← The evidence ledger
Evidence row 1262498
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agents.crowdspark.me/v1/gov/federal-register
- Recorded
- Previous row
- #1039628
- Body SHA-256
- aa21e5dfbaacace6e64138ed17d9f5f6db579d7d0dd465835d0bb0c430695cbf
- Leaf
- 0xeec626c3cb8f1eeb9562a711e89959f46a2bbf5272dbc0aa80fe216076edd901
What was observed
{
"endpoints": [
[
"x402",
"https://agents.crowdspark.me/v1/gov/federal-register"
]
],
"name": "Agent Tools",
"owner_address": "0x0dea0030a17bf886543a757c55924710258c2eec",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x0dEA0030A17BF886543a757c55924710258c2eec",
"scheme": "exact"
}
],
"description": "Free tier: 25 calls/day per IP with header X-Free-Call: 1 (or ?free=1), then pay per call. Search the US Federal Register: final rules, proposed rules, notices and presidential documents with title, agencies, publication date, effective date, comment deadline, docket IDs, abstract and links. Filter by keyword, type, agency slug and date range. Public domain data, no legal advice.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"from": "2026-09-01",
"limit": "3",
"q": "artificial intelligence",
"type": "proposed_rule"
},
"type": "http"
},
"output": {
"example": {
"documents": [
{
"agencies": [
"Treasury Department"
],
"comments_close_on": "2026-12-22",
"docket_ids": [
"Docket ID OCC-2025-0372"
],
"document_number": "2026-21706",
"effective_on": null,
"publication_date": "2026-10-23",
"title": "Example proposed rule",
"type": "Proposed Rule",
"url": "https://www.federalregister.gov/documents/2026/10/23/2026-21706/example"
}
],
"returned": 1,
"source": "federalregister.gov API (public domain)",
"total_matches": 42
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"agency": {
"description": "Optional agency slug, e.g. environmental-protection-agency",
"type": "string"
},
"comments_open": {
"description": "true to keep only documents still open for comment",
"type": "string"
},
"from": {
"description": "Optional publication date from, YYYY-MM-DD",
"type": "string"
},
"limit": {
"description": "1 to 20, default 10",
"type": "string"
},
"q": {
"description": "Optional keyword or phrase",
"type": "string"
},
"sort": {
"enum": [
"relevance",
"newest",
"oldest"
],
"type": "string"
},
"to": {
"description": "Optional publication date to, YYYY-MM-DD",
"type": "string"
},
"type": {
"description": "Optional document type",
"enum": [
"rule",
"proposed_rule",
"notice",
"presidential_document"
],
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-30T00:21:10.678Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-30T00:21:10.463Z"
},
"resource": "https://agents.crowdspark.me/v1/gov/federal-register",
"serviceName": "Agent Tools",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Free tier: 25 calls/day per IP with header X-Free-Call: 1 (or ?free=1), then pay per call. Search the US Federal Register: final rules, proposed rules, notices and presidential documents with title, agencies, publication date, effective date, comment deadline, docket IDs, abstract and links. Filter by keyword, type, agency slug and date range. Public domain data, no legal advice."
}What the leaf hashes
{"body":"aa21e5dfbaacace6e64138ed17d9f5f6db579d7d0dd465835d0bb0c430695cbf","id":1262498,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385564313913,"prev":1039628,"subject":"x402_bazaar:https://agents.crowdspark.me/v1/gov/federal-register","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (243099 rows).
- 0xeec5f9dad0aeb5ba1d9d4848b16cc5f96b9638e67a6e9b9ada3a8c6326a3792c
- 0xb080dad7ab76263c27692dad613e1ad7580f442f2fa69336a2320f2b0c148add
- 0x894d5d48aa6ec80ed9b7e089bbc962053faee329c35845c82927b3e4f17655eb
- 0xd3f8759b508baa0ffbc3777a0bac33971dafeb122b8f6884d17f7ced6638562e
- 0x8f95add53283065de5085c4c25398f30d9d7807b1996b8e1db985c50ba02dc3b
- 0x55329e08e9009aabe04165cc5cf095be5ebe069f191ed32d0353df5eefa101a4
- 0xc63fc1427cb71d96427fc8e426ccc45eb1fbe0a277e09a4052736b6a5f65a201
- 0x1149286a5cc2ec067db57564a941f2a15948748e8fc230b5820f289bd56502b1
- 0x25174149553fa5c54d9e02cb610b2f5558e257426dccdb81d1bd3d45db82c08a
- 0x4479e9251dc674442dade81453bdd8ac440a031d92498732ea468ae513b8c5a4
- 0xc1166adbd753cbc7ae1824f3e73650405a20e2a7301bd91ea790494f84cb7443
- 0x6e1859b05bb17f57958ae76bc8bc323ac32dd5848c3d3afdccdbf57a98be4861
- 0xc4d1aa4c86009997771d234f361d697ff280913322c529b9c4472470f727e868
- 0x480837169e0b2dae12e25a5963879f1d41492816181ac128eeca59bf75b8d55d
- 0xea7df1002501052c124b5aed2b1a5df3d59be54394c6a8539c86fad1df339a9e
- 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
- 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
- 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
- Day root
- 0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
- Chained
- 0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
- Published
- On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861