← The evidence ledger
Evidence row 1791433
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://minty-sprout.onrender.com/v1/prediction-markets
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b2771a0ffb1c2c50ad7ef6af4eb341d6e19ee3ad0b30026e48375447f5af55ed
- Leaf
- 0xb1c2cf34b6890795beff8f929fbac24572c23883897fa85a8e801cb3645195cc
What was observed
{
"endpoints": [
[
"x402",
"https://minty-sprout.onrender.com/v1/prediction-markets"
]
],
"name": "Foundry",
"owner_address": "0x11dced0487ca3e7d9032029dcb302253ccf4e0de",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x11DCED0487cA3E7d9032029DCb302253ccF4e0DE",
"scheme": "exact"
}
],
"description": "Prediction market odds from Polymarket: top markets by 24h volume, or those matching keywords, with implied odds, volume and end date. Input: keywords or 'top'.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"input": "top"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"filter": null,
"markets": [
{
"ends": "2026-11-01T04:00:00Z",
"liquidity_usd": 891265,
"odds": {
"Bilibili Gaming": 1,
"Hanwha Life Esports": 0.001
},
"question": "LoL: Hanwha Life Esports vs Bilibili Gaming - Game 1 Winner",
"url": "https://polymarket.com/event/lol-hle1-blg-2026-10-31-game1",
"volume_24h_usd": 3562320
},
{
"ends": "2026-10-31T22:00:00Z",
"liquidity_usd": 310726,
"odds": {
"76ers": 0.635,
"Hornets": 0.365
},
"question": "76ers vs. Hornets",
"url": "https://polymarket.com/event/nba-phi-cha-2026-10-31",
"volume_24h_usd": 3357915
},
{
"ends": "2026-11-01T04:00:00Z",
"liquidity_usd": 134973,
"odds": {
"Bilibili Gaming": 0.755,
"Hanwha Life Esports": 0.245
},
"question": "LoL: Hanwha Life Esports vs Bilibili Gaming (BO3) - Worlds Group Stage",
"url": "https://polymarket.com/event/lol-hle1-blg-2026-10-31",
"volume_24h_usd": 1529384
}
],
"note": "Market-implied odds, not advice.",
"source": "Polymarket public API"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"input": {
"description": "Keywords like 'election' or 'top'",
"maxLength": 8000,
"type": "string"
}
},
"required": [
"input"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"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": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-31T23:19:32.021Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-10-31T23:19:31.833Z"
},
"resource": "https://minty-sprout.onrender.com/v1/prediction-markets",
"serviceName": "Foundry",
"tags": [
"prediction",
"prediction markets",
"polymarket",
"odds",
"betting"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Prediction market odds from Polymarket: top markets by 24h volume, or those matching keywords, with implied odds, volume and end date. Input: keywords or 'top'."
}What the leaf hashes
{"body":"b2771a0ffb1c2c50ad7ef6af4eb341d6e19ee3ad0b30026e48375447f5af55ed","id":1791433,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559983714760,"prev":null,"subject":"x402_bazaar:https://minty-sprout.onrender.com/v1/prediction-markets","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).
- 0xb1c2a8e993c8fac481bb1c06f23a28c2ff711e9f346fa53a3eee569be69475ed
- 0xc62335826d22bcd116a466dcb99a65999bb80da24da4d0451464d682701a00f1
- 0x34c6150c0fa941c681bc4831a5aac016dd8c800e46b8d50a3c4bd21059271e5d
- 0x691431158ff40692ee9817f08f4b5ea7aeb7eee089de4e2e7a7be04798496599
- 0x1ad316504b1f2b72f01b5b70f7dfaf4d392d9eb37b1e91d446087301a1d432db
- 0x10fc91b777cbbaf39bf8d60e7f9ce8d4d42a66fe43341434db46d2eb0349e668
- 0xb515afd974d508f6093477a0ba92c438f7a24a86f10d28e4932ec9a82380c303
- 0x337b77683c57f79f6a3eb71c38bd6c2e0b805a2de67294ebcef3e16f11317daf
- 0xc18c8cfee26f969d66bc7112743e81a70bead73f8a0b693339eb6c1e7ae06e10
- 0xf6f9d2b0b8e506333842c1262a2a9840046dc9fadf73c1d8f1f7807f63ca85d0
- 0xf6a2bb30d91f6b0432d327b979fce519df49cdeebda6925f90c80106f4ae3ea2
- 0xba42aa8ea7319c3a26be34cf773276493ae312dae8a293abc75cb2558262c74d
- 0x09b948c0d8cd867de430ca3ffdb84085f96db35e2383786862f87cf6547dbabf
- 0xa61b9b680bca298a8a4f69cdebc25b3acf2105f25b9ad6f8fe0ea50e55adf8ca
- 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
- 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
- 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
- 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90