Evidence row 127220

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": "2026-10-10T07:21:40.06Z",
    "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":"3bca8ab2fba4c399bad45cd4b3e86a1d6436001f46c373f3bcc9748f694411ae","id":127220,"kind":"listing","method":"baseline/1","observed_us":1793025637712697,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x47187464b103ca5b2ba4ca50937dc85cf2492a3ab2a280d72cd7d8c6beb9a83e
2. 0x7dc4c6ebff5ed018203929ff79fba1ccf3d8fab318db324282629b24754643b0
3. 0x3b306de00081153e2f1bc367b52cd3c8b15c2b9b5ae06e22be4386d953716db8
4. 0x4d1f667beea4be1f0d50eae426d19567342d7675ecd96bee7ab309a362b69b06
5. 0xc04b42dc22f9b33f57b8d64a4176d8bc9fb796b20c14f3ca0fecc1c650977a42
6. 0xe2f20d3442c9a631f6a35d76e4b04fdddf0ed7bf65c7c1d42bd18ec41b411228
7. 0xd844e9b609c60f502954397401dcde303afe77240b1e80deae1e480e17f33f52
8. 0xf60634bbc95f2e97f6b955295d3fc3a0f512f360c94e351f77f0ba3d73f52030
9. 0x297b4a097b146fa0d7ae73232b4e07a3307605adf919e8fd398fbc647ab2bd3b
10. 0xa42a7426289fd9f8743f53fc2566b0c9eebb23ae577bd4a3cab7b4c80cd7e5a2
11. 0x263cc8bcddc70acc00ef06b84397a006a822410dc2b18b714a0be72a820c5b17
12. 0xae3550e71ca4b0f0b86c9905b234388d6bc01a22e52324fb1ee62a553273a1fe
13. 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae