Evidence row 555380

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://138-197-15-135.sslip.io/v1/evm/block"
    ]
  ],
  "name": "138-197-15-135.sslip.io/v1/evm/block",
  "owner_address": "0x10741397e86340a4608c771a9b823038d762ea42",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x10741397e86340a4608C771a9B823038d762ea42",
        "scheme": "exact"
      }
    ],
    "description": "Block number, timestamp, hash, tx count, gas used/limit and base fee for the latest (or given) block on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base",
              "number": ""
            },
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": "0.01",
              "chain": "base",
              "gasLimit": "1",
              "gasUsed": "1",
              "hash": "0x…",
              "iso": "2026-01-01T00:00:00.000Z",
              "number": 1,
              "timestamp": 1700000000,
              "txCount": 100
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "chain": {
                      "description": "Chain: base (default), ethereum, arbitrum, optimism",
                      "type": "string"
                    },
                    "number": {
                      "description": "Block number (default latest)",
                      "type": "string"
                    }
                  },
                  "required": [],
                  "type": "object"
                }
              },
              "required": [
                "queryParams"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T16:56:37.54Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T16:56:36.779Z"
    },
    "resource": "https://138-197-15-135.sslip.io/v1/evm/block",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Block number, timestamp, hash, tx count, gas used/limit and base fee for the latest (or given) block on Base, Ethereum, Arbitrum or Optimism. Deterministic, no LLM."
}

What the leaf hashes

{"body":"bda11bbd74ac20308e84113e7d701a675920674d0fe0e92f9ec44c13f49b471c","id":555380,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133790037664,"prev":null,"subject":"x402_bazaar:https://138-197-15-135.sslip.io/v1/evm/block","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. 0x82cf6c41c28d5301d6ee0f2bed014f6b9f1c177f498a7c31d2df44e0faecc0d3
2. 0x5f3fc662eeaa0b72aaf58243b4d9b6a0a93abd34c94b496c28a2649126647b72
3. 0x70c3e7779e04f0fd107d3afe53cd5883f3a196e66a93cfb5d81fd12bc5df39a5
4. 0x8ecd2febd1863d6d7420e47e3e374764bdd5a9ab4e11cc0bcd53ee8b85ef0ea4
5. 0x67249711283072f9c50c0e0bed4ab5b29af10ebe7605917da942b3852e7fdfe0
6. 0x84abe6d14810038d727b0d6c4bd7358336046930e3d0f7a71fffe76be73c7ad3
7. 0xcc5cbb2ee78477d3dc2fece9ff56d1a2bfff0f7db81215c0cb9e6b8617432603
8. 0x2fdaa24f8d36969fdf02a688da06ace4e94b1be7db3557cf0e8576fa6bf88e10
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