Evidence row 751354

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": "2026-10-28T05:19:31.36Z",
    "quality": {
      "l30DaysTotalCalls": 11,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-28T05:19:30.43Z"
    },
    "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":"d3386f0c513ce39f48b85b60c84cd731639a8088aea9ebe08802657bab7e65c2","id":751354,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793178748398302,"prev":527702,"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 2026-10-28 (231336 rows).

1. 0xbb64e878e9d1a22bd69aab95bc73cadc1ed5f07aea5a5edd101448218c0db5a1
2. 0xda53575f68ef31be49a277f153e6487d83bceccaa8806d5682201c23decf6df7
3. 0xeebb741e8d533a6a1cb1625d1e44e1e3c007061cc42c5705879ec8bec7904fe9
4. 0x015a1d44a3135d91881fdda96c948841be8d0bf3cbe8f336562571e464078c8a
5. 0x88f5963e88b72957b1a6e1ef5486ef6fbd2bbe98f4531bf99134ebe48f002640
6. 0x85b8761c4791a33bdfb7d05c0cb487bf6a0d544b55507e92feb3f41419a9fbd5
7. 0x47909e8d0688743a7a3a9ea5bf82b68f3373b97a55fed95d3f6a22c746eedbd2
8. 0x8c4adad4d426075f8f53c864f97b339d97fee0ccff033a7de78564bdbbbac705
9. 0xe2c5b730f911de7e75b002e3d2f8bf0b8afdf07a1c2d30a9adc2b88fc96a9434
10. 0xe5e4c18378357d6987f279d18d8decf54eb19b58dfb830805db225f5ac77660f
11. 0xdc17d09d616964f6d4ff09478ef10d80d1749cd342c52a13a766eb0e24872a7d
12. 0xa42249b090ae432aa9ec0f4e12cf99fad33a8413dd4f3af6b68755cb14247205
13. 0x744c716c853a3362037fdca13f258e5f46e796ddc212d5fca6bed32d9a3b234a
14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae