← The evidence ledger
Evidence row 117794
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://outcomescout.vercel.app/api/v1/news-to-markets
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- a54446f6dcaea56204fb8853aab976e9722cbf2ee9f6dfcbe5e89e4d14bfc43a
- Leaf
- 0xdb950dee5fd7897e800a9915f2b09b674ab4388a6d83394e7e31282f94e49938
What was observed
{
"endpoints": [
[
"x402",
"https://outcomescout.vercel.app/api/v1/news-to-markets"
]
],
"name": "OutcomeScout",
"owner_address": "0xf0efafed3bed84b12dc89ba80e62131faace0ecd",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xF0EfAfeD3BED84b12dc89Ba80E62131FAACE0eCD",
"scheme": "exact"
}
],
"description": "Turn a news headline into the matching Polymarket prediction markets to trade. One call returns the top markets ranked by relevance, each with live odds/implied probability, 24h drift, spread, on-book liquidity, volume, resolution date, and a ready bet link. Use when a trading agent reacts to breaking news and needs the tradeable market instantly. $0.01 USDC on Base.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"headline": "Trump pushes Russia and Ukraine toward a ceasefire"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"cost_paid": "$0.01 USDC",
"fetched_at": "2026-06-07T12:00:00.000Z",
"headline": "Trump pushes Russia and Ukraine toward a ceasefire",
"request_ms": 240,
"top_markets": [
{
"bet_link": "https://polymarket.com/event/russia-ukraine-ceasefire-2026",
"collapsed_count": 0,
"current_price": 0.34,
"days_to_resolution": 208,
"drift_24h_pct": 5.1,
"event_title": "Russia x Ukraine ceasefire in 2026?",
"market_question": "Will Russia and Ukraine agree to a ceasefire before 2027?",
"max_safe_trade_3pct_usd": 1800,
"outcome_type": "binary",
"outcomes_in_event": 2,
"primary_label": "Yes",
"rank": 1,
"relevance_score": 0.92,
"size_at_best_ask_usd": 4200,
"spread_cents": 2,
"volume_24h": 125000
}
]
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"headline": {
"maxLength": 500,
"minLength": 5,
"type": "string"
},
"min_liquidity_usd": {
"exclusiveMinimum": 0,
"type": "number"
}
},
"required": [
"headline"
],
"type": "object"
},
"bodyType": {
"enum": [
"json"
],
"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": {
"const": "json",
"type": "string"
}
},
"type": "object"
}
}
}
}
},
"lastUpdated": "2026-10-25T16:51:48.134Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 6,
"lastCalledAt": "2026-10-25T16:51:47.999Z"
},
"resource": "https://outcomescout.vercel.app/api/v1/news-to-markets",
"serviceName": "OutcomeScout",
"tags": [
"prediction-markets",
"polymarket",
"news-to-markets",
"news-trading",
"event-contracts"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Turn a news headline into the matching Polymarket prediction markets to trade. One call returns the top markets ranked by relevance, each with live odds/implied probability, 24h drift, spread, on-book liquidity, volume, resolution date, and a ready bet link. Use when a trading agent reacts to breaking news and needs the tradeable market instantly. $0.01 USDC on Base."
}What the leaf hashes
{"body":"a54446f6dcaea56204fb8853aab976e9722cbf2ee9f6dfcbe5e89e4d14bfc43a","id":117794,"kind":"listing","method":"baseline/1","observed_us":1793025611901000,"prev":null,"subject":"x402_bazaar:https://outcomescout.vercel.app/api/v1/news-to-markets","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).
- 0xdb94fcb293b59f12d1fbb6ec4b1d8c7d44fd209fb91f93c2c5f5c4fd208d5520
- 0x16b224ffedd86c1eeb4db67fede53e3e2ce63437e3fa25eadc9da82212528b62
- 0x941f4c60f0db1fed752bd8038ac2b0d1d40bcdbfacf31818ad76cedc6d21d1b4
- 0x3872afc1df86aaac591675f849ffccf9ffc113c0c20bf6147704fca927bfbe89
- 0x35fe5249f40e69dfd70df44bde2ca7f19b5d1fe340874ba7ab88bdd2daac29f7
- 0x433588c35decc9fb67e8d17ceceb36913fb836e2866fc92955bc91c0441eba81
- 0xf068599a46425fc5a5a8ad80999feab3a7f1e758bed0a460f6d25dd7fddc6e3a
- 0x563d9e8e38aa6c22cd609c4308bafa00a5cb018d858e5bedfd10adea42d5b406
- 0x5c99ce30657fb110de3d84dacef5d556df2b651621044b053a709046aff4cece
- 0x05b88d4894c1a9b590eb6a2fd334630f0ce15ff2f7464f18f51a0d81007464e7
- 0x7ec512db50ffb560b82f17e53667bcea802a69de4d98e67a44363985fac7f4da
- 0x4b7a7525bd11eaa3154ce1b1171d1b54b83370163f39203e230c520e42560c4b
- 0xa4edde833302b48399053e2519aea1aed1074cd102bf4b553643df1866cce4ec
- 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
- 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
- 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae