← The evidence ledger
Evidence row 1789751
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.cortexcloud.org/v1/data/market-snapshot
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0c34e5941d3fcbdc91887efdb97d2d39658db59c21d2155ae6d4720eac9f3f9e
- Leaf
- 0x1e88e23d2ea79ff43b7e7697150e7e43cfde2fdf0328f67c739b64cb551aa42a
What was observed
{
"endpoints": [
[
"x402",
"https://api.cortexcloud.org/v1/data/market-snapshot"
]
],
"name": "CortexCloud",
"owner_address": "0x5a0353bc9c75b893a9b5735d3e79f1bd988ea143",
"raw": {
"accepts": [
{
"amount": "70000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 60,
"network": "eip155:8453",
"payTo": "0x5a0353bc9c75b893a9b5735d3e79f1bd988ea143",
"scheme": "exact"
}
],
"description": "One-call market snapshot: token intelligence, whale activity, and risk verdict fanned out in parallel and merged under token/whale_activity/risk with a snapshot_at timestamp. Partial failures return an error key per section instead of failing the whole response. x402-paid, USDC on Base.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"chain": "ethereum",
"coin_id": "usd-coin",
"contract": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
"cache_hit": false,
"chain": "ethereum",
"contract": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"currency": "USDC",
"margin_usd": 0.069865,
"partial": false,
"price_usd": 0.07,
"provider_cost_usd": 0.000135,
"risk": {
"cache_hit": false,
"chain": "ethereum",
"contract": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"evidence": [
{
"check": "contract_exists",
"result": true,
"source": "alchemy eth_getCode"
},
{
"check": "token_metadata",
"decimals": 6,
"name": "USDC",
"source": "alchemy alchemy_getTokenMetadata",
"symbol": "USDC"
},
{
"age_days": null,
"check": "age_liquidity",
"genesis_date": null,
"market_cap_usd": 72074606956,
"source": "coingecko /coins/usd-coin",
"total_volume_usd_24h": 12737136578
}
],
"risk_flags": [],
"verdict": "low"
},
"sections": {
"failed": 0,
"ok": 3,
"requested": 3
},
"snapshot_at": "2026-10-31T19:56:00+00:00",
"token": {
"chain": "ethereum",
"contract": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"facts": {
"age_days": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "coingecko /coins/usd-coin",
"value": 2000
},
"contract_deployed": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "alchemy eth_getCode",
"value": true
},
"latest_transfer": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "alchemy alchemy_getAssetTransfers",
"value": {
"block_num": "0x18eca09",
"from": "0x...",
"hash": "0x...",
"timestamp": "2026-10-31T19:55:00Z",
"to": "0x...",
"value": 100
}
},
"liquidity_usd_24h": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "coingecko /coins/usd-coin",
"value": 5000000000
},
"price_usd": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "coingecko /simple/token_price/ethereum",
"value": 1.0001
},
"recent_transfer_count": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "alchemy alchemy_getAssetTransfers",
"value": 25
},
"symbol": {
"checked_at": "2026-10-31T19:56:00+00:00",
"source": "alchemy alchemy_getTokenMetadata",
"value": "USDC"
}
},
"risk_flags": [],
"verdict": "low"
},
"whale_activity": {
"alerts": [
{
"asset": "ETH",
"block_num": "0x18eca09",
"block_timestamp": "2026-10-31T19:54:00Z",
"category": "external",
"direction": "out",
"from": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045",
"hash": "0x...",
"to": "0x...",
"usd_estimated": true,
"value": 250,
"value_usd_est": 250
}
],
"alerts_count": 2,
"cache_hit": false,
"chain": "ethereum",
"min_usd": 100000,
"note": "USD floor applied to native-asset transfers only; erc20 values are raw (call /token-price for USD).",
"watched_address": "0xd8da6bf26964af9d7eed9e03e53415d37aa96045"
}
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"address": {
"description": "Wallet for whale activity; defaults to the contract.",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chain": {
"default": "ethereum",
"type": "string"
},
"coin_id": {
"description": "Optional CoinGecko coin id for market context.",
"type": "string"
},
"contract": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"limit": {
"default": 50,
"maximum": 100,
"minimum": 1,
"type": "integer"
},
"min_usd": {
"default": 100000,
"type": "number"
}
},
"required": [
"contract"
],
"type": "object"
},
"bodyType": {
"const": "json",
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {},
"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/v1792713080/bazaar-icons/2c8455b1b8a2ef6e.png",
"lastUpdated": "2026-11-01T15:44:43.097Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T15:44:42.174Z"
},
"resource": "https://api.cortexcloud.org/v1/data/market-snapshot",
"serviceName": "CortexCloud",
"tags": [
"onchain",
"crypto",
"blockchain",
"data",
"x402"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "One-call market snapshot: token intelligence, whale activity, and risk verdict fanned out in parallel and merged under token/whale_activity/risk with a snapshot_at timestamp. Partial failures return an error key per section instead of failing the whole response. x402-paid, USDC on Base."
}What the leaf hashes
{"body":"0c34e5941d3fcbdc91887efdb97d2d39658db59c21d2155ae6d4720eac9f3f9e","id":1789751,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793559928553251,"prev":null,"subject":"x402_bazaar:https://api.cortexcloud.org/v1/data/market-snapshot","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).
- 0x1e8905c16775a804fdaab5f61877812d3328763b900de55537d70c67db917a00
- 0xa5a7c4576731b185d725b4b61c0e8ad4d304837d741a5a4eb336f153b39340eb
- 0x36bad84f55f70b21294a081318f8cbbef72fc4484c1c16c0b02bfb36a420e3e2
- 0xc6907090d79324f8f13fbd75ac9df01014030071cba2af462f62c17b7c73808f
- 0xe3138a17386127a23847661589494c4c284801e93df1110f10c560ee94e600dc
- 0x9694a2d261eaa80ae823f6714cc94fb79766f658908f948fec7656b2989d93e1
- 0xa8b2261b021f811e317fbc54100cd0b0cd4c042e356e5a3fe1f19c35fad38a28
- 0x00dc86dc123c5a9ba7995cfd0fb2847b41363c22f193ac2280d6f61397df011d
- 0xa97debf305aa5cecd5b0a78cf8aac06f74ba8d559475f86f4aebfc03fed49e84
- 0x04b5d01ceb2f416c670f385ab036451b4ac09b5de2bffde0e9a342c1b947ccca
- 0x3d983cbd3b9d176614b20025632e28a49c5d6496b811f38a0718938105e4f9cd
- 0xc406b2ad2b09fed9c24c44f3ea252b9d83650f7be0ad7c06e82029d1bd2fb859
- 0xae521539711ad5a91adbe0dd002003819ce70e53b6a96152851758fc41b75098
- 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
- 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
- 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
- 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
- 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
- 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
- Day root
- 0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
- Chained
- 0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
- Published
- On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90