← The evidence ledger
Evidence row 123072
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://twin.unykorn.org/eip712-hash
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- c555e81f1279a87df13a2d8ec3f09346649c73a133d3dc93647780db5692f26d
- Leaf
- 0xa4639d0782fa05daf03bab25ff737ccd4b6557e0a94e8d2136c5955f2f6fc4fe
What was observed
{
"endpoints": [
[
"x402",
"https://twin.unykorn.org/eip712-hash"
]
],
"name": "EIP-712 typed-data digest",
"owner_address": "0x7d9a65d06dcc435a52d5880c6310bd6e96c156db",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0x7d9a65d06dcc435a52D5880C6310Bd6E96c156DB",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
"scheme": "exact"
}
],
"description": "EIP-712 typed-data digest — Genesis402 / UnyKorn Operator Network",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"params": {
"domain": {
"chainId": 8453,
"name": "Example",
"version": "1"
},
"message": {
"contents": "hello"
},
"primaryType": "Mail",
"types": {
"Mail": [
{
"name": "contents",
"type": "string"
}
]
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"generated_at": "<iso8601>",
"ok": true,
"receipt": {
"amount_usd": 0.003,
"receipt_id": "g402-<16hex>",
"tx_hash": "0x<64hex>"
},
"type": "eip712-hash"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"params": {
"properties": {
"domain": {
"description": "any JSON value",
"type": [
"object",
"array",
"string",
"number",
"boolean",
"null"
]
},
"message": {
"description": "any JSON value",
"type": [
"object",
"array",
"string",
"number",
"boolean",
"null"
]
},
"primaryType": {
"description": "string",
"type": "string"
},
"types": {
"description": "any JSON value",
"type": [
"object",
"array",
"string",
"number",
"boolean",
"null"
]
}
},
"required": [
"domain",
"types",
"primaryType",
"message"
],
"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": "2026-10-08T06:12:39.468Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:12:39.339Z"
},
"resource": "https://twin.unykorn.org/eip712-hash",
"serviceName": "EIP-712 typed-data digest",
"tags": [
"Ethereum",
"ABI",
"EVM",
"deterministic",
"developer tooling"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "EIP-712 typed-data digest — Genesis402 / UnyKorn Operator Network"
}What the leaf hashes
{"body":"c555e81f1279a87df13a2d8ec3f09346649c73a133d3dc93647780db5692f26d","id":123072,"kind":"listing","method":"baseline/1","observed_us":1793025622591168,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/eip712-hash","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).
- 0xa463d069ae3bdd1161cc5605204f834e5d748c8583e4ca552bc81f0a4bf8c18c
- 0xf2b7ec35de50bc61bc30aedc05ecc9823864caa11a7152722ba34a368e5f486e
- 0x89709ff1f2719f70afedbe286ddecc936ba7f17485c87d25c6a1f6dd5986d34c
- 0x183ce6af6307e089567f88fce5009f751624d7dc9a77c7de0304969a8ae94df7
- 0x81228be991429b17c7a5d00179ff68219aac62bb44fbe04b2e6dab9ba1ef7e6b
- 0x4fd8c30ce56616f37aab951c19649acd05814c69a4dca4c013ac451092904b7e
- 0xf840d41f8156406b3c072634b6d438fa9591c8cb8cef0fa99c85093625bd9689
- 0x1348281961d716282c190aa3307240a49d92517cfa8e27f302471b2146d2aff0
- 0x379dce8f4f81c1da8c228257bf51d1eea95978e6d24e3625a0a38a1edb3348fe
- 0xcfc41667c7e4033b09b3eb60ac1b4f7735f1d813168ca8ee332b26dbabe469c4
- 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
- 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
- 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
- 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
- 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
- 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae