← The evidence ledger
Evidence row 64634
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.agentstools.dev/crypto/news
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2a16056257e1ef48398f3acc77733451c0d077165dd59c8d033e1d65f1df3f23
- Leaf
- 0xa8eec40490ea370a14ce8f2dbc6c3359a4e6c1ff1027e3748c3349124844ae0c
What was observed
{
"endpoints": [
[
"x402",
"https://api.agentstools.dev/crypto/news"
]
],
"name": "crypto-news",
"owner_address": "0xf22e558a00d91ee12a1f50c52186fecb8ddff493",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493",
"scheme": "exact"
}
],
"description": "Aggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate), each scored bullish/bearish/neutral by a crypto-tuned lexicon, optionally filtered by coin or query. One call instead of polling a dozen feeds and running your own NLP.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"coin": "BTC",
"limit": 15
},
"type": "http"
},
"output": {
"example": {
"attribution": "Headlines syndicated from their publishers ...",
"coin": "BTC",
"count": 2,
"items": [
{
"link": "https://www.coindesk.com/...",
"published": "Tue, 30 Jun 2026 14:32:33 +0000",
"sentiment": {
"label": "bullish",
"score": 0.66
},
"source": "CoinDesk",
"summary": "BTC climbed as inflows...",
"title": "Bitcoin rallies past resistance"
}
],
"query": null,
"summary": {
"after_dedup": 98,
"errors": [],
"sentiment": {
"breakdown": {
"bearish": 0,
"bullish": 1,
"neutral": 1
},
"items_scored": 2,
"label": "bullish",
"score": 0.31
},
"sources_failed": 0,
"sources_ok": 6,
"total_fetched": 120
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"coin": {
"description": "Filter to a coin by ticker or name (BTC, ETH, SOL, bitcoin, ethereum, ...)",
"type": "string"
},
"limit": {
"description": "Max items to return (default 20, cap 30)",
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Free-text filter on headline + summary (e.g. ETF, staking)",
"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": "2026-10-08T06:07:50.342Z",
"quality": {
"l30DaysTotalCalls": 4,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T06:07:50.105Z"
},
"resource": "https://api.agentstools.dev/crypto/news",
"serviceName": "crypto-news",
"tags": [
"crypto",
"news",
"sentiment",
"bitcoin",
"ethereum"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Aggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate), each scored bullish/bearish/neutral by a crypto-tuned lexicon, optionally filtered by coin or query. One call instead of polling a dozen feeds and running your own NLP."
}What the leaf hashes
{"body":"2a16056257e1ef48398f3acc77733451c0d077165dd59c8d033e1d65f1df3f23","id":64634,"kind":"listing","method":"baseline/1","observed_us":1793025456880940,"prev":null,"subject":"x402_bazaar:https://api.agentstools.dev/crypto/news","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).
- 0xa8ee887b1874a02562355e5f8e30bfaa0863de3d9588134cb5e536c5800b238a
- 0xa29307686efb9494be12f3b1cadb07ce3d2e5d589e6d15b81e6e2b547a892e77
- 0x4feb69681e73857e85184dfdd0dfa28ca5333ab38bf06f83a2a16ffc4e032998
- 0xf17dd11becb7a38c2e8c559351cf2c319236be080fb457212bd6e9afd18040da
- 0xfbebab9fadb99f8b2fbaf8c35a056b71ab389d5d31e455c7ce392b86e82c997d
- 0xb84727603e53e5ec2b51cc6adfca62c1537c3935f15a65e2318ec998f4d047f1
- 0x931a66a681f29b9837430d65e5e490c2c2d872a5bef0a0c318629e320d42ead4
- 0xa4083cc7830fc1b50fad14fe08e218eecae480b0f693f8415c14ad90d1f2fcb1
- 0xf03b5580b4cf240f57781e01d5a8c5662eb3f5d9781d4b04b50611882de9ffd1
- 0x59283b4f1957eed1ca397cea7a54cad8fd28e2488fdbd3f14185468ebe1209e1
- 0xcc46e37d035d0d90e3d86104e55f155ffacd1530f11ceef85fa02db50beb78a5
- 0xb31654882cc5704ae07fa6a4ad12ef5516ea95a5ec8b5affdbdbec199402e29a
- 0x292ebdce6b8d3d7ef08ad646a0fd97dee9313ab55c1a350807d9f3013794c37a
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae