← The evidence ledger
Evidence row 67616
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.myceliasignal.com/oracle/iv/eth/usd
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 51108d2eab72d56125a6277f7be9f2bd63fb17a1d98f5fcaf47d14faf9036b54
- Leaf
- 0xfaa4a48227306e25036d2db0a69dd17ff92004811143660de0c2b675a1ee24c0
What was observed
{
"endpoints": [
[
"x402",
"https://api.myceliasignal.com/oracle/iv/eth/usd"
]
],
"name": "api.myceliasignal.com/oracle/iv/eth/usd",
"owner_address": "0xd593832ce9c2b13b192ba50b55dd9af44e96700d",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xD593832Ce9C2B13B192ba50B55dd9AF44e96700d",
"scheme": "exact"
}
],
"description": "ETH implied volatility surface — ATM IV, skew, term structure from 690+ Deribit options — Ed25519 signed attestation",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"atm_iv": 50.4,
"call_25d_iv": 48.708,
"canonical": "v1|IV|ETH|atm_iv|50.4|skew|4.23|ts_ratio|0.88|put_25d|54.63|call_25d|48.71|1700000000|123456",
"currency": "ETH",
"far_iv": 50.7,
"n_options": 628,
"near_iv": 50.9,
"pair": "eth/usd",
"pubkey": "f4f0e52b5f7b54831f965632bf1ebf72769beda4c4e3d36a593f7729ec812615",
"put_25d_iv": 54.629999999999995,
"signature": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"signingScheme": "ed25519",
"skew": 4.23,
"source": "deribit",
"spot": 3100,
"ts_ratio": 0.88
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-19T18:57:25.071Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-19T18:57:24.904Z"
},
"resource": "https://api.myceliasignal.com/oracle/iv/eth/usd",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "ETH implied volatility surface — ATM IV, skew, term structure from 690+ Deribit options — Ed25519 signed attestation"
}What the leaf hashes
{"body":"51108d2eab72d56125a6277f7be9f2bd63fb17a1d98f5fcaf47d14faf9036b54","id":67616,"kind":"listing","method":"baseline/1","observed_us":1793025464436023,"prev":null,"subject":"x402_bazaar:https://api.myceliasignal.com/oracle/iv/eth/usd","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.