eac21dd00060563d1397a662a0ce8e959e22d939e2446aaea7ffa5e8cc
- 0x08e0f1bd6bf3e4c9b47c16b0b5b0237273606939ca8743780a1980f196214057
- 0x03709f74cb0b24c98dc70bc1ac073c88e08f993278d3f978839bc9507a8217cc
- 0x432466fcdd2910b1cfb374f6f8307f56042f761290246a54c4573b208b574ac2
- 0x979156f4f0a1ab811055c0a4d2b45bfa74d4bef619c176540454ee8d15e5bebc
- 0xf72dee7a0c7534cb19ede4959b957b00c0a8285c36ad49dd2ce1c1092bf60d93
- 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4