← The evidence ledger
Evidence row 123162
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://twin.unykorn.org/json-canonical
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6241f3c698f6e268e9ba6a43b4b31cbb3bb30034db82f80c03e18ba2bff5e41e
- Leaf
- 0x4699d53483bb856645baf164a08b4245394ae85967d0afde4e6c990936112e0f
What was observed
{
"endpoints": [
[
"x402",
"https://twin.unykorn.org/json-canonical"
]
],
"name": "Canonical JSON and its 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": "Canonical JSON and its digest — Genesis402 / UnyKorn Operator Network",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"params": {
"json": {
"a": 1,
"b": 2
}
}
},
"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": "json-canonical"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"params": {
"properties": {
"json": {
"description": "any JSON value",
"type": [
"object",
"array",
"string",
"number",
"boolean",
"null"
]
}
},
"required": [
"json"
],
"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": "2026-10-08T06:12:30.715Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T06:12:30.603Z"
},
"resource": "https://twin.unykorn.org/json-canonical",
"serviceName": "Canonical JSON and its digest",
"tags": [
"JSON",
"deterministic",
"utility",
"data",
"canonicalisation"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Canonical JSON and its digest — Genesis402 / UnyKorn Operator Network"
}What the leaf hashes
{"body":"6241f3c698f6e268e9ba6a43b4b31cbb3bb30034db82f80c03e18ba2bff5e41e","id":123162,"kind":"listing","method":"baseline/1","observed_us":1793025622809292,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/json-canonical","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).
- 0x46996d40287f0641a7931c6f165f289b1f5212d21fc3bb794c2a5f9cd9bbc8e4
- 0x45fd5cad46a42f929075bdfcc0ec1e01515f715eb78b8b8dc70c89f4ed16aa39
- 0x761a513010d245fc6eefbdd05cf232da88d0c7f1c2bdf33d5afe56212c44c3be
- 0x6d1df9fe41374543a2408af5ac138970f59cff553b66768ddf1a93fc28d30952
- 0x348c062d2bafc208e0c1cc66eb02f8fa96eb0102ca16a395869ebbd7c5739156
- 0xe1ebebd304be1d1d50df0eb77d45c1c6fc9f3e44aff9acdbfc3af0b8c76bbbe5
- 0x1a71ba499fef333fd4817402f70db0b67a0d75f417738aa2eb039ab158f13cfb
- 0x492cfcec89448416e0a824e4b84c15c0b634d7826a6757f4c65dc17bea31f056
- 0xe5072062b675cdb48508c08bef441bee044b7b5b1fed9212975b6f835e68ddff
- 0xcd934e2b871408ef0d8f8e8cb8b358f8962f1b0c7e1c705d07cb56341c09a284
- 0xdbfd78a5599cc272407d120acb838567e0679d241216572c603e875a5947fb2e
- 0x804dd9d5afe0f1a780e24099fb6b21f5f20545893ea0eeddf5fb9114e2f3edd5
- 0x54b29089c0a3cbbd6ddbe58944696110984dd5f418275cb1b77f957c56da8eab
- 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
- 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
- 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae