Evidence row 548359

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://basefeed-io.fly.dev/v1/ping"
    ]
  ],
  "name": "basefeed",
  "owner_address": "0xefc3f6ba8a706af67162ebab84fc2d09fa73360e",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xEfc3f6Ba8A706af67162ebaB84Fc2d09fA73360E",
        "scheme": "exact"
      }
    ],
    "description": "x402 settlement test",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "type": "http"
          },
          "output": {
            "example": {
              "ok": true,
              "pong": true,
              "tier": "A"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "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": "2026-10-27T10:04:08.13Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-27T10:04:07.926Z"
    },
    "resource": "https://basefeed-io.fly.dev/v1/ping",
    "serviceName": "basefeed",
    "tags": [
      "base",
      "usdc",
      "x402",
      "feed"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "x402 settlement test"
}

What the leaf hashes

{"body":"03de1627355557c091e983a6f6935826e89c01d103209cee6abb79787f3ca81b","id":548359,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133295909693,"prev":453298,"subject":"x402_bazaar:https://basefeed-io.fly.dev/v1/ping","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. 0x82f7278b99c851bdac02c57837227f436acca235b632e39d26beeabe803216bf
2. 0x053ed024325d874b031b949e396f7fa38acebed6dc2449c88d847ffa5f066ac8
3. 0xb2f4b396cb316bb398ba33bda527799f67ca2c1277ef7851bf000de41c25e441
4. 0xf0cb9ee3001a373cc0bd0e2b5de7b9dec531c86009151fb4bfe8d8a17695ba50
5. 0xf23f0480f08affc0fe4cbb33d84cdd718890a3c410f678031fb7e5a9a9565335
6. 0x4308dcb11688b88d1c1212b324955f428f191a1da94f3546dbf3600d84c595fb
7. 0x67dd002b763fd78b390f5a7a75d1601444ce9cf2de586e583799ca5c414001be
8. 0x6f74280c17432b6b64d5aa94a1cf0ef30b3af07a60adfe45798eefe381b3b88c
9. 0x3e6eaedf4d9d61293827dde0ddf3d92133de9d72ad0d119c1a249170fceaf5ee
10. 0x9368aeeea92a5b7727b76a64fa19e2daf90ffeaa9c3f4d373471447448b8b5f6
11. 0x164039927a75bda6275a106556896901626c20428ab1c29de73c4cd508bb0969
12. 0x4cf7b6120bfa84e107b8f1b7be613b553fa250042dc0db95890566416a94d682
13. 0xe38e66e8bf48306ee42504c4df50c2052cc9230af02e2ae6ff66da20232bf797
14. 0xfa0c8e8f1a1710ff197533b0a28208f2e168afe71abb7bb3416e09d1ac371d60
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4