Evidence row 73088

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://data.greeneris.io/v1/eu/power-price"
    ]
  ],
  "name": "eu-verify",
  "owner_address": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
        "scheme": "exact"
      }
    ],
    "description": "Wholesale day-ahead electricity prices in EUR/MWh per European bidding zone, from the Energy-Charts API (Fraunhofer ISE; data CC BY 4.0 from Bundesnetzagentur/SMARD). Query: ?bzn=DE-LU|FR|NL|ES|IT-NORTH|SE4... (44 zones), optional ISO window &start=2026-07-12&end=2026-07-13. Returns timestamped price points (15-min or hourly slots, max 288). 1h cache.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "bzn": "FR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "bzn": "FR",
              "count": 96,
              "points": [
                {
                  "price": 63.61,
                  "time_utc": "2026-07-14T00:00:00Z"
                },
                {
                  "price": 60.2,
                  "time_utc": "2026-07-14T00:15:00Z"
                }
              ],
              "source": "Energy-Charts API (Fraunhofer ISE) -- CC BY 4.0 (creativecommons.org/licenses/by/4.0) from Bundesnetzagentur | SMARD.de",
              "unit": "EUR/MWh"
            },
            "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": {
                    "bzn": {
                      "default": "DE-LU",
                      "description": "Bidding zone code, e.g. DE-LU, FR, NL, IT-NORTH",
                      "type": "string"
                    },
                    "end": {
                      "description": "ISO 8601 window end (optional, with start)",
                      "type": "string"
                    },
                    "start": {
                      "description": "ISO 8601 window start (optional, with end)",
                      "type": "string"
                    }
                  },
                  "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": "2026-10-08T03:10:33.747Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-08T03:10:33.555Z"
    },
    "resource": "https://data.greeneris.io/v1/eu/power-price",
    "serviceName": "eu-verify",
    "tags": [
      "energy",
      "electricity",
      "spot-price",
      "epex",
      "europe"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Wholesale day-ahead electricity prices in EUR/MWh per European bidding zone, from the Energy-Charts API (Fraunhofer ISE; data CC BY 4.0 from Bundesnetzagentur/SMARD). Query: ?bzn=DE-LU|FR|NL|ES|IT-NORTH|SE4... (44 zones), optional ISO window &start=2026-07-12&end=2026-07-13. Returns timestamped price points (15-min or hourly slots, max 288). 1h cache."
}

What the leaf hashes

{"body":"515d6a6cd3932ed73e8794aaccc232290df5b0b1e77cf051c7e3d61fa081ba74","id":73088,"kind":"listing","method":"baseline/1","observed_us":1793025487026594,"prev":null,"subject":"x402_bazaar:https://data.greeneris.io/v1/eu/power-price","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x431b309cf2ae573c78eaaf05130b35df4a7290f4b590defdb1a2ae0943507b17
2. 0x9d02825d94fe841610a948d1772ab90cbd663777407cfd00a018f50ad5658db3
3. 0xd9f26ef78a0a37975aaa010754da3fd11048b8a19fbb4dd86f5e335f9b2d8b6f
4. 0x47dda962c8322f5eee3712b2ace99760979ade6fb0ce946d4dbddc06be767dff
5. 0xb97a616049762b9de075654de4dd323c5936aa751d02ad6376c86efca782da67
6. 0x58c207faa1cb44bc4c6a7390b1986dbd86e3355b3f8ebaa7bd4319d286be1f61
7. 0x0fa3c01a8c715a0ad1326658dc4e49bf30dfcd57d2e13b24870535423cf698dc
8. 0x83ca7ec5c9ed033f2c8b4cce4792c8c4d09d4091a478e076eed38a15b09e29e0
9. 0xdfa6be3897c0a5c572468d1f3957aa47d15e60eb7d526c02bd70019cc0065563
10. 0xe51eded3c6d987da657485a61b7c2d0526ae91edd6ff00bcd8c57a597b1e7ae1
11. 0x5209b44231d259fd8508722a1ae64f1b73c7b7f19b456b1ecd950d5b281c35b6
12. 0x58f4330f9ac32da273a2a76d85bc0768d037638cddbd3d1f09d9b64094bfd942
13. 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae