← The evidence ledger
Evidence row 123274
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://twin.unykorn.org/risk
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 4532987e229d02340db3d8140170f7a173abcfb0bd48ed2a8f2edaffba4da918
- Leaf
- 0x91dffcd1192228f36d3dda9dae9e332bfe06d250c514fcb568d2f4299f050fad
What was observed
{
"endpoints": [
[
"x402",
"https://twin.unykorn.org/risk"
]
],
"name": "twin.unykorn.org/risk",
"owner_address": "0x7d9a65d06dcc435a52d5880c6310bd6e96c156db",
"raw": {
"accepts": [
{
"amount": "250000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
"scheme": "exact"
},
{
"amount": "50000",
"asset": "XRP",
"extra": {
"instructions": "Send the payment with a Memo whose MemoData = memo_sha256 (hex). Then present X-PAYMENT {\"network\":\"xrpl:mainnet\",\"txHash\":\"<hex>\",\"nonce\":\"<nonce>\"}.",
"memo_sha256": "9d22972e489812e6463a97b15d2a33fcea58cbd7c219b2cc122de5d382792c5b",
"nonce": "1790741729.9adb3413a8b85ec79076aedd.e13145b82739110ba056894b65f9ec84",
"nonce_expires_at": 1790743529,
"pay_first": true,
"unit": "drops"
},
"maxTimeoutSeconds": 300,
"network": "xrpl:mainnet",
"payTo": "rwiU6YvYqWP6eoGsxqcx6PRGeUP6dNdHve",
"price": "0.05",
"scheme": "exact"
},
{
"amount": "250000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "250000",
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
"scheme": "exact"
},
{
"amount": "250000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
},
"maxAmountRequired": "250000",
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
"scheme": "exact"
},
{
"amount": "2500000",
"asset": "USDC",
"extra": {
"instructions": "Send the payment with memo type HASH = memo_sha256 (32 bytes hex). Then present X-PAYMENT {\"network\":\"stellar:pubnet\",\"txHash\":\"<hex>\",\"nonce\":\"<nonce>\"}.",
"memo_sha256": "9d22972e489812e6463a97b15d2a33fcea58cbd7c219b2cc122de5d382792c5b",
"nonce": "1790741729.9adb3413a8b85ec79076aedd.e13145b82739110ba056894b65f9ec84",
"nonce_expires_at": 1790743529,
"pay_first": true,
"unit": "stroops (7 decimals)"
},
"issuer": "GA5ZSEJYB37JRC5AVCIA5MOP4RHTM335X2KGX3IHOJAPP5RE34K4KZVN",
"maxTimeoutSeconds": 300,
"network": "stellar:pubnet",
"payTo": "GCOMBJJ6KDFZJB4DT24HB6ROBISHB3IUXQ2PRFJYNN7EYH6TZZ5M6SQR",
"pay_first": true,
"price": "0.25",
"proof": "send with memo type HASH = the memo_sha256 from this 402, then present X-PAYMENT {\"network\":\"stellar:pubnet\",\"txHash\":\"<hex>\",\"nonce\":\"<nonce>\"}",
"scheme": "exact"
}
],
"description": "Wallet / token / contract risk snapshot (Base, Polygon) — pre-trade check, machine-readable JSON — Genesis402 / UnyKorn Operator Network",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"params": {
"address": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
"chain": "base"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"evidence_hash": "sha256:<64hex>",
"generated_at": "<iso8601>",
"ok": true,
"receipt": {
"amount_usd": 0.25,
"receipt_id": "g402-<16hex>",
"tx_hash": "0x<64hex>"
},
"request_id": "risk_<16hex>",
"score": 0,
"signals": [
{
"evidence": "Not present on the OFAC SDN list (1046 digital-currency entries screened).",
"name": "screen:ofac_sdn_treasury",
"severity": "clear"
},
{
"evidence": "Top 10 holders control 41.2% of supply.",
"name": "token:liquidity_concentration",
"severity": "info"
}
],
"sources": [
{
"name": "blockscout_address",
"ok": true,
"url": "https://base.blockscout.com/api/v2/addresses/0x…"
}
],
"subject": {
"address": "0x4ed4…efed",
"chain": "base",
"kind": "token_contract",
"network": "eip155:8453"
},
"type": "risk",
"verdict": "low_risk"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"params": {
"properties": {
"address": {
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chain": {
"enum": [
"base",
"polygon"
],
"type": "string"
}
},
"type": "object"
}
},
"required": [
"params"
],
"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": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-09-30T04:15:29.693Z",
"quality": {
"l30DaysTotalCalls": 1,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-09-30T04:15:29.559Z"
},
"resource": "https://twin.unykorn.org/risk",
"tags": [
"wallet risk",
"token screening",
"contract analysis",
"transaction evidence",
"pre-trade check"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Wallet / token / contract risk snapshot (Base, Polygon) — pre-trade check, machine-readable JSON — Genesis402 / UnyKorn Operator Network"
}What the leaf hashes
{"body":"4532987e229d02340db3d8140170f7a173abcfb0bd48ed2a8f2edaffba4da918","id":123274,"kind":"listing","method":"baseline/1","observed_us":1793025622964594,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/risk","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).
- 0x91e01e748cdb7a1c4ced677263b2e361c16e76204351c557c604cfb9290bb3f3
- 0x73109ce7cff3905b63661381d8f06e75d8e6c9c045d364394e21c40a32b2f9f2
- 0x72122a3522b231120adaa1220390dbaebfe9a064ea04352bc5a5f0908af05a04
- 0xb9ace6ff34a2d1381533af1e4552b0438989cbe16d41f6cae80d7498f0fa12e8
- 0xd8a20a1221193c435904177e9e28c32dd34240a3a2b8c01e641806a24a8fc4eb
- 0x0c07acaca71d47fea73aa614e32028f97aefc2e7caf81f1ede81cf15750d834f
- 0x37a70ea2e2985426c460e4b44f9c3e9dd4ea98b0fbf943c47e1d2723f98c3637
- 0xc5315bbc2b3787868bc52a4a865cd3e8f04f484d6fdc9842c808d39da9be5be9
- 0xd2c26205321a8ef47800df74c140f2a787b4379608438b45bb9989986c62306f
- 0x0d8c9849ad61f3608ed33ea96162e91265f1a635a7e3d125b440758921da7146
- 0x316efc275d57dcc035269c8eb6bada510779068882f33960d16f7f84af2b4432
- 0xe131b224ee3c295dfa790b458d9daa11e2a32e6131c280c6be7d92190c756a88
- 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
- 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
- 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae