← The evidence ledger
Evidence row 72914
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://cryptofeed402.site/sentiment/:symbol
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0275c9f91a074c86b3042baf91b5dfaf5b14ad35c022e54e90096ba99b51b773
- Leaf
- 0xcf14ed00bcbadfd94f37b7e50ce1ee4d59e6754802a86082eceedc93ecc3893f
What was observed
{
"endpoints": [
[
"x402",
"https://cryptofeed402.site/sentiment/:symbol"
]
],
"name": "cryptofeed402.site/sentiment/:symbol",
"owner_address": "0x93e4b468a88b1f084efc781ec7a1e2d195a40d22",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x93e4B468A88B1f084Efc781ec7A1E2D195a40D22",
"scheme": "exact"
}
],
"description": "Crypto news sentiment for one asset (BTC, ETH, SOL, HYPE, NEAR, AAVE and others; list at /sentiment): a -1..1 score with bearish/neutral/bullish label, counts of positive, negative and neutral headlines in the window, and up to 5 top headlines with source, link and stance. Headlines are labeled by a local LLM; the score is plain arithmetic. Refreshed about every 15 min. Unknown symbol 404, stale data 503, no charge. JSON. Free sample at /samples/sentiment. $0.002 USDC per call on Base.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {
"symbol": "BTC"
},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"age_seconds": 410,
"counts": {
"n_headlines": 24,
"neg": 5,
"neu": 8,
"pos": 11
},
"disclaimer": "News-headline sentiment, not a price prediction. Automated data for AI agents. Not financial advice.",
"generated_at": "2026-10-20T00:30:00.000Z",
"label": "bullish",
"method": "Each headline labeled pos/neg/neu by a local LLM; score is computed arithmetically from the labels.",
"model": "qwen2.5:14b",
"score": 0.25,
"symbol": "BTC",
"top_headlines": [
{
"source": "example-news",
"stance": "pos",
"title": "Example headline about Bitcoin ETF inflows",
"url": "https://example.com/story"
}
],
"window_minutes": 360
},
"type": "json"
}
},
"routeTemplate": "/sentiment/:symbol",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"symbol": {
"description": "Ticker, case-insensitive; available symbols are listed free at /sentiment",
"pattern": "^[A-Za-z0-9]{1,20}$",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"age_seconds": {
"type": "integer"
},
"counts": {
"properties": {
"n_headlines": {
"type": "integer"
},
"neg": {
"type": "integer"
},
"neu": {
"type": "integer"
},
"pos": {
"type": "integer"
}
},
"type": "object"
},
"disclaimer": {
"type": "string"
},
"generated_at": {
"description": "ISO 8601 UTC time the snapshot was computed",
"type": "string"
},
"label": {
"enum": [
"bearish",
"neutral",
"bullish"
],
"type": "string"
},
"method": {
"type": "string"
},
"model": {
"type": "string"
},
"score": {
"maximum": 1,
"minimum": -1,
"type": "number"
},
"symbol": {
"type": "string"
},
"top_headlines": {
"items": {
"properties": {
"source": {
"type": "string"
},
"stance": {
"enum": [
"pos",
"neg",
"neu"
],
"type": "string"
},
"title": {
"type": "string"
},
"url": {
"type": "string"
}
},
"type": "object"
},
"maxItems": 5,
"type": "array"
},
"window_minutes": {
"type": "integer"
}
},
"required": [
"symbol",
"score",
"label",
"counts",
"generated_at",
"age_seconds"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792293388/bazaar-icons/98767f120c2f6858.png",
"lastUpdated": "2026-10-23T16:02:33.79Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-23T16:02:33.626Z"
},
"resource": "https://cryptofeed402.site/sentiment/:symbol",
"tags": [
"sentiment",
"crypto-news",
"market-data",
"headlines",
"trading-agents"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Crypto news sentiment for one asset (BTC, ETH, SOL, HYPE, NEAR, AAVE and others; list at /sentiment): a -1..1 score with bearish/neutral/bullish label, counts of positive, negative and neutral headlines in the window, and up to 5 top headlines with source, link and stance. Headlines are labeled by a local LLM; the score is plain arithmetic. Refreshed about every 15 min. Unknown symbol 404, stale data 503, no charge. JSON. Free sample at /samples/sentiment. $0.002 USDC per call on Base."
}What the leaf hashes
{"body":"0275c9f91a074c86b3042baf91b5dfaf5b14ad35c022e54e90096ba99b51b773","id":72914,"kind":"listing","method":"baseline/1","observed_us":1793025486816992,"prev":null,"subject":"x402_bazaar:https://cryptofeed402.site/sentiment/:symbol","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).
- 0xcf14bdc260f1771de90f1153516df1e9173e4c6c08d51762a7483c108025bbb4
- 0x93cab09f3f106718d8f86db7ae2fae3d3f7fe89e2a4bee0b45b91ed82443955a
- 0x621a52816cbe2ae0db32fd50cf99dae5f812325e86a38ab654e3e14aded95508
- 0x58599e1be7cdb3b3c1456dbf8ed57ff167d9915d8020aba3bf8cfe20cbc3f837
- 0x9bbd1f6ced98f83ea002f7cdc7502c2cce0c216dae9732dd22e4cc61d7e4fef4
- 0x1da21b5cf92c79bd2db02c5e679237701e9073ebe4ca0ca394cab00ea459d9ca
- 0xac31fa9f13950875cfc4dbbfcd10bf2b584104d838406c9fe583d1c392b48dd7
- 0x08f57b3b0b1ff2be6ddba18729d558351a7c0e03c63cc5752718e3ebc715d4ac
- 0x9d2a0f748ae7f4882b4a2712c349395b2a8346b879ae8517e5ac1aae64cade3b
- 0x0244cbadd0e376dcf6cef79a0029830243a55cdb0c50f8a6794baf68150f943d
- 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
- 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
- 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
- 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
- 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae