Evidence row 308873

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Check whether McGill Technologies can take on new work right now. Returns concurrent engagement slots, slots in use, and slots open. Call before proposing a start date.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "check_capacity"
    },
    {
      "description": "Get how to reach McGill Technologies and what the preferred first step is. Returns the contact channel and service area. Does not send anything.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_contact"
    },
    {
      "description": "Get the Discovery Instrument: the fixed-fee two-week diagnostic that most engagements begin with, including fee, duration, deliverables, and how the fee is credited against a later build SOW.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_discovery_instrument"
    },
    {
      "description": "Get how McGill Technologies contracts and bills: pricing structure, who owns the source code and IP at the end, and whether there is any lock-in or required retainer.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "get_engagement_model"
    },
    {
      "description": "List the categories of work McGill Technologies takes on, with the situations each one typically applies to. Use this to determine whether a problem is in scope.",
      "inputSchema": {
        "properties": {
          "id": {
            "description": "Optional service id to filter to.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_services"
    }
  ]
}

What the leaf hashes

{"body":"ce73555c37ccba966bdd57eb2ccb8722d68df867a1eeb16b137190a9abff1f2d","id":308873,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793058544175482,"prev":null,"subject":"903bb55e-3f9d-4d2c-8596-c8fdf6d9402d","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. 0x766f2547f7bb7e2d600b93ca542b3e087495d3cc30f72503bf4ae0855b09c265
2. 0x8c37c7d1bc1989e1fbc720a6ac23006ac62caeee1cbdf813fb5f2385204aa9df
3. 0xaf95602262b248009325f271f1c34bcf88fd309d946d0c5232bc3eac0c46d8e3
4. 0xfc0498584898ae91b269a4811f37e8a30d81d9f50c912be164e483083451ea50
5. 0xf77099414f43648cad5b5c31a8a080343733474cf80cb6908c1de807fe92c675
6. 0x23ecd917d68c53f3e58b8d4dc7615ef2aa304aaec5b303ba9aa7eee9a7a116eb
7. 0x642e99fb856ac028b76ef35e3585f9fc39fd1e36b1c5ccac46e4ffcc3c8eda4b
8. 0xaa1fd7e7a106c180604dbd76c777edb81e2a439f80d8b9433fb5befd37be3658
9. 0x1ef3a874c5a7717a0b525ca3c5c503addfcf2eb6b24182e4bd1cd04458449b5c
10. 0xf99eec69e7b273c29cfbdaac6b9d0d445684d8769e059a72e77ed52679165ecc
11. 0x2b0f6f9a9d5201404fd0cd99316c4ea1c2b3853278de26cb244fc2433c8b6831
12. 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
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