← The evidence ledger
Evidence row 118582
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://polymarket.use.x402atlas.com/search
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 32e0658f36fc7255e19d7c0046d5d5b427fde43eb70f4783a22b62f58b0c37a4
- Leaf
- 0x1bc41ad94807f5eaad66515f5567c14ddcf845633a0be41693a9e42e8b1a1f64
What was observed
{
"endpoints": [
[
"x402",
"https://polymarket.use.x402atlas.com/search"
]
],
"name": "Polymarket Search",
"owner_address": "0x8c128f1ee62bb5e47867cfbae2ad89be325df1b2",
"raw": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"merchant": "x402Atlas",
"name": "USD Coin",
"tier": "standard",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2",
"scheme": "exact"
},
{
"amount": "10000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"merchant": "x402Atlas",
"tier": "standard"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
"scheme": "exact"
}
],
"description": "Prediction market search — find Polymarket events by free text and get each event's status, dates, volume, liquidity, topic tags and its markets with current YES prices. Use to locate a market on an election, Fed decision, crypto price, geopolitical or AI question before pulling odds, history or the order book.",
"extensions": {
"bazaar": {
"category": "finance",
"info": {
"input": {
"method": "GET",
"queryParams": {
"query": "fed rate cut",
"status": "active"
},
"type": "http"
},
"output": {
"example": {
"as_of": "2026-10-20T14:23:40Z",
"count": 3,
"events": [
{
"end_date": "2028-01-29T04:59:00Z",
"liquidity": 200987.14,
"market_count": 13,
"markets": [
{
"group_title": "January Meeting",
"question": "Fed rate cut by January 2026 meeting?",
"slug": "fed-rate-cut-by-january-2026-meeting-412",
"status": "resolved",
"yes_price": 0
},
{
"group_title": "March Meeting",
"question": "Fed rate cut by March 2026 meeting?",
"slug": "fed-rate-cut-by-march-2026-meeting",
"status": "resolved",
"yes_price": 0
},
{
"group_title": "January 2027 Meeting",
"question": "Fed rate cut by January 2027 meeting?",
"slug": "fed-rate-cut-by-january-2027-meeting",
"status": "open",
"yes_price": 0.0445
}
],
"open_interest": 153964.85,
"restricted": true,
"slug": "fed-rate-cut-by-629",
"start_date": "2025-12-16T19:36:41.87716Z",
"status": "open",
"tags": [
"fed",
"fed-rates",
"finance",
"economy",
"economic-policy",
"kevin-warsh"
],
"title": "Fed rate cut by...?",
"volume": 3798461.69,
"volume_24h": 425.29
},
{
"end_date": "2027-01-01T04:59:00Z",
"liquidity": 3734734.07,
"market_count": 13,
"markets": [
{
"group_title": "0 (0 bps)",
"question": "Will no Fed rate cuts happen in 2026?",
"slug": "will-no-fed-rate-cuts-happen-in-2026",
"status": "open",
"yes_price": 0.9695
},
{
"group_title": "1 (25 bps)",
"question": "Will 1 Fed rate cut happen in 2026?",
"slug": "will-1-fed-rate-cut-happen-in-2026",
"status": "open",
"yes_price": 0.0075
},
{
"group_title": "2 (50 bps)",
"question": "Will 2 Fed rate cuts happen in 2026?",
"slug": "will-2-fed-rate-cuts-happen-in-2026",
"status": "open",
"yes_price": 0.0045
}
],
"open_interest": 1935181.5,
"restricted": true,
"slug": "how-many-fed-rate-cuts-in-2026",
"start_date": "2025-09-29T22:24:45.988997Z",
"status": "open",
"tags": [
"rewards-200-4pt5-50",
"fed-rates",
"economic-policy",
"fed",
"business",
"economy",
"finance",
"kevin-warsh"
],
"title": "How many Fed rate cuts in 2026?",
"volume": 54551377.69,
"volume_24h": 38344.23
},
{
"end_date": "2027-01-01T04:59:00Z",
"liquidity": 13953.9,
"market_count": 1,
"markets": [
{
"question": "Fed emergency rate cut before 2027?",
"slug": "fed-emergency-rate-cut-before-2027",
"status": "open",
"yes_price": 0.0325
}
],
"open_interest": 59229.72,
"restricted": true,
"slug": "fed-emergency-rate-cut-before-2027",
"start_date": "2025-11-12T23:04:24.466213Z",
"status": "open",
"tags": [
"business",
"finance",
"economy",
"fed-rates",
"fed",
"recurring"
],
"title": "Fed emergency rate cut before 2027?",
"volume": 245396.55,
"volume_24h": 1.03
}
],
"has_more": false,
"page": 1,
"price_basis": "market price in USDC per share; not a calibrated probability",
"query": "fed rate cut",
"source": [
"gamma-api.polymarket.com"
],
"status": "active",
"total_results": 3
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"limit": {
"default": 10,
"maximum": 20,
"minimum": 1,
"type": "integer"
},
"page": {
"default": 1,
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"query": {
"description": "Free-text search",
"maxLength": 200,
"type": "string"
},
"status": {
"default": "all",
"description": "active keeps only events open for trading",
"enum": [
"all",
"active"
],
"type": "string"
}
},
"required": [
"query"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"as_of": {
"description": "Retrieval time, UTC",
