← The evidence ledger
Evidence row 76389
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://http--forest-gas-station--lcjl27p8lmjs.code.run/package/preflight
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3e9e4dfe3d281a14cff4c1e7d16704213aa336b8ce71a743490d070c54aa7c2a
- Leaf
- 0xce831952e61222ef2e239f76d88aeb8938559756c0412ee296f84a8c96c4cf34
What was observed
{
"endpoints": [
[
"x402",
"https://http--forest-gas-station--lcjl27p8lmjs.code.run/package/preflight"
]
],
"name": "Forest Gas Station",
"owner_address": "0xf9c2a7255e7c51d7bf38331dcfc23ba881cf61ba",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"extra": {
"name": "USDC",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:84532",
"payTo": "0xf9c2a7255E7C51D7BF38331DcFC23Ba881cF61Ba",
"scheme": "exact"
}
],
"description": "Normalize npm or PyPI package reality: existence, requested-version existence, resolved/latest version, staleness, deprecation/yank state when available, license and runtime requirement. No dependency graph or vulnerability analysis. Public registries only; unsupported provider fields are null.",
"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"outdated": false,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": {
"enum": [
"npm",
"pypi"
]
},
"package": {
"maxLength": 214,
"minLength": 1,
"type": "string"
},
"version": {
"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"
},
"data": {
"additionalProperties": false,
"properties": {
"deprecated": {
"type": [
"boolean",
"null"
]
},
"ecosystem": {
"enum": [
"npm",
"pypi"
]
},
"exists": {
"type": "boolean"
},
"latest_version": {
"type": [
"string",
"null"
]
},
"license": {
"type": [
"string",
"null"
]
},
"outdated": {
"type": [
"boolean",
"null"
]
},
"package": {
"type": "string"
},
"project_url": {
"type": [
"string",
"null"
]
},
"registry_url": {
"type": [
"string",
"null"
]
},
"requested_version": {
"type": [
"string",
"null"
]
},
"requested_version_exists": {
"type": [
"boolean",
"null"
]
},
"requires_runtime": {
"type": [
"string",
"null"
]
},
"resolved_version": {
"type": [
"string",
"null"
]
},
"yanked": {
"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,
"properties": {
"cache": {
"enum": [
"hit",
"miss",
"bypass"
]
},
"checked_at": {
"type": "string"
},
"duration_ms": {
"minimum": 0,
"type": "integer"
},
"provider": {
"type": [
"string",
"null"
]
}
},
"required": [
"provider",
"checked_at",
"cache",
"duration_ms"
],
"type": "object"
},
"ok": {
"const": true
},
"version": {
"const": "1"
}
},
"required": [
"ok",
"capability",
"version",
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-09-26T22:28:36.515Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-09-26T22:28:36.157Z"
},
"resource": "https://http--forest-gas-station--lcjl27p8lmjs.code.run/package/preflight",
"serviceName": "Forest Gas Station",
"tags": [
"coding",
"package",
"npm",
"pypi",
"preflight"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Normalize npm or PyPI package reality: existence, requested-version existence, resolved/latest version, staleness, deprecation/yank state when available, license and runtime requirement. No dependency graph or vulnerability analysis. Public registries only; unsupported provider fields are null."
}What the leaf hashes
{"body":"3e9e4dfe3d281a14cff4c1e7d16704213aa336b8ce71a743490d070c54aa7c2a","id":76389,"kind":"listing","method":"baseline/1","observed_us":1793025492208122,"prev":null,"subject":"x402_bazaar:https://http--forest-gas-station--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 (296695 rows).
- 0xce8307b70af40ef6c8df862c04a046faff0893b6f3e34990f6ef14ecab90ed1c
- 0xbc17336fbd7f4d4415ec4b23ec03845ef69571707e8f09aa00e722d2969b73d1
- 0xea2b8791d9969c0ce5c96805fc7b5f8a60ec994c5a8fc76ff23f18ed62149880
- 0x19dd3dc6794525d24d612254450d10a4ffb7599b620320a7367ed451c71b9b28
- 0x7cc0207926cf887c93dd9945becf43a6d2aef92765d1efdb324fcf0474f5fa6e
- 0x2a0fad3867257f259b411fa4b17bd01bee2ac641fd71cdb90a9317e337d74642
- 0xbb1ceae72df1f9f1f16be8b5e02125de0d3447c82e02b44c03d8596a9e94f580
- 0x8de6c84483b9e9b6d3eeec4bdae2698408691f1412173fd5d7d7e9166fed06df
- 0xa3e55f00ede32541050dbb65df4bfa209bd75b5d4fa834f517ea9a7632e1e00a
- 0xe105839525c4828b89b7d05e44f371385eb52639386c098d62734be5b4a1ce05
- 0xd57a32d9d2666c4270544dcb78bbea2f4774705d3879a86973628e2542543e62
- 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
- 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae