Evidence row 520609

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "List the data sources available through the search_dataville tool.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {},
        "type": "object"
      },
      "name": "list_dataville_sources"
    },
    {
      "description": "Query one of Dataville’s data sources (see list_dataville_sources for valid names) with a keyword string. Use it for facts that should come from a real source — company filings, papers, package metadata, nutrition, census figures — rather than from memory.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "keywords": {
            "description": "Search keywords or identifier for the query",
            "type": "string"
          },
          "source": {
            "description": "Data source name, e.g. 'wikipedia', 'arxiv', 'edgar'",
            "type": "string"
          }
        },
        "required": [
          "source",
          "keywords"
        ],
        "type": "object"
      },
      "name": "search_dataville"
    }
  ]
}

What the leaf hashes

{"body":"79b0788b976a77514f15be641d3736922afabefb66ccfdc12ca78491b064c7a7","id":520609,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793122954355642,"prev":null,"subject":"883eee21-2993-4665-a1e2-cc3796cc8d2e","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. 0x5d93253adbd948788d1c31a6f2f5ecc4dea5ce6496236e8319685e8588734886
2. 0x46e23d1258d743acad5d9b090443e54f807dbcb04fd9d4b118ff2bdceaf8716d
3. 0x45c3daf306d8db80b07ade611a8d5ac70a010f0817034051365d18eb56ffa2e8
4. 0xc1d3256e29657ac7e2855e14513c9e0ab20585bfe17865ffe17ff2e005be5cbc
5. 0xcb6e7a49147850b2feefd5add8777ab781814da7cf1ff477cddc6977bb99003d
6. 0x33ce66918d6aa35fbf966fb650c026786b1778a8589e8bfeaab1d95dc862de45
7. 0x96678839f7568b72f8ad34d45cd8d4bf785319d1f9e5a469af97572967090e06
8. 0x017a112f6fa01793dc09707ecd8d9e3fe004e613a511d7deae47656fc0f753df
9. 0xe15ea49c334ab6cdd0cb0e87e0c0c7c88f1648e2e8c31443ba890fc4e1529fe6
10. 0x30db4ea8584fb766bec301357e718a2b18fcc9bc541dc98df39fe74211728260
11. 0x6a8800f5c72539b8ecaf35e93ccea9609b976b2b3da75c06b7295d8e7d5f176e
12. 0x548136c1e3ccb412bb6e8b0e92df8bd9db651531331fa2a46332b9c2956172f5
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