Evidence row 272211

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": "2026-10-26T18:12:18.854Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-12T07:05:20.721Z"
    },
    "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":"b1e49e4f4c2bd91f1aaa72dd830790da47a19a1a5dfcc2d9bd82b18f8c542826","id":272211,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793038788738266,"prev":71469,"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 2026-10-26 (296695 rows).

1. 0x4d5ce8ce1323c5d104d3d21beb6b15d29c94a2b969a2c0873b28893af26ae43d
2. 0x670744d2415ec29d6a86391574afc9f89e84bde932e29b41476073970573ee64
3. 0xf2beb747b6ca665d1cf7b4fcb5e9a4d4f2067508c657c3b12e07e919ad904317
4. 0xa3aa73bbeb1b8221fe8963febd411d41fd739096ff5f008b6a281b186122a853
5. 0xf81e1615de3ae9d91d21f3cf79ab2d40ddd0b9808cef892ad6dfc7870bdc96f8
6. 0x3d7c2baee2aff347b42bd58b8be7315e0b0a4f31091d05b10d89da45638be125
7. 0x2b57ec8e19f49589068b3e60e91f79227b9c65069b69c242a9ba67459a032479
8. 0x799f07231d972269e00dd0754e507b14770468ab8357ec229c70da77c66d9b7f
9. 0xbdf91263475abe0c60a5d597ec58006adb6dd8b96856f85f7d33dff273c9d605
10. 0x3964b657b861782aa5a33079a40c16e105428d017af356e7a7cb8cc02e82d7ec
11. 0xaa143d27804a7949a2b1598e5b8ab52f09ca62ad72136c2be3d24cdecb5d5be0
12. 0x9c16024747eaca32d09963ccb001059f75dcd9bb8dfc221e5234d54d2b3388d9
13. 0x1ffd24a0422348bb2305058cc138e276511e1c074bf8139af5b773941f0e5de2
14. 0x88e326a39b26e2c125306c9d3805d14398ace088bba9a2a0aa376b811cfb201a
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae