Evidence row 2158519

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Fetch Open Graph / meta metadata for a public URL. Costs $0.01 USDC on Base.",
      "inputSchema": {
        "properties": {
          "url": {
            "title": "Url",
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "title": "preview_urlArguments",
        "type": "object"
      },
      "name": "preview_url"
    }
  ]
}

What the leaf hashes

{"body":"61f4fe60b101bb218ed98134e0fc8d746e2020a0d51e602d2ff8608c2cb3734a","id":2158519,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793630941249252,"prev":null,"subject":"4332801b-d5a8-49de-89c9-d58247cd7a7e","subject_kind":"endpoint"}

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. 0x60b11251d8c2c4dfc97b31071befc52814f804c57b13d9a7c4b2c296b36a18d0
2. 0x4ee5de00072bf8ead6e99c1be797cb44be1005fa5024319bf801b0253583ccbe
3. 0x16f950fabef9b6f132e7968fa6a116d019e70b1129d79409b26e7b8f7ef1d6d8
4. 0xeddb148f2ba7fe90ff7bfb254ce16831a746603d81e869fe017f37ba0180050e
5. 0x5f3307ef2e5f178757008c7bdddb49c29a653ed2a931648b56ce81f3a6471cb6
6. 0xf4dc20599e09fb818f25246c6cb9ac477ce75349aedd733c3361af23e963ad8b
7. 0xe857edfe3880e767387e9358083a2e53a5262cce42e5a424fe173b365bb215a3
8. 0x083a0118f2ea5f6e914e7d7f6856c5eb5d9258d111ea3d526cd6c03958ddb715
9. 0xdad11635598b8436424e715eb22cf544a03bd8aeb9f530318005572881170d9c
10. 0xe8940bdceb2fe6ae432c5721781d0a3667891e3d848877457de1072fa341fa7f
11. 0xabd9ea0ed6034fe9ec9a545a2cc7ead795c4ef93ad26f3922ec6093f62aaf439
12. 0x6b4875590ee8954f5315611ea1c32c35ce609ce69cc5cd56dab438a799f4f825
13. 0xfcf5d9c790c40588489c41a23736feba4efc9e83eda3317c30f53a98ce8d1d89
14. 0x6ae97c2bdc679e3326a739627f6c3a307d7e25e547b9bf23dbf2622fb26d858e
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af