← The evidence ledger
Evidence row 18738
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://agentsvc.io/api/v1/proxy/answer-with-sources
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3b3936f065bbf7a757c68992ffa6c89c799529ca109b6103979bff47e00ea20c
- Leaf
- 0x568b62a8cba1e3c6c0f19000e6971b4c35a736b9e386dd9cf852a1f8951f52f9
What was observed
{
"endpoints": [
[
"x402",
"https://agentsvc.io/api/v1/proxy/answer-with-sources"
]
],
"name": "Answer Engine with Citations",
"owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
"raw": {
"accepts": [
{
"amount": "8000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
},
{
"amount": "8000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
"scheme": "exact"
},
{
"amount": "8000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
},
{
"amount": "8000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
"scheme": "exact"
}
],
"description": "Answer with sources: ask a question, get a short answer with numbered citations [1], [2] and the source list. Searches Wikipedia and our own news index (GDELT and Hacker News, last 7 days), reads the top 3 pages and answers only from them with Claude Haiku 5.5; when the sources do not answer the question it says so. source auto (current events go to news first), news or web (Wikipedia); optional answer language.",
"extensions": {
"bazaar": {
"category": "web",
"info": {
"input": {
"body": {
"question": "What is a Legal Entity Identifier used for?"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"data": {
"answer": "A Legal Entity Identifier (LEI) is a unique 20-character alphanumeric code th...",
"answered_at": "2026-10-10T09:58:26.892Z",
"model": "claude-haiku-5-5",
"note": "Sources come from Wikipedia and our news index (GDELT, Hacker News), not from...",
"question": "What is a Legal Entity Identifier used for?",
"searched": [
"web"
],
"sources": [
{
"n": 1,
"title": "Legal Entity Identifier - Wikipedia",
"url": "https://en.wikipedia.org/wiki/Legal_Entity_Identifier"
}
]
},
"success": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"language": {
"description": "Answer language, e.g. German; default English",
"type": "string"
},
"query": {
"description": "Optional search words (max 300 chars) when the question is long",
"type": "string"
},
"question": {
"description": "The question, max 3000 chars; may include context, the search uses the last question in it",
"type": "string"
},
"source": {
"default": "auto",
"enum": [
"auto",
"news",
"web"
],
"type": "string"
}
},
"required": [
"question"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"answer": {
"type": "string"
},
"answered_at": {
"type": "string"
},
"model": {
"type": "string"
},
"note": {
"type": "string"
},
"question": {
"type": "string"
},
"searched": {
"items": {
"type": "string"
},
"type": "array"
},
"sources": {
"items": {
"properties": {
"n": {
"type": "integer"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"type": "object"
},
"type": "array"
}
},
"required": [
"question",
"answer",
"sources"
],
"type": "object"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"answer with sources",
"question answering",
"citations",
"research",
"rag",
"answer",
"qa",
"ai"
]
},
"builder-code": {
"info": {
"a": "bc_q6wi3opd"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
"lastUpdated": "2026-10-26T04:12:57.023Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-26T04:12:56.819Z"
},
"resource": "https://agentsvc.io/api/v1/proxy/answer-with-sources",
"serviceName": "Answer Engine with Citations",
"tags": [
"answer with sources",
"question answering",
"citations",
"research",
"rag"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Answer with sources: ask a question, get a short answer with numbered citations [1], [2] and the source list. Searches Wikipedia and our own news index (GDELT and Hacker News, last 7 days), reads the top 3 pages and answers only from them with Claude Haiku 5.5; when the sources do not answer the question it says so. source auto (current events go to news first), news or web (Wikipedia); optional answer language."
}What the leaf hashes
{"body":"3b3936f065bbf7a757c68992ffa6c89c799529ca109b6103979bff47e00ea20c","id":18738,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793025330480258,"prev":null,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/answer-with-sources","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).
- 0x568b6e5def78c6979f75ac4a943b8f561251ee3e850422dc0d8910501b920048
- 0xacb7fc80b5c58c5dcb2fc30849ed6ec18ac2926845364ae508b0b4f1eab19bf3
- 0xe1a390f0b647e44bd5d5aea5aa1f1fce5dbe33833256f72afae9f952ded982b0
- 0x6dd9ece098a1f4ccfa37b5c3706c175ccbe9a0cc400c75063cf035cdb7f71ebd
- 0x8d5411f39802e68994886e8e73647a285f740ce1b8536a278023f26401b094fa
- 0x78651239232eb38fb65648e2ecf3eba235eda28db457c1ffebb07c5196a7818b
- 0x45e16eee3a04f1ce4f250112739cf7d9d7fd0274ecedb90ec3d28981f3a95fc5
- 0xe915487dac7b24ca470520493ad8ede393a01e9deeb4144875be9636b1e3f3ec
- 0x7dca6759831bc70cfe9f4675dc59a042e2f1f85f44e42d1fbc0eb83a95baf305
- 0x438631e7421eacf3402556d871e592ffc7af75fef2b0709de48c3ef78e8d7fac
- 0x014e6ac2bd09cb47ef261fa8d56392362b98c9b103bb1037674237d3604f081f
- 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
- 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
- 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
- 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae