Evidence row 2199477

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://energy.halowerk.com/price/negative-forecast"
    ]
  ],
  "name": "HALOWERK Energy",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "decimals": 6,
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Stunden mit negativen Strompreisen in den nächsten 24 Stunden.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "count": 0,
              "negative_hours": []
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T14:58:40.27Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T14:58:39.964Z"
    },
    "resource": "https://energy.halowerk.com/price/negative-forecast",
    "serviceName": "HALOWERK Energy",
    "tags": [
      "compute-scheduling",
      "depin-workloads",
      "carbon-aware-compute",
      "battery-dispatch",
      "power-trading"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Stunden mit negativen Strompreisen in den nächsten 24 Stunden."
}

What the leaf hashes

{"body":"d0fc5c3a9d59e82da3c61296acb29c25561e14ef0a45df9ff81dd02ebdd4b460","id":2199477,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646771648729,"prev":null,"subject":"x402_bazaar:https://energy.halowerk.com/price/negative-forecast","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x7125c1d80f8e68d1bb33f7c2c51a7582068dde246c76a720cdc02c2df9f5d667
2. 0x751862dcd624382c91ccbd8944f544eb53dc27bcd7debb24fe8b6bcde225ff99
3. 0xbf44844301899ae7d2139dd21cf07096e63c9bafb2b528127744c9824105a350
4. 0x6d038a05d0b58c8109138326611b0154f92f592c9225ca70456a5fc750459d19
5. 0x8ca3d6d7ef6d2d5650f6eb230f7394ba67a1aecc1e9ec92f88a65168c9edd5db
6. 0x5a4bc62540c84147de99c8f8e61fe9312a24e9f99ebbc4705598d081cdae6fac
7. 0xc3bb643ffec438a02ac49b81e0cf53db6a243842e63930e368a97f955fe0d0a4
8. 0x22829871a1b158f33b8ccb80c4d660b51c8d47c1fbef110a9cb1e4535dfe6fdf
9. 0x885f7d11f9bb5ec077bb50f240b41f699d19341b7d34620acc8b5d24ecee1082
10. 0x7c1de1bb5b4013fa26b699d1fa17d976e67143e1d6ba40aa7114e6b99b41436a
11. 0xd50e5599c9facbec567be13b1c90ccea10feb33fd958ff11819cc8b96c3f6283
12. 0x8b50ca6f83f92f047eee3f24720b579f3fc640c6f076688895cd4ff049787414
13. 0x5b336d18729d4068a892dd1e69a1bcd181b14c9ee7673f058f47ad6722014ff9
14. 0x05ad6b5d39c05b20c421cfd08a369494609a679562a35de106ddfc5164e8f853
15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af