Evidence row 555266

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": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T09:56:46.312Z"
    },
    "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":"7f7dd02f37881b7c98a2e33420cff1d89948700e17a773958586334bb34d703c","id":555266,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133785131882,"prev":456356,"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. 0xd08ee09c03625a5a838f2ac120055bb21587cab8f819fabb3e2666ad6a97d1e0
2. 0xbe81b7cc933ab0a7a3ba0f2a9d6445da5f5a12868450aa693938d041852ab91a
3. 0xebf863eff39ced1186003dc9584c99a35c5282f06944f6d613da1bc7ba43e0eb
4. 0x7abcf96b854b309bbb27476ab783984d2d599c1fa7aa4da746843b2f6f932e74
5. 0x2fd7fa65415acb316864f394cf6eaa53ab63987e1f0da48fffc31e518244bd56
6. 0xc7fc2c23d5ffee3bb05b9c4882447456cf77bcafd35d634a9276f0e3182646b2
7. 0x80db60ed3aaeb5d35b028b7d56a42587b90fdd445dcb9353162d12d542c56b7a
8. 0x895e97f872e83f414e5c82cef6fbade56619f82f6ac84130593c5f65304faadc
9. 0xb1d2dc51a0d6fb7b688e7610773c15405a785e25c636d4cd8eb2d4fa00b26994
10. 0x1ed8a6eb79cc77f80eb2fa062d07fd195f60a66626598ee82d10d3334b8aa461
11. 0x4b1aadf42648925230bfb44b27bd502af3645508661ab5ac15765dd2ba24b33e
12. 0x38b115338d9e861f29b2feec4763340cc61f27fc2c2bbe5bf04934e95e485c6c
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4