Evidence row 574659

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Get population on 1 January by country code and year",
      "inputSchema": {
        "properties": {
          "geo": {
            "title": "Geo",
            "type": "string"
          },
          "year": {
            "title": "Year",
            "type": "string"
          }
        },
        "required": [
          "geo",
          "year"
        ],
        "title": "get_populationArguments",
        "type": "object"
      },
      "name": "get_population"
    }
  ]
}

What the leaf hashes

{"body":"9695134563d5c8448136c96d515161b4b83444053dc6c5e9a071cb86888974ba","id":574659,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793141603031489,"prev":null,"subject":"420816e8-bf9c-494e-a00c-4ea23e21a890","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. 0xd25015d1a143a249c3fb7e697467e6e2d5f1c83b39be189765c0c9fd3287a3d1
2. 0x741dc3229c79921ac78131493c37d3eff1bfa849b14ff9c1206795e49127f8e6
3. 0xea0d6648586eacc4d1626b4091ccf01c8abf670e320cfe5bf398bfd4a2747b84
4. 0xc49e99fd3403f85d683100296bd170229c2f5cfffe60f18eaad6cd6cb680a4f8
5. 0xfabac47f3edb16372a146b12f53a547da80298ff42a1e70159b3ffe97ed72bd6
6. 0x62cc24ed48f7eb1865bbd5661f3d36b2c22d779fc26f3dafe7b77e256ec657a6
7. 0xeea556ac3683ea5d483b3582999d520710bd333bced34384aefc3d9784411697
8. 0x4def38090d0ff2bb590f44cfceb83301726342b4829819f53f0b183975c8ba14
9. 0xd543725d8c54258de2d5097dfdc1f4a825897fc63c8b4d12ac1933020845f3d1
10. 0x63fab591f55ad00bc0e680f7d7ae749a4bf51899db148b9197a165bd355e1eb9
11. 0x621d4dbcfb70ab294046951fe2837a8b39f75c67fac3f911dfa479f7fb2b5b53
12. 0x171aeb7198e4c29bd794c75ee3b02f70c21f3caa4365d2b304c00b891f1bbc94
13. 0xc66f83a1320fe7c1faf22674eeeb7fae22ecd2f0b102d9619a484291f2ce104a
14. 0x8f676edfb4faaa290229d8f4f69ab721fc627424463d62f5146b3d1ca7f2f0c6
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4