Evidence row 276805

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Book a project intro with Ruben. Relays the brief to his email. Only call after the person you act for has explicitly confirmed — this delivers a real message.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "agent": {
            "description": "Calling agent (claude, chatgpt, kimi...)",
            "maxLength": 80,
            "type": "string"
          },
          "brief": {
            "description": "What they want to build",
            "maxLength": 4000,
            "type": "string"
          },
          "budget": {
            "description": "Optional budget range",
            "maxLength": 120,
            "type": "string"
          },
          "contact": {
            "description": "Email or Telegram handle",
            "maxLength": 160,
            "type": "string"
          },
          "name": {
            "description": "Contact person's name",
            "maxLength": 120,
            "type": "string"
          }
        },
        "required": [
          "name",
          "contact",
          "brief"
        ],
        "type": "object"
      },
      "name": "book_intro"
    },
    {
      "description": "Current availability for full-time roles and freelance contracts.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "check_availability"
    },
    {
      "description": "Ruben Marcus' full resume: summary, work experience, skills, proof points, open source projects, education, links, and a PDF CV URL.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_resume"
    },
    {
      "description": "Fixed-scope services Ruben sells, with fit, deliverables, a related case, and a service-specific contact link.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {},
        "type": "object"
      },
      "name": "get_services"
    }
  ]
}

What the leaf hashes

{"body":"36b1558b3f7547caf5a01f390b6641e70b3e5612f392e2ec243ca7f4b5caf709","id":276805,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793041565407217,"prev":null,"subject":"0fb39f99-029a-4720-b078-e3c6828b3a6b","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x74c386797ae996b563372374d1441e854a2b894e95b786721e41ec26d2c9f83a
2. 0xcd30a3a72a3fd1d831d45fa5d8431abee6186f60a02340a024e9bcd722649496
3. 0x10542a6738ec950912fcb0cb0ad0622528c1c2b0fac9364638e37df879d8dd93
4. 0xc194d7bca6b567970d6cff23c6b5e26bfdbe76ecd2b5da088b64c6b3ab3e4884
5. 0x64e3d5ae8a2c084326483ff699ab1dc49311aad7193fd21359f58767ff1acbdd
6. 0x393c01ecf074071a6bad449e645e57444b588e6ebf882f57ee7a5955cbff909d
7. 0x92b40f4c5d317537e1c4c2a87e812a6496c63342a4c319d6368f82a149ba94f2
8. 0x148660ff501a97966b900b75443f5adffabedb0507580d0133f53c72baf5ad6f
9. 0xb98ca6941da48343330264546405ad6e9e091a1cf04b1cc94fbaf4949a028762
10. 0x9ee05f244b24b5c2218a463b4ab58eba1018e880e4d46ed9425dabadbdd4bc8c
11. 0xff8296d2db87846f2b3d9a7a4926ee8ea17587a9a2960c155a4f0e1d36206dd8
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae