← The evidence ledger
Evidence row 525744
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://regimeshift.xyz/api/v1/asset/btc/vrp
- Recorded
- Previous row
- #451365
- Body SHA-256
- 74ff7a6460fba200053427b43763a008be5596159f4c12a9fb46b1cfae8bf368
- Leaf
- 0xdadcd55f1d2daea6fbee294e658964c1985a359c8a2e3c9dd8452bf398a84376
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": "2026-10-27T09:45:41.763Z",
"quality": {
"l30DaysTotalCalls": 8,
"l30DaysUniquePayers": 8,
"lastCalledAt": "2026-10-27T09:45:41.335Z"
},
"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":"74ff7a6460fba200053427b43763a008be5596159f4c12a9fb46b1cfae8bf368","id":525744,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124765217805,"prev":451365,"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 (273461 rows).
- 0xdadcc7d27d322a00e90042bd06c0b705a890bc046944bfc6017b4d7548c4d0ae
- 0xd89175f12c0c7e9199c2c3656df5c7cdb4c10f43e1673f39f43fb7fd113c6230
- 0x860b65dbcbac9b32934fb6dd6ffab6a469e2cc9b7211a281fbb02cb4a6d8c4d4
- 0x3c68a5187eec72b51e6d6d395e868325f03b61ea4a7c981f83169c302054d8d0
- 0x44ffe5ea5413cde571f33a6aa766fd95a974634c2af9d105a960f193e09323b2
- 0x3a01a9578995ae2646ce73cdad22921ef84ca8abefb6b8a9c5fa1bd2a53a358e
- 0x3c4caee8c8cd8d80649737b4d7b06871e69b8625cfb81979a4593d8380bb5152
- 0x510e3448930dd539fd1e3210476045c90f5a006400345f096bf0980b70e4bd45
- 0x5ad3b8750d5f4dcdcde810c8fc9a46b44a6447b94461109718527b09f52aefe5
- 0xef0c05f61337babe0838f6d83db6f887c47147116d9f99842db6740e7d8756d4
- 0x060f0050459b9f778c2761a528a47f6fd2a30d32b8fb939c042a40bcf5eae20e
- 0xb1729a74b02e0277214cd7ddc7a3826d50fd12538906bbf13236f7c6cca39323
- 0x9f8e192630bb5fc72241bfdb0460be2fccc141b3afd0197fe2e478dc28ce82a9
- 0xd59f3e577867f5105dd7f75598f16da8286185e426dfcdafb84e733fde2b2492
- 0x24e3e2bb8ee1e8d20756de35f0e0c4ec8eb1f193bd2cf3f077ee1f92f211c34d
- 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
- 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4