Evidence row 579528

What was observed

{
  "count": 3,
  "tools": [
    {
      "description": "List bounded x402-paid workers, exact USDC prices, schemas, limits, and endpoints. This tool is free.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_diem_workers"
    },
    {
      "description": "Validate worker selection and return the exact HTTP request shape. Execute it with an x402-capable client or through the CDP Bazaar MCP server; this server never receives wallet private keys.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "input": {
            "additionalProperties": {},
            "propertyNames": {
              "type": "string"
            },
            "type": "object"
          },
          "worker": {
            "enum": [
              "extract_text_to_json",
              "classify_text",
              "summarize_text",
              "text_to_speech",
              "generate_draft_image",
              "transcribe_audio"
            ],
            "type": "string"
          }
        },
        "required": [
          "worker",
          "input"
        ],
        "type": "object"
      },
      "name": "prepare_diem_worker_call"
    },
    {
      "description": "Return a free exact-price x402 USDC quote for one worker.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "worker": {
            "enum": [
              "extract_text_to_json",
              "classify_text",
              "summarize_text",
              "text_to_speech",
              "generate_draft_image",
              "transcribe_audio"
            ],
            "type": "string"
          }
        },
        "required": [
          "worker"
        ],
        "type": "object"
      },
      "name": "quote_diem_worker"
    }
  ]
}

What the leaf hashes

{"body":"817903fe766b5e309f7c39e6b71c1dc9da8935db173b3c46031d0628537ebcf6","id":579528,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793143475441989,"prev":null,"subject":"8a85dc78-fb6b-4880-bfa3-9160d4c25bf0","subject_kind":"endpoint"}

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. 0x5f8950fe146834ee290af263eab1a343f504f36e8d5a6a62c9cfe20aebaeaae7
2. 0x688c57412248a38f6fd87d8d4b1038595b0bb34892024d49bf03bbb2aba8eb5d
3. 0xf5c13593e2c7ecb04329e46ec07312658961222ddf8b102a04a04b0d9425ca73
4. 0x34600891747e13ba115c2befebbaf550a9f302d64003595451fa998948dbc51d
5. 0x73f248debbc1debc9ba03d654d30c6aad2f8e97436719977ea695af201d24081
6. 0x1724f913f6a03056e5bcac21053ca3f3c04c2820bbc6fdaf64290a71a9b742d7
7. 0x9687558c6c7aec96734723532133b03d93a131d67fdadd6fe242d7565e9c2f89
8. 0xc12676cd67024e5e2fee87fe72f1b17a1be6905003c28e4770d14dea252a2802
9. 0xbd43991139986768a67881c85597d8d0c0e98ff86e6e974aad4147a9ea48868a
10. 0xaa211c9450153c1d4dd2f2bd912916f48dfaf8b952559a0383b15299b3c2769f
11. 0x74ff1b0e343b6fe9786dd7c0364da48ae1e430f4db2b361519658a26bf0c92ac
12. 0x4c8fa606175c9cb1c3e3bd96088308174f83b262a092ba5ff94c58839714ede9
13. 0xeaf6b21867367f85a965f982b6593c42eafe4fdf74e94b675523a6478de49a54
14. 0x4277e02be0b5d91d78bc2247e37d402572474ba896c2e8f45765c8dc4e244d36
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4