Evidence row 2200120

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-extract-wg5z.onrender.com/v1/block/latest"
    ]
  ],
  "name": "x402-block",
  "owner_address": "0xea6c6d0361a758e51004fc5b0c31a3c6b2408858",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xea6c6d0361a758e51004fc5b0c31a3c6b2408858",
        "scheme": "exact"
      }
    ],
    "description": "Latest Base block number, hash, and timestamp in one machine-readable call. $0.002 USDC per call on Base.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "block_hash": "0xabc…",
              "block_number": 53028790,
              "chain": "base",
              "timestamp": 1793525996
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {},
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "block_hash": {
                      "type": "string"
                    },
                    "block_number": {
                      "type": "integer"
                    },
                    "chain": {
                      "enum": [
                        "base"
                      ],
                      "type": "string"
                    },
                    "timestamp": {
                      "description": "Unix seconds",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "block_number",
                    "block_hash",
                    "timestamp",
                    "chain"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T16:29:23.731Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T16:29:23.512Z"
    },
    "resource": "https://x402-extract-wg5z.onrender.com/v1/block/latest",
    "serviceName": "x402-block",
    "tags": [
      "blockchain",
      "base",
      "block-number",
      "evm",
      "ai-agents"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Latest Base block number, hash, and timestamp in one machine-readable call. $0.002 USDC per call on Base."
}

What the leaf hashes

{"body":"9a6744de59b002414ddde15838079a8fa2ee102fd2e2f68c4cd16ce826b6250e","id":2200120,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646795963584,"prev":null,"subject":"x402_bazaar:https://x402-extract-wg5z.onrender.com/v1/block/latest","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x63a30acc3fb86977c5f8b0249dc271a195af541425ede44d76c3ef3583f0484a
2. 0x21bf33b179d1018bc84cd01a6317b476ca00c5d0359761620a02286b0cb14037
3. 0x44196db8caa534fcced6ca69e042163181eeda940e4acef6ceb987e5b0115f66
4. 0xde999a5edc28607259feea4b6a02a7e90634fce9f13d0213c53aad70690ef6f7
5. 0x3f270064bbd13d3a6a0e82ce5c4dd2ea4db14c34a92f36aa5028216b21a55a66
6. 0x8af89045d92b44eaf22905f60f1c35ec00f078e77a23462747e5a9f9016f1b3a
7. 0x49c9f9c96dbd77a194cb6c419276b860509ac6b745397f0dd30d98bcbd86146b
8. 0x680c941f8074de292d13cf61793308d964fe3a59721ef30300e8f83a5679cddd
9. 0xd6bded103f4c9781fc6a3787516414b09bdaa4ac7436d8c6208f96dcc5b58800
10. 0x25fc80a23ce99a8bda87e468a3871a2d46ff80e412b5c24160b61f644cfd5429
11. 0xf81dc1310967bf542292c765db8667421bee570fbbd8edd052bd6c2646bdc377
12. 0xeaef14903698d949a2f8825a96ee470a4b81b85c938c299d424667f8cfdda5be
13. 0x43843187ed08d9e521651cb9dfff6531be94049b43e391bab5e05b93fc4383d3
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af