Evidence row 456356

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://zaref.dev/v1/changes"
    ]
  ],
  "name": "zaref.dev/v1/changes",
  "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": "Which South African reference series changed or were reconfirmed since a given date. The cheap cache-freshness check for agents. Optional param: since=YYYY-MM-DD (defaults to the last 30 days).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "since": "2026-06-01"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "since": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T09:56:47.232Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-10T07:21:39.196Z"
    },
    "resource": "https://zaref.dev/v1/changes",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Which South African reference series changed or were reconfirmed since a given date. The cheap cache-freshness check for agents. Optional param: since=YYYY-MM-DD (defaults to the last 30 days)."
}

What the leaf hashes

{"body":"7cb9b49e3267d6156decb5d3948e3b04b55194bf5862825fb1d8e1c022cb21ac","id":456356,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100953266078,"prev":127220,"subject":"x402_bazaar:https://zaref.dev/v1/changes","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. 0x237b4d8df9a55722bf68c2602a9ee45bb110656afafc39ecf6d1d42f1ea31fdf
2. 0xeec3c9725775a6a30d967c99ee91d42e864d062a05ac451d148592962a8461e9
3. 0x2c20a08efeecb3645ece583320a3137d2a0bfbbaf7c9e3971e3b23ca5b96515b
4. 0x0dde7a327aff8e2e0c51782e8ce1b177efa0c424f70213c83989096fd168f6ae
5. 0xfc20bbf908beb0c7174f751de2bfc346ae2c1ad2bf0683fc28a2f913e86747d8
6. 0x21bf9f3545cf7a81fce9d5057a13f963d6b34d61a628bd14e9e8ff5fa9a5ac81
7. 0x3164ca1986cfb2fa212088990f6db62417c4f5b79513a54294cc8cc77adb693e
8. 0x09a9396a75cb373c410d03c9b633db4f4f6bc1bd36dd7b615d02a8e92950b590
9. 0x7aceb9f9e191e33d7d356c3853c4f2f067b2af054ebaf29116e1f95d769a43ff
10. 0xe68dfeb8687e7a72eb078e3120558cc918d7671cbf9c7265556dfd784745f834
11. 0x111fd232396ead40450b60675620e12353358cd4516d410bf17aab840d3d4c3f
12. 0x1e91fb86942396b9cc1330407cbddfe6048e98bde8c739e6cb5545d04c5cadd7
13. 0x1a710d4f8e6092d584b581d8599ff9183c0008f9275cf0601c925b43b4e84ae6
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4