Evidence row 548625

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://zaref.dev/v1/crypto-prices"
    ]
  ],
  "name": "zaref.dev/v1/crypto-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 Crypto ZAR prices (live): Live ZAR crypto prices from VALR's public market data: last traded, bid/ask, 24-hour high/low/volume and daily change for BTC, ETH and every other ZAR pair on the exchange. Live from VALR's public market data.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "pairs": "BTCZAR,ETHZAR"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "pairs": {
                "BTCZAR": {
                  "ask_zar": 1037133,
                  "bid_zar": 1036875,
                  "change_from_previous_percent": -0.07,
                  "last_zar": 1036756
                }
              },
              "series": "crypto-prices"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "pairs": {
                      "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": "2026-10-27T09:56:49.01Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-27T09:56:48.035Z"
    },
    "resource": "https://zaref.dev/v1/crypto-prices",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "South African Crypto ZAR prices (live): Live ZAR crypto prices from VALR's public market data: last traded, bid/ask, 24-hour high/low/volume and daily change for BTC, ETH and every other ZAR pair on the exchange. Live from VALR's public market data."
}

What the leaf hashes

{"body":"e0beaab11b38745431cdf2ee0367318e0c76ad5b0021d7052dd4c6c82098dfbc","id":548625,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133318782610,"prev":453390,"subject":"x402_bazaar:https://zaref.dev/v1/crypto-prices","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xefb1866dccf9c9452fc14bc6805102b6d0df9b24f51f92496bef3b225e57c756
2. 0x6b6cd21e9be19fb21e5692bd092a41b56352b5e076efd76124f04681e85a620b
3. 0x189c138465f2e1b56b7162cd997c4ab6823c6e15146cae67966880d50cab05f5
4. 0x6518c2aa378c7ad13ce747b770b438e48c640e37279b3cabd856daa77f25ea06
5. 0x6d7fd8bbda1b65f3eda977e7ea220cbca03a8a6ce34d4899cc54e838e78c8ef2
6. 0xe826792f300e6d670d6d3797db9d4e78397dbba1422c2358e91f13ac04670a92
7. 0xfac70868864a5b1eabf5489adb15b70ab0bbf70ddc6d97e006dfd4cd1473c592
8. 0xc8305fea08c535f313f6063dfb165b3f8dfbda580dd480d5c655e2bad86dc27e
9. 0xc7a20448f63fbe71576328110f2ed6b6d5cba61c2f22ec94ff48d324a28af7f0
10. 0xc9f6fb967a68ca1e3059a2a798e048f3aaf0e2abb6ec89d118a0d5a71fd29c13
11. 0xfc581fd63fedfc1ebada8acb9d8afcfc2eff628470941f629f6e99f5ede11e36
12. 0x8b1294df8f40a2bb6ff0bafdf2505700af24dfe2985fb999b2353f4c85cb56ba
13. 0xe0ddf3e1c8349b7fe55d4b2a6864486a77de3e3c0e371df44d69aeb837cfd79c
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4