← The evidence ledger
Evidence row 69839
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.vextorium.com/v1/europe-power-prices
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8b5be0adedb58ef630d9e177c39e61bcab00793e6dcae39cfedd9672c42cb705
- Leaf
- 0x16256dc8fbb44fc8e364748b6b403a5eddd3e2b1fd54b3b16d586bfb4a90d706
What was observed
{
"endpoints": [
[
"x402",
"https://api.vextorium.com/v1/europe-power-prices"
]
],
"name": "Vextorium",
"owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
"raw": {
"accepts": [
{
"amount": "3000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "4ZHcGaij9ktYqm9dNvMSMLsbT5D7BUrXDEzQGVH5h3Q6"
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
"extra": {
"assets": [
{
"address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:10",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
},
{
"amount": "3000",
"asset": "0x3600000000000000000000000000000000000000",
"extra": {
"assets": [
{
"address": "0x3600000000000000000000000000000000000000",
"authorizationVersions": [
"1",
"2"
],
"decimals": 6,
"symbol": "USDC"
}
],
"minValiditySeconds": 604800,
"name": "GatewayWalletBatched",
"verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
"version": "1"
},
"maxTimeoutSeconds": 604900,
"network": "eip155:5042",
"payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
"scheme": "exact"
}
],
"description": "Wholesale day-ahead electricity price in a European country or zone (DE, FR, ES, PT, IT, NL, BE, AT, PL, CH, Nordics...) for today or a given day: hourly EUR/MWh, average, max, min and cheapest and most expensive hours. Use «todos» to compare the daily average across countries.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"country": "ES"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"avg": 168.6,
"cheapest_hours": [
{
"eur_mwh": 76.45,
"time_utc": "2026-10-03T11:00Z"
},
{
"eur_mwh": 85.93,
"time_utc": "2026-10-03T12:00Z"
}
],
"day": "2026-10-03",
"max": 220.56,
"min": 76.45,
"most_expensive_hours": [
{
"eur_mwh": 220.56,
"time_utc": "2026-10-03T18:00Z"
},
{
"eur_mwh": 210.18,
"time_utc": "2026-10-03T19:00Z"
}
],
"per_hour": [
{
"eur_mwh": 187.5,
"time_utc": "2026-10-02T22:00Z"
},
{
"eur_mwh": 174.55,
"time_utc": "2026-10-02T23:00Z"
}
],
"source": "Energy-Charts (Fraunhofer ISE). Licencia: The data provided herein is for private and internal use only. The utilization of any data, whether in its raw or derived form, for external or commercial purposes is expressly prohibited. Should you require licensing for market-related data, please direct y…",
"unit": "EUR / MWh",
"zone": "ES"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"country": {
"type": "string"
},
"day": {
"description": "YYYY-MM-DD",
"type": "string"
}
},
"required": []
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"avg": {
"type": [
"number",
"null"
]
},
"cheapest_hours": {
"items": {
"properties": {
"eur_mwh": {
"type": [
"null",
"number"
]
},
"time_utc": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"type": [
"array",
"null"
]
},
"day": {
"type": [
"string",
"null"
]
},
"max": {
"type": [
"number",
"null"
]
},
"min": {
"type": [
"number",
"null"
]
},
"most_expensive_hours": {
"items": {
"properties": {
"eur_mwh": {
"type": [
"null",
"number"
]
},
"time_utc": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"type": [
"array",
"null"
]
},
"per_hour": {
"items": {
"properties": {
"eur_mwh": {
"type": [
"null",
"number"
]
},
"time_utc": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"string",
"null"
]
},
"unit": {
"type": [
"string",
"null"
]
},
"zone": {
"type": [
"string",
"null"
]
}
},
"type": [
"object",
"null"
]
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-08T06:11:51.477Z",
"quality": {
"l30DaysTotalCalls": 3,
"l30DaysUniquePayers": 3,
"lastCalledAt": "2026-10-08T06:11:51.237Z"
},
"resource": "https://api.vextorium.com/v1/europe-power-prices",
"serviceName": "Vextorium",
"tags": [
"electricity",
"energy",
"power-prices",
"europe",
"day-ahead"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Wholesale day-ahead electricity price in a European country or zone (DE, FR, ES, PT, IT, NL, BE, AT, PL, CH, Nordics...) for today or a given day: hourly EUR/MWh, average, max, min and cheapest and most expensive hours. Use «todos» to compare the daily average across countries."
}What the leaf hashes
{"body":"8b5be0adedb58ef630d9e177c39e61bcab00793e6dcae39cfedd9672c42cb705","id":69839,"kind":"listing","method":"baseline/1","observed_us":1793025479031252,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/europe-power-prices","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).
- 0x16253878362ebe1f5beb900e2acc41c907dd69206ec03ce3a6980052a58a9781
- 0xaf98ae970daa14338017faaa1dcb165c378b3aaeea81f11604d483ffe17d2837
- 0x8c5c4b611687ac5eb100d243cd044c424e2b71740134cf81636d4feb1cf79160
- 0x55646365ff06405cca7b061fc8eded5f3b2ee81ad3c1223748aa199cc76aff24
- 0x9e40ed7d3c42f0756b2bf866187d115619b29b009532047842620b2957068cdb
- 0x1fbc525662f0d1e2c80200573abac03f3cb6208274069c897a6b8a95bf3b7795
- 0x0e92d097267d048d5beb7c05b72350254076fedbf79b5da67e96e91d4fef043f
- 0x2bff58401d520d6ae8841ffd0959f08117245a742d4e6fdfd81d489fc501554e
- 0x4353f9765dc35ef405c74366e0d045e048fd321b985e9cd73a26be88ce05f264
- 0xd3388b2b4c7f521364d933c4432002eaf85765d15a09631fb8cf2491679dccc1
- 0xed7aa4f0a0c93f40e8bb99589e49cbc6da4d8144091eb55a8707245d7bf94039
- 0x856fd0d049baa5f07cd2d5d524b40c994bed22cb46ea15af4cc075b3f3f3d444
- 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
- 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae