Evidence row 127222

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://zaref.dev/v1/fuel-prices"
    ]
  ],
  "name": "zaref.dev/v1/fuel-prices",
  "owner_address": "0x6382e6929a20b7eb02bdacfb5368362984b24c15",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6382E6929A20B7Eb02BdACfb5368362984B24C15",
        "scheme": "exact"
      }
    ],
    "description": "South African Fuel prices (Current SA retail/wholesale fuel prices: petrol 93/95 (inland & coastal), diesel 50ppm, illuminating paraffin. Rand per litre.) Clean cited JSON with official source URL, effective date and freshness flag.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": "current values with citations",
              "effective_date": "2026-10-07",
              "series": "fuel-prices",
              "source_url": "https://www.dmpr.gov.za/Services/Petroleum-Resources/Fuel-Prices",
              "stale": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "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": "2026-10-22T21:40:02.545Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-22T21:40:01.585Z"
    },
    "resource": "https://zaref.dev/v1/fuel-prices",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "South African Fuel prices (Current SA retail/wholesale fuel prices: petrol 93/95 (inland & coastal), diesel 50ppm, illuminating paraffin. Rand per litre.) Clean cited JSON with official source URL, effective date and freshness flag."
}

What the leaf hashes

{"body":"d39be37fe97580fcab76a4baea6b02cae1a7ecefe85f6051caae7bd5f55e633b","id":127222,"kind":"listing","method":"baseline/1","observed_us":1793025637714433,"prev":null,"subject":"x402_bazaar:https://zaref.dev/v1/fuel-prices","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. 0xec866086ae92a6f1483f9a55de18cd884c1f91ae8e913db96e0f61c1f7406ea7
2. 0x531e65fdc2da715cb4eb804427224364a2a22f495e15acaf90168dc341006a08
3. 0xf0b804d6973dd94a88bca49214b83b45aba8d121a806b7f4e7a7a875998831e3
4. 0xeed98d97e720e65b195b023b022a7d43a363c41de09f4075ea463134ae77c15b
5. 0xa8339869fe39ea2828ed01e7c1fa69b91f8b1a68e93521fcf4bb9763abb5fb7d
6. 0xa47af8ecc74864c7805f74919440a4df1d86371323689399f42162802bf901e2
7. 0xe64fef4f8944b8961391666ecd2e07a5682680d5b83cc704a00a8daec26a963a
8. 0x1a638f8fdca07d242d4db5d1b49d24c541f4368323f2250301a9c883854aba4e
9. 0xa42a2a14d6064a60a844b8d5a324466c750c253b0e66b5d751b4b101ad91e766
10. 0xbd0fe1f0b167ff665b9719ad8dc002f05cde40b88825cbbc513241eb8e47063c
11. 0x94e3a06f6e015a8e8a8a7e2c73991edf3f9ceb9ff83b85412d31c39f3e9bc8c1
12. 0x4bac6365a3676c613d57c80f4d4f617e583205074db24f3dec4d2ed4939a26e6
13. 0xec98ca25cb12ffed7c3e1373971719ce414ee6deecd1e7724b2979e2c356d99f
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae