← The evidence ledger
Evidence row 119105
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://regimeshift.xyz/api/v1/asset/btc/vrp
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- ce99c9baea286cc81fed471d7069d3ea920c87ee879438615d67fa1d02a73321
- Leaf
- 0xc1511d4abf5a17e4f7d1f209ea1963d4d832d4d4bbc1020df7999c9c6a3b5572
What was observed
{
"endpoints": [
[
"x402",
"https://regimeshift.xyz/api/v1/asset/btc/vrp"
]
],
"name": "regimeshift.xyz/api/v1/asset/btc/vrp",
"owner_address": "0x82b17d0bb4de9ae6c3491257b60e8245e70acd7b",
"raw": {
"accepts": [
{
"amount": "1000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x82B17D0bb4De9ae6c3491257B60E8245e70acd7B",
"scheme": "exact"
}
],
"description": "BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit (DVOL, RV_72h, RV_6h, spot), timestamp, and open methodology URL.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"type": "http"
},
"output": {
"example": {
"asset": "ETH",
"cache_ttl_sec": 60,
"computed_at": 1779284275,
"inputs": {
"dvol": 52.58,
"rv_6h": 40.204,
"rv_72h": 52.4275,
"source": "Deribit public API (DVOL + ETH-PERPETUAL OHLC)",
"spot_usd": 2130.2,
"timestamp": "2026-05-20T14:00:00+00:00"
},
"methodology": "https://regimeshift.xyz/methodology/vrp-v1",
"ok": true,
"quiet": true,
"regime": "MID",
"vrp": 0.1525
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asset": {
"enum": [
"ETH",
"BTC"
],
"type": "string"
},
"cache_ttl_sec": {
"type": "integer"
},
"computed_at": {
"description": "Unix timestamp",
"type": "integer"
},
"inputs": {
"properties": {
"dvol": {
"description": "Deribit volatility index, annualized %",
"type": "number"
},
"rv_6h": {
"description": "Parkinson realized vol over 6h, %",
"type": "number"
},
"rv_72h": {
"description": "Parkinson realized vol over 72h, %",
"type": "number"
},
"source": {
"type": "string"
},
"spot_usd": {
"type": "number"
},
"timestamp": {
"format": "date-time",
"type": "string"
}
},
"required": [
"dvol",
"rv_72h",
"spot_usd",
"timestamp"
],
"type": "object"
},
"methodology": {
"format": "uri",
"type": "string"
},
"ok": {
"description": "Request status",
"type": "boolean"
},
"quiet": {
"description": "true if RV_72h < 60%",
"type": "boolean"
},
"regime": {
"enum": [
"LOW",
"MID",
"HIGH"
],
"type": "string"
},
"vrp": {
"description": "DVOL − Parkinson RV(72h), in vol points. Positive = sell-vol opportunity",
"type": "number"
}
},
"required": [
"ok",
"asset",
"vrp",
"regime",
"inputs"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T16:01:00.51Z",
"quality": {
"l30DaysTotalCalls": 7,
"l30DaysUniquePayers": 7,
"lastCalledAt": "2026-10-25T16:01:00.112Z"
},
"resource": "https://regimeshift.xyz/api/v1/asset/btc/vrp",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit (DVOL, RV_72h, RV_6h, spot), timestamp, and open methodology URL."
}What the leaf hashes
{"body":"ce99c9baea286cc81fed471d7069d3ea920c87ee879438615d67fa1d02a73321","id":119105,"kind":"listing","method":"baseline/1","observed_us":1793025614558478,"prev":null,"subject":"x402_bazaar:https://regimeshift.xyz/api/v1/asset/btc/vrp","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).
- 0xc1510650a301baf379e4a081cbaf84bd40772fe5de4cae52793e55e82a94bbf2
- 0x7f9261e43ae9f8a2b230cfd803da824494abdae8fef539be8cc5a55392cebd55
- 0xb7cd6c173401add9794857d90a191502b3ecce804a37ce6a3f6cba2f16aa4342
- 0x7c6d2808953e8d707b7a64b7aea66e9eeb9b76ee4cbc064c175457f91652c013
- 0xf8ceb0e3873fc899cacfbea196c14d1a91df1bae937509b7af7ca013ea453fa7
- 0xdf7e5a376b844cd6eeb7a395c7b3abb8cb4f21eb89f6f856bd98804837fbb667
- 0x02f6560fe9e751daae75a4c6b8156506c6af43c157d88031cafeaa829cfbeee0
- 0xc7f8c94184b096d6004089056d29d797ac2127e08837cd0777258019fb055f60
- 0x091243e4069dfd2eeb0b8dc6581a268965484e278ee245186f03e870f550fec2
- 0xdb630840559ca98efe4caba77a155e418f81e1eb0b7bac122b345364c8b871dd
- 0xf4fdcce8aa5f97c7e98aeab4ad558743dfee0aa6d4d12415896a148aee663b17
- 0x111576180a2fecebcaf560e6b72ed8cefedaacb8c607539ece417b7465831f66
- 0x96eae331a78c1c9248bc58130ff83d31b884760a51fe7191de2a39105ae7c072
- 0xdbe2e8dd65ea1248b2936612538f18268abd5cf27ebdab3737694571ad496004
- 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae