Evidence row 1039530

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mintintel.35-171-220-195.sslip.io/v1/base/block/:block"
    ]
  ],
  "name": "Mint Intel: Base chain data",
  "owner_address": "0xd5f3a78ab272eb36a997f4aa249b876bdb9692e3",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0xd5f3A78AB272Eb36a997f4aA249b876BDB9692E3",
        "scheme": "exact"
      }
    ],
    "description": "Base block header by number, hex or tag (latest / finalized / safe) via eth_getBlockByNumber - hash, parent, timestamp and age, fee recipient, gas used/limit and utilization, base fee, tx count and the first 25 tx hashes. Future block -> 404, not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "block": "53238128"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "baseFeeGwei": "0.005",
              "chain": "base",
              "chainId": 8453,
              "hash": "0x65e918efa0de8e22db18f207ee92a6f904216039f5730bf095d2044319df9f6b",
              "network": "Base",
              "number": 53238128,
              "time": "2026-10-29T09:20:03.000Z",
              "txCount": 299,
              "utilizationPct": 14.49
            },
            "type": "json"
          }
        },
        "routeTemplate": "/v1/base/block/:block",
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "additionalProperties": false,
                  "properties": {
                    "block": {
                      "description": "block number (decimal or 0x hex), latest, finalized or safe",
                      "type": "string"
                    }
                  },
                  "required": [
                    "block"
                  ],
                  "type": "object"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "hash": {
                      "type": "string"
                    },
                    "number": {
                      "type": "integer"
                    },
                    "txCount": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "number",
                    "hash",
                    "txCount"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-29T10:23:46.697Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-29T10:23:46.61Z"
    },
    "resource": "https://mintintel.35-171-220-195.sslip.io/v1/base/block/:block",
    "serviceName": "Mint Intel: Base chain data",
    "tags": [
      "base",
      "evm",
      "erc20",
      "onchain-data",
      "rpc"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Base block header by number, hex or tag (latest / finalized / safe) via eth_getBlockByNumber - hash, parent, timestamp and age, fee recipient, gas used/limit and utilization, base fee, tx count and the first 25 tx hashes. Future block -> 404, not charged."
}

What the leaf hashes

{"body":"8d6e677c4386f27189cbc03b89bed7952f9e2028875acdbeed12f8a4f22deef7","id":1039530,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793298442476461,"prev":null,"subject":"x402_bazaar:https://mintintel.35-171-220-195.sslip.io/v1/base/block/:block","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0xc3ec9402cb54bedacb8a48320af91d6f35786bda5744cf9a162abbd3d7797faa
2. 0x2a1cafb69ab6ddf0aa379eeb6b541a86e17410238ab27f432527a9a3046f6181
3. 0xc3b230d6893dc57c8d49d71433a8501ffa2842c1b90eb63aae9d1c580d842c6c
4. 0xe0a1b0b924bbf90757a06d9f39e394363281bf292f87679aa4a0434cd0de83ff
5. 0x2632d44bd662bc46a592f751f19eaf99ac9da139bb981ffd3ae3c874e321e96f
6. 0x5267450800dc1aa0e3e3a50468f137ad8e8ccf69e6c0b7ce4e95cd31df36e97a
7. 0x7da7a7b91fee9b61f9b52e4805765df9c335fcb115c31c6c13733d343aaf90fa
8. 0x23d83b0540c644d8ace2ec8d1f36a6da8de5eaaf3c2ec9bb1fca0efbac951bb5
9. 0x0891e94d97392b9021e2988261434451cbfce1198414b016d5b71f11bb74a5ba
10. 0x3f36751974c641fb10708909744d6372e3a15de2b4d24568a1f0e79ad993fa6a
11. 0x809e25b2f4a9926998f718d6924a34c64952667689be804304b90d3bf876b9c1
12. 0x5cb842fc8ebd71381fe19a8881791924e752bffd68551649b2c4cbd8b2e7acfb
13. 0x82acf0ab79b727689a8862d5f40ebc054bfa26bd74148138aeb5de693084058a
14. 0x104600713bd70fcbdf137fa07f8136bb6c252c890776bc7cbd7b194271f8b93a
15. 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1