"format": "date-time",
"type": "string"
},
"count": {
"description": "Events on this page",
"type": "integer"
},
"events": {
"items": {
"additionalProperties": false,
"properties": {
"end_date": {
"description": "RFC3339 scheduled end",
"type": "string"
},
"liquidity": {
"description": "USDC",
"type": [
"number",
"null"
]
},
"market_count": {
"description": "Markets in the event, including any not listed",
"type": "integer"
},
"markets": {
"description": "At most 10; /event/{slug} lists all",
"items": {
"additionalProperties": false,
"properties": {
"group_title": {
"description": "Label inside a multi-outcome event; absent on standalone markets",
"type": "string"
},
"question": {
"type": "string"
},
"slug": {
"description": "Pass to /market, /history or /book",
"type": "string"
},
"status": {
"enum": [
"upcoming",
"open",
"paused",
"closed",
"resolved",
"archived"
],
"type": "string"
},
"yes_price": {
"description": "USDC per share, 0-1",
"type": [
"number",
"null"
]
}
},
"required": [
"slug",
"question",
"yes_price",
"status"
],
"type": "object"
},
"type": "array"
},
"open_interest": {
"description": "USDC",
"type": [
"number",
"null"
]
},
"restricted": {
"description": "true when trading is geo-restricted; reading is unaffected",
"type": "boolean"
},
"slug": {
"type": "string"
},
"start_date": {
"description": "RFC3339",
"type": "string"
},
"status": {
"enum": [
"upcoming",
"open",
"closed",
"archived"
],
"type": "string"
},
"tags": {
"description": "Tag slugs; pass one to /events?tag=",
"items": {
"type": "string"
},
"type": "array"
},
"title": {
"type": "string"
},
"volume": {
"description": "Lifetime USDC volume across markets",
"type": [
"number",
"null"
]
},
"volume_24h": {
"description": "USDC traded in the last 24h; 0 when none",
"type": "number"
}
},
"required": [
"slug",
"title",
"status",
"start_date",
"end_date",
"volume",
"volume_24h",
"liquidity",
"open_interest",
"restricted",
"tags",
"market_count",
"markets"
],
"type": "object"
},
"type": "array"
},
"has_more": {
"type": "boolean"
},
"note": {
"description": "Present only on a sample or empty response",
"type": "string"
},
"page": {
"type": "integer"
},
"price_basis": {
"description": "How to read every price field",
"type": "string"
},
"query": {
"type": "string"
},
"source": {
"description": "Upstream hosts used",
"items": {
"type": "string"
},
"type": "array"
},
"status": {
"enum": [
"all",
"active"
],
"type": "string"
},
"total_results": {
"description": "Events matching across all pages",
"type": "integer"
}
},
"required": [
"as_of",
"source",
"price_basis",
"query",
"status",
"page",
"count",
"total_results",
"has_more",
"events"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"prediction-markets",
"polymarket",
"event-search",
"forecasting",
"research"
]
}
},
"lastUpdated": "2026-10-20T21:16:41.812Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-20T21:16:41.69Z"
},
"resource": "https://polymarket.use.x402atlas.com/search",
"serviceName": "Polymarket Search",
"tags": [
"prediction-markets",
"polymarket",
"event-search",
"forecasting",
"research"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Prediction market search — find Polymarket events by free text and get each event's status, dates, volume, liquidity, topic tags and its markets with current YES prices. Use to locate a market on an election, Fed decision, crypto price, geopolitical or AI question before pulling odds, history or the order book."
}What the leaf hashes
{"body":"32e0658f36fc7255e19d7c0046d5d5b427fde43eb70f4783a22b62f58b0c37a4","id":118582,"kind":"listing","method":"baseline/1","observed_us":1793025613467766,"prev":null,"subject":"x402_bazaar:https://polymarket.use.x402atlas.com/search","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).
- 0x1bc40c5881eeacc547b09daafba25ea15613b6ed438936e88a7105d4bd077461
- 0x7a05238b27fd65f6ea69f4737275f46f349a332fdfd13f8418003b09a32e3e37
- 0x2fa0a33df44ee437dbc503e0ad0ac9dd86ccde627964734362702d2f7619087b
- 0xee02f0b26e3c53f6d354035733c8cd4fd0eae6b98f5b9bf518982201ce047ebe
- 0xdcfedb3cb29714f9841602149c95cf8dc19515e37f9b2dc19203d8898ec2c180
- 0xe44faef4719fc830822e2fea989fd6747e5e4b2a82c6ad3db0f67f14e92b34c3
- 0x910d0c3e31f8d516492596bc72cd2d5959832da181b44da9dd8f9bddc7e3da16
- 0xe666f93ee53903a20468d077e1cd6e8aeee33ce4add8f639b236d92b3b914dc0
- 0xcc8eb2f995e37e2b0b07d6f7c4aee6041a48da91fbdfa81c691cc6cc3ebbce6e
- 0x528fb8f6040dcfed2bbfa9e000908bba2b82549e1878573b9eceb17ac4ed4dc7
- 0xa71cc4f892400c8dd1d9d33faa6b7466eba77734b3716286b78aa51d46ff4255
- 0x7ab2e7902b312a74cfdbc32b2906ced29b1fb9dc4280b5378e8eb181ad88686e
- 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
- 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae