← The evidence ledger
Evidence row 61311
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agent-evidence.thx93.dev/v1/evidence
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- eeb0280abcd5d001eaa363511f586f2ae02c7646aa12709df37b4e8144afada5
- Leaf
- 0x81eeac81a4d2954f37853708dc7dad886dfc55ac6a907dfe5ea063af81920279
What was observed
{
"endpoints": [
[
"x402",
"https://agent-evidence.thx93.dev/v1/evidence"
]
],
"name": "Agent Evidence API & US Weather",
"owner_address": "0x9c0e2b44180439294fa30ae2b2a94f8655455fd0",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x9c0e2B44180439294Fa30Ae2B2a94f8655455FD0",
"scheme": "exact"
}
],
"description": "Verify a claim or fact check a statement against public web sources: send a question and up to 5 URLs, get cited evidence - passages that support, contradict or fail to settle it. Claim verification with a citation for every excerpt: source URL, retrieval time, content hash. Never charges when nothing is retrieved. Free to evaluate: the `sample` tool returns one real response at no cost, so you can judge the output before paying for your own question.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"language": "auto",
"max_sources": 5,
"mode": "evidence",
"question": "Is Company X a manufacturer of centrifugal pumps?",
"urls": [
"https://company.example/about",
"https://company.example/products"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"assessment": {
"basis": "1 source(s) contained passages matching the question (company.example) with no contradicting passages found.",
"status": "supported"
},
"limitations": [
"Assessment is derived from deterministic lexical matching, not semantic reasoning."
],
"processing_ms": 812,
"question": "Is Company X a manufacturer of centrifugal pumps?",
"request_id": "req_1f2e3d4c5b6a7988",
"sources": [
{
"canonical_url": "https://company.example/about",
"content_hash_sha256": "9f2c…",
"content_type": "text/html; charset=utf-8",
"evidence": [
{
"context": "h2:Products > p[1]",
"excerpt": "Company X manufactures centrifugal pumps at its facility.",
"relevance": "direct"
}
],
"final_url": "https://company.example/about",
"language": "en",
"publisher": "Company X",
"requested_url": "https://company.example/about",
"retrieved_at": "2026-01-01T00:00:00.000Z",
"status": 200,
"title": "Company X - About",
"warnings": [],
"word_count": 412
}
],
"version": "1"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {}
},
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-21T22:19:04.043Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-21T22:19:03.571Z"
},
"resource": "https://agent-evidence.thx93.dev/v1/evidence",
"serviceName": "Agent Evidence API & US Weather",
"tags": [
"claim-verification",
"fact-checking",
"web-evidence",
"source-verification",
"citations"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Verify a claim or fact check a statement against public web sources: send a question and up to 5 URLs, get cited evidence - passages that support, contradict or fail to settle it. Claim verification with a citation for every excerpt: source URL, retrieval time, content hash. Never charges when nothing is retrieved. Free to evaluate: the `sample` tool returns one real response at no cost, so you can judge the output before paying for your own question."
}What the leaf hashes
{"body":"eeb0280abcd5d001eaa363511f586f2ae02c7646aa12709df37b4e8144afada5","id":61311,"kind":"listing","method":"baseline/1","observed_us":1793025450462070,"prev":null,"subject":"x402_bazaar:https://agent-evidence.thx93.dev/v1/evidence","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).
- 0x81eeb256596779b51170abe68381ef2b9872c955ac8c92b6b5dd935e9f03cafa
- 0xbcc59550d0a2f8814514d6d761853556eb2b4e39becf4985951f37ab05ec466d
- 0x9ad3804cab72d62a532d2d4d2aa96653371af5c9bfe446e77490fd281c57d454
- 0x3ce06982bdca561b546202e1529bca219a9f0901d0b58ae0624de8033bfa65ab
- 0x20e6e7a73381a148fe53514ea408f1b9671f2088cadd6e016cb2d766d1c6e3fa
- 0x0a420d15e4d7c005bffc800713a1703bec6e55c8797d73c22ab60d3aa09b69b7
- 0xf438280fb0afc073e83cb41219bc8a63164c09f04583eb071292bdb3e4d73cb6
- 0x37cd26abd806c53dc8a5b17b26c9bdea69fdaaa1a04da87b8441fe2265cd8172
- 0xbe47ad1982ff0fb785a097b90b6d278f04696940c378207e7547167cf5704d80
- 0xbdc4a4c8cadfe346c042615305bf6ada497fa5128db30e977a80cb6245a189d3
- 0xb998e012b473bde18346485cd0b7b8b31ab48d5f22ba9bc660bb2e523161e255
- 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
- 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae