← The evidence ledger
Evidence row 68386
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.seerium.xyz/v1/prediction/scan
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 19529a6adcf7845114dfec288569b7bc308b5420923887d2b98ac3fc42707193
- Leaf
- 0x7fcb2df3f61245d76a1de39b494548fec86fefdb67fdd2713c155e79aff15d12
What was observed
{
"endpoints": [
[
"x402",
"https://api.seerium.xyz/v1/prediction/scan"
]
],
"name": "api.seerium.xyz/v1/prediction/scan",
"owner_address": "0x81832eede3a4ad96cb3d7ca09977636d912fd3d5",
"raw": {
"accepts": [
{
"amount": "100000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
"scheme": "exact"
},
{
"amount": "100000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
"scheme": "exact"
}
],
"description": "Polymarket API and prediction market API for agents. Returns prediction market signals, market snapshots, order books, and ranked opportunities.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limitOpportunities": 10,
"limitSnapshots": 10
},
"type": "http"
},
"output": {
"example": {
"data": {
"allowShort": false,
"markets": 745,
"opportunities": 1,
"opportunityList": [
{
"description": "Polymarket opportunity from cached market snapshots and order book spread.",
"edge": 0.035,
"legs": [
{
"marketSlug": "us-x-iran-permanent-peace-deal-by-may-31-2026",
"outcome": "Yes",
"price": 0.49,
"reason": "spread and liquidity screen passed",
"side": "BUY",
"size": 500,
"tokenId": "poly_yes_token"
}
],
"requiresShort": false,
"strategy": "prediction_mispricing"
}
],
"scope": "prediction",
"snapshots": [
{
"books": {
"poly_no_token": {
"asks": [
{
"price": 0.53,
"size": 9100
},
{
"price": 0.54,
"size": 7200
}
],
"bids": [
{
"price": 0.51,
"size": 12400
},
{
"price": 0.5,
"size": 8300
}
],
"timestampMs": 1760000000000,
"tokenId": "poly_no_token"
},
"poly_yes_token": {
"asks": [
{
"price": 0.49,
"size": 9100
},
{
"price": 0.5,
"size": 7200
}
],
"bids": [
{
"price": 0.47,
"size": 12400
},
{
"price": 0.46,
"size": 8300
}
],
"timestampMs": 1760000000000,
"tokenId": "poly_yes_token"
}
},
"lastTrades": {
"poly_no_token": 0.52,
"poly_yes_token": 0.48
},
"market": {
"acceptingOrders": true,
"active": true,
"archived": false,
"closed": false,
"conditionId": "1919425",
"endDateIso": "2026-05-31T00:00:00.000Z",
"eventSlug": "us-x-iran-permanent-peace-deal-by",
"eventTitle": "US x Iran permanent peace deal by...?",
"liquidity": 1201662.28,
"marketSlug": "us-x-iran-permanent-peace-deal-by-may-31-2026",
"question": "US x Iran permanent peace deal by May 31, 2026?",
"source": "polymarket",
"tokens": [
{
"outcome": "Yes",
"price": 0.48,
"tokenId": "poly_yes_token"
},
{
"outcome": "No",
"price": 0.52,
"tokenId": "poly_no_token"
}
],
"volume": 70112309.42,
"volume24h": 5768589.43
},
"noBook": {
"asks": [
{
"price": 0.53,
"size": 9100
},
{
"price": 0.54,
"size": 7200
}
],
"bids": [
{
"price": 0.51,
"size": 12400
},
{
"price": 0.5,
"size": 8300
}
],
"timestampMs": 1760000000000,
"tokenId": "poly_no_token"
},
"noToken": {
"outcome": "No",
"price": 0.52,
"tokenId": "poly_no_token"
},
"tokens": [
{
"outcome": "Yes",
"price": 0.48,
"tokenId": "poly_yes_token"
},
{
"outcome": "No",
"price": 0.52,
"tokenId": "poly_no_token"
}
],
"yesBook": {
"asks": [
{
"price": 0.49,
"size": 9100
},
{
"price": 0.5,
"size": 7200
}
],
"bids": [
{
"price": 0.47,
"size": 12400
},
{
"price": 0.46,
"size": 8300
}
],
"timestampMs": 1760000000000,
"tokenId": "poly_yes_token"
},
"yesToken": {
"outcome": "Yes",
"price": 0.48,
"tokenId": "poly_yes_token"
}
}
],
"timestamp": 1760000000000,
"warnings": []
},
"meta": {
"freshnessMs": 30000,
"generatedAt": "2026-03-25T12:00:00.000Z",
"requestId": "req_example_123",
"updatedAt": "2026-03-25T11:59:30.000Z"
},
"product": {
"accepts": [
{
"network": "eip155:8453",
"payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
"price": "$0.1000",
"scheme": "exact"
},
{
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
"price": "$0.1000",
"scheme": "exact"
}
],
"id": "prediction-scan",
"method": "GET",
"name": "Polymarket Prediction Market API",
"networks": [
"eip155:8453",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
],
"path": "/v1/prediction/scan",
"price": "$0.1000"
},
"service": "seerium-x402-api"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limitOpportunities": {
"description": "Optional maximum prediction-market opportunities to return.",
"minimum": 1,
"type": "number"
},
"limitSnapshots": {
"description": "Optional maximum Polymarket prediction-market snapshots to return.",
"minimum": 1,
"type": "number"
}
},
"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": "2026-10-08T06:09:40.714Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-08T06:09:40.601Z"
},
"resource": "https://api.seerium.xyz/v1/prediction/scan",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Polymarket API and prediction market API for agents. Returns prediction market signals, market snapshots, order books, and ranked opportunities."
}What the leaf hashes
{"body":"19529a6adcf7845114dfec288569b7bc308b5420923887d2b98ac3fc42707193","id":68386,"kind":"listing","method":"baseline/1","observed_us":1793025466602240,"prev":null,"subject":"x402_bazaar:https://api.seerium.xyz/v1/prediction/scan","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).
- 0x7fcb3e81d52969241fdfbf2736bee9398b0b1781e0651c6a0e3efb3876aa6d11
- 0xfbf07f2d07c341a7e12d01d076ca2bf82dc2e0c0d7a2e2654a78a1a5d2f733c8
- 0x429703e48e8d7cdae2408045f53304ae73bf84d3393289ff27367e16912c6496
- 0xc88803261120530a160abf7afac3668ad45b66686fd8cf0618bbacab3860b4f4
- 0xc7207e16a0c4f881841f004b4fd285b6be715d7b61ea0afbd3a206ef8cdd1ff8
- 0x0c5ccc6fb1cc682c69a2b10e915e0f913933288478c26a50d4e2f039dfeb66c9
- 0xcef018a3856f4aa4538e5c9aed23552bbe96cd8b208b3b44e668192b4d5ea73c
- 0x6ce1ee601d0dc277805776dbb8045502102da45d07ea2ce7f6f9b90643c403c3
- 0x3633249228aebc9afb9d891c0a3bdcd8274006622c91dfba98f75689462ed7a6
- 0x4ac6e7b8710a19dd69c1ac61f6e5bc5b40663b9f632b7d8a1515e0c4fc86564d
- 0x94ff6a1838bb06ac09899310e3d37518c2cdbae79f32eb90e1b61eb995aed881
- 0xb9c4107c5cbaf0844324e5ba287c90e0643bb7b9e48e7877adda9372132cf0ea
- 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae