Evidence row 453298

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": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-26T18:12:18.642Z"
    },
    "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":"bb3223e7c99187e93a661ee7b0243f794d6a9e69b04afbd4c9fcacca7c09d369","id":453298,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100620333573,"prev":279644,"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. 0x5143bcaa8fd1966890230f57ec7b7907315576bdeb851990e5abe2aef3a2345b
2. 0x89b9aeabe8d8ac69cef8c47756d5b6d5963aa4f16fb220201a540f9ca49ac48a
3. 0x8261f624887c180ceab4d045fc07c27889ea8cf2bd7f800b427a5f4d993233ff
4. 0xa4addc2b6450bc4d8e6aa3056cea14f8ef3820349a908f62633b476f9c8b5939
5. 0x6d31851d5024fcf2647392bcd49079c9d6f6063f26eb1642c6cbcb200b742c9e
6. 0xb9c58981cdc4263fb808659999eb2d96b7f46fcec04289d6d1d85056e30d6ce4
7. 0x63cc986531c0a229e07d857f5b41bc0bdd234b8b2b1fdf506c2fecc73867743e
8. 0xc8fd75486b586ffb778c2776e57735932f761ebf6d6446ee1395e014b17dc265
9. 0x08b21db1f1792d482d6fbf634772c168b831afd80d57a366c39b73629c297b85
10. 0xcbeba32b7adac6e284b211a5a8bbb881f17fa8904e1f96699c5a49a810ca0cb3
11. 0x81645620171c2c6f27f7bd62ae903898bfa58255299711c41ce1c3f4e4618954
12. 0xd57b5a86cf210d9ed4e220de5668cf59c88f82934bf7c8ef9e6b3e894577973c
13. 0x996f3d89f9508378f3c194c9828b500725dd599c52fd040349190982338d96f2
14. 0x9ea0c6a53f80a30b6f13671109f98a000cf98e581875129f4be4b57131d06364
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4