← The evidence ledger
Evidence row 123219
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://twin.unykorn.org/price/optimism
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5ee6e9a1429e9d202ce5fc6e1f494663aeeee166659e6f5d23ee1ca3b06d84ab
- Leaf
- 0x888ad4dcd18df619c9400b38ca1afebb1b29d2642205680a66c214c2dd1cfaae
What was observed
{
"endpoints": [
[
"x402",
"https://twin.unykorn.org/price/optimism"
]
],
"name": "twin.unykorn.org/price/optimism",
"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": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"maxAmountRequired": "3000",
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "52EqTZigRAnBphuYAuREjQJx5H5ryyc1RETpDR2dZFQp",
"scheme": "exact"
}
],
"description": "Optimism (OP) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"params": {}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"evidence_hash": "sha256:<64hex>",
"generated_at": "<iso time>",
"limitations": "<text>",
"ok": true,
"receipt": {
"amount_usd": 0.003,
"receipt_id": "g402-<16hex>",
"tx_hash": "0x<64hex>"
},
"sources": [
{
"name": "<source>",
"ok": true
}
],
"type": "price-optimism"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"params": {
"properties": {},
"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": "2026-10-08T05:40:08.935Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-08T05:40:08.757Z"
},
"resource": "https://twin.unykorn.org/price/optimism",
"tags": [
"price",
"op",
"optimism",
"crypto price",
"market data"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Optimism (OP) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network"
}What the leaf hashes
{"body":"5ee6e9a1429e9d202ce5fc6e1f494663aeeee166659e6f5d23ee1ca3b06d84ab","id":123219,"kind":"listing","method":"baseline/1","observed_us":1793025622879980,"prev":null,"subject":"x402_bazaar:https://twin.unykorn.org/price/optimism","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).
- 0x888a8f395393c16184f48b4741952207ad55ee2f1265c5c2094af5f21adb6ec0
- 0xa6e62de69e6f2ebf6071fc024f662cada3969d153c01fd5576030324d767c258
- 0x5f1a9513baafc3fbf5518d737f521b290b07c241207fac110ea73821bb3b45e4
- 0x19b0410d85e87aa293e8f53863405dc8490e107130d9c3401d9c33e0c90ec60f
- 0x5826433752a80bd1567fdb29217471b3c26af6aef21c5a0ac67b1f3ac7b35e4b
- 0xfebe3e003619a24ec12ccb0c5e217374f844bb2009242de7daf625298aa9a376
- 0x3a4f76da217b85325ab21831e0bd15c260a3ad42994370c942cd2bc24e43c46a
- 0xc67df83956ee47c3ae8e9e3e1018dadfa69f841d56cbc9dfb1f7b1efe63f19a6
- 0x14c6f091b2b6d3e423db7bdf1dd24bedab7abb68b4deade5ed6b4cad54a8d8cf
- 0xb7586af46bfddb2ee3fc0eb75ae3d787275fe8ca92d7e23797abbeb88c292ae9
- 0x8c20bf7d4b3dd52508d554a379143f96b80b2bc0af227c0b1ce2e34d99c6430b
- 0x7bf2d426bb827b94d7608055662cf2e3f09791e1a4c2c6bd606c0a9e89b18e59
- 0x49d11be052a4c069b10250aaba214f566b3f2e5aaa7a98e82ccc6a71c0e801a0
- 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae