← The evidence ledger
Evidence row 77219
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://loonie-toll.onrender.com/lobbying
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 7801f16112c73b2b882faf5b58c73c7616a0bf0dfb1929e5006707e4b8f6a6ad
- Leaf
- 0xccf156772af2fae04690476a0957608a43e5034fec37c0ba941be1dcf1333065
What was observed
{
"endpoints": [
[
"x402",
"https://loonie-toll.onrender.com/lobbying"
]
],
"name": "ClearCheck",
"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": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"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": "Federal lobbying for a company: who they hire, what they spend, which issues, and how recent the activity is.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"client": "Microsoft",
"years": 3
},
"type": "http"
},
"output": {
"example": {
"counts": {
"filings": 25,
"filingsWithAmounts": 23,
"lobbyingFirms": 20
},
"disclaimer": "Advisory only, provided as is without warranty of accuracy or completeness. Lobbying disclosures are self-reported by registrants, are filed quarterly and therefore lag, and are matched here by client…",
"matchedClientNames": [
"MICROSOFT",
"MICROSOFT CORPORATION"
],
"query": {
"client": "Microsoft",
"sinceYear": 2024,
"years": 3
},
"retrievedAt": "2026-09-17T16:24:32.267Z",
"signals": [
"25 filing(s) since 2024 across 20 lobbying firm(s).",
"$3,900,000 in reported lobbying spend across 23 filing(s) that stated an amount.",
"…1 more"
],
"source": "US Senate Lobbying Disclosure Act database",
"spendByYear": [
{
"reported": 3900000,
"year": 2026
}
],
"topIssues": [
{
"issue": "Computer Industry",
"mentions": 12
},
{
"issue": "Telecommunications",
"mentions": 8
}
],
"topLobbyingFirms": [
{
"filings": 2,
"firm": "HARBINGER STRATEGIES, LLC"
},
{
"filings": 2,
"firm": "ELEVATE GOVERNMENT AFFAIRS, LLC"
}
],
"totalReportedSpend": 3900000,
"verdict": "FEDERAL_LOBBYING_ON_RECORD"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"client": {
"description": "Company or organisation that hired lobbyists",
"type": "string"
},
"years": {
"description": "Lookback window in years, default 3",
"type": "integer"
}
},
"required": [
"client"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"counts": {
"properties": {
"filings": {
"type": [
"null",
"number"
]
},
"filingsWithAmounts": {
"type": [
"null",
"number"
]
},
"lobbyingFirms": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"matchedClientNames": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"query": {
"properties": {
"client": {
"type": [
"null",
"string"
]
},
"sinceYear": {
"type": [
"null",
"number"
]
},
"years": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"retrievedAt": {
"type": [
"null",
"string"
]
},
"signals": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"spendByYear": {
"items": {
"properties": {
"reported": {
"type": [
"null",
"number"
]
},
"year": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"topIssues": {
"items": {
"properties": {
"issue": {
"type": [
"null",
"string"
]
},
"mentions": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"topLobbyingFirms": {
"items": {
"properties": {
"filings": {
"type": [
"null",
"number"
]
},
"firm": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"totalReportedSpend": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-20T21:07:12.616Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-20T21:07:12.381Z"
},
"resource": "https://loonie-toll.onrender.com/lobbying",
"serviceName": "ClearCheck",
"tags": [
"government-data",
"compliance",
"verification",
"public-records",
"risk-screening"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Federal lobbying for a company: who they hire, what they spend, which issues, and how recent the activity is."
}What the leaf hashes
{"body":"7801f16112c73b2b882faf5b58c73c7616a0bf0dfb1929e5006707e4b8f6a6ad","id":77219,"kind":"listing","method":"baseline/1","observed_us":1793025493477403,"prev":null,"subject":"x402_bazaar:https://loonie-toll.onrender.com/lobbying","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).
- 0xccf1d65bfdf45b6f9452769939ef7b7c183ac83be5f680b1cf55ced9b0ca4c82
- 0xc3fb5152b600d8e354a00bd59a2a191501644010c6a0516cd36b8f1db0e94a49
- 0x1afbd299e7dcd967a10a1fe73a336d9f25b7329fae6763b3c09a98e9a658af09
- 0x18c3da03ddd35015312914e3fafd716b9a67e7f68739beaa46ec9505569c64de
- 0xf475869afbe0144cc95b6d8748f3ae35d32070bfa6635daa45abb21f0cf820ae
- 0xdee339aac78b7c27b09f16ac6302a4ca815d51db5bb9955b7ee31b0d4450fd4c
- 0x5ad84c93e5691ec7df2c1426c6869337a245c321ba3e292df955ca51e4493e08
- 0xc6c59994c85870a8cbfd814b9256512c8057337859214df9cb8d729228d74bbc
- 0x9a8251a74ddd027a62738e2ca514d7dcd982202c4ad1f5f0a4f81e89ceff0fa6
- 0x28f5e3a424e6df882445451ebbb98ea4799c643ef3231cda98518a826f880a47
- 0x1233e806ac6f264fea872a85785df4b3024b89e9788bb6dfa89e28944cb30400
- 0x85ea84dc356483b05e7ec8ed6e303988684070a1512dc756c8e64a7e3604feaf
- 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
- 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae