Evidence row 60680

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://a-upgradenet.com/x402/base-block"
    ]
  ],
  "name": "a-un",
  "owner_address": "0xbdae34e121dff6da6fbb71208322e8be0a923512",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "eip3009",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 900,
        "network": "eip155:8453",
        "payTo": "0xBdae34e121dFf6Da6fbB71208322E8BE0A923512",
        "scheme": "exact"
      }
    ],
    "description": "Base Latest Block: current Base mainnet block number, timestamp, base fee and gas used. $0.001 per call.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {},
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "base_fee_gwei": "0.004",
              "block_number": "21000000",
              "chain": "base",
              "chain_id": 8453,
              "gas_used": "12000000",
              "iso_time": "2026-10-13T00:00:00.000Z",
              "status": "completed",
              "timestamp": 1760000000,
              "tx_count": 180
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {},
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T21:57:07.56Z",
    "quality": {
      "l30DaysTotalCalls": 9,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-25T21:57:07.328Z"
    },
    "resource": "https://a-upgradenet.com/x402/base-block",
    "serviceName": "a-un",
    "tags": [
      "base",
      "blockchain",
      "block",
      "onchain",
      "rpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base Latest Block: current Base mainnet block number, timestamp, base fee and gas used. $0.001 per call."
}

What the leaf hashes

{"body":"1ae27282a68f8fac13e949afe2831a831e7a702ab496cecffeeca2a3198304ff","id":60680,"kind":"listing","method":"baseline/1","observed_us":1793025449165200,"prev":null,"subject":"x402_bazaar:https://a-upgradenet.com/x402/base-block","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xe39c8e9f7a92d2f38fd6afbb0504db1997989d9a1885636545fc0bc9ecc2ce16
2. 0x12170440b97680de1d856753231078dfb44b389345ddbef1a8e62a8f456b66db
3. 0x7136c1872d6cf4e567d2702f15906b1e7a512b691ca01e9cd9c3957d261ee04a
4. 0x65bbc28059eaaf01dcc66a64e40e057da3b6257d351e3d06130bf72b1e11d4f3
5. 0xd993efc136a61dcb0b709187b021000d4aaadb398035bc3a346a0479cd9f3c64
6. 0x921ad7b0d39627d9687528fcd073af698fbf93a36c7a5e522c73a5749ba312df
7. 0x6e55659d97b93531f92f02e15b9ad4fd1d26446e008ce3de96268195ac61fab3
8. 0x0ac5d1b4059f21bd06f17a02a4a9ea85c4f9e8ecff9d24aea26fec223dd62e09
9. 0xd64a1531ed43b02a67d87d21ecef0bc1c12b2445722979b0bc983e2c2082ca37
10. 0x249b79bed19d1f9d60c6d935894d3c7f842961834c52c966852cddf05d69629d
11. 0xb545b804be0d2933a674be6ac915c6c6235897d0274e66143aa7cf879b9d86a3
12. 0x8e135936797442c4eea61915f2c9f8f6df06e1322204cd0e6986ada3e54c77cc
13. 0xc0924a0807e534382f518663123231c317124338831a2b310de2c17b09677086
14. 0x9bc5fc98278b9f6dc18c66c6e162aefd5244be03170d41bc5161f58ad11beed7
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae