Evidence row 1485773

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Find the work email address of a person from their name and their company domain. Tries the 6 most common patterns (first.last, flast, first, firstlast, first_last, f.last) one by one and returns the first address the mail server accepts. Stops early when the domain accepts every address (catch-all) and then gives the most common pattern as \"guess\". Each pattern tried counts as one verification. Personal email providers such as gmail.com are not searched. Requires a paid MailTester Ninja key.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "domain": {
            "description": "Company domain, for example example.com",
            "maxLength": 253,
            "minLength": 3,
            "type": "string"
          },
          "first_name": {
            "description": "First name, for example Jean-Pierre",
            "maxLength": 64,
            "minLength": 1,
            "type": "string"
          },
          "last_name": {
            "description": "Last name, for example De La Tour",
            "maxLength": 64,
            "minLength": 1,
            "type": "string"
          }
        },
        "required": [
          "first_name",
          "last_name",
          "domain"
        ],
        "type": "object"
      },
      "name": "find_email"
    },
    {
      "description": "Check in real time whether an email address exists and can receive mail, by asking the recipient's mail server (no message is sent). Returns code \"ok\" (valid), \"ko\" (invalid) or \"mb\" (uncertain, such as a catch-all domain) with a message.",
      "inputSchema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "email": {
            "description": "The email address to verify",
            "maxLength": 254,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "verify_email"
    }
  ]
}

What the leaf hashes

{"body":"d18cebb53cbfb60bad9a2dc669d8a40dc2572e2df3b2561cacda88183e65b89c","id":1485773,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793450473647117,"prev":1003748,"subject":"7d66f436-7272-465d-ba28-d87f95f1e2bf","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x3d1e3d3519aade16eefceb11f908a609ced2472ee5a048f134ec2e8ae712d579
2. 0xfe2198b432984ebc6943b5cc4a38df73ad5d357361d56a9d2cb74fda1de573a7
3. 0x99b5f1e0640e7af5f930b7703bf849740a5ede7049fd27d5375b8c5e83fcbb6f
4. 0x166c3c75c83375cd217444118d8cb82e292d6f8ae626dc46a432069af1ee1fe1
5. 0x55578096ca52242b32fc48bf08dbfab7d1c50abc6e7d278ce5786044df248e2c
6. 0xd9e2610b4874ab0ec035b343792a28a895ad59326b2a772d6931da8eff37281a
7. 0x0c682960605b68f437bb3d976fe2277d2833031ee5642b20a38b107f3ee52972
8. 0xb18e4a23e6a87f2808c6fd07a6c8833195ef0c7fec84adc320589a0f49a8671c
9. 0xbff2917bcb5eda76207f3ddddbc48e96390ecb992fcec8f6e84280deca14f8fc
10. 0xd562b87c98bf9cf703d5e2d23b8c3b8065732a7d65eb0b28ca1022b6a1d9134e
11. 0xd1cb0f4f3e0d1ff9fad86b89c5bf43c8b46295fa2557b170028bcec9e76ee9af
12. 0x8c03bfa1086a826db5ededcd620542546be4a77b1df6b3f1b528300dad6134de
13. 0x13b302bc666612c6a2355a9f2772bb5e8b41864f84bd2faa6fde4925d59ffbeb
14. 0x52abc997ae7243cb8d8ecfd77101582ba9534053215bf053c093c35dae7572c6
15. 0xc712f139a437e96ecb98a6d83c47c29921720c39ba2e7e94f4973de043fb567c
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0