Evidence row 3688749

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/RDB0Kz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/58c14871-3e42-485c-801f-7e3eceacb0d0/.well-known/agent-card.json"
    ]
  ],
  "name": "Maassias",
  "owner_address": "0xb8be4f62230e93bfeb122af13c86e480d48a2664",
  "raw": {
    "agent_id": "376564",
    "agent_uri": "https://centralcity.ai/a/RDB0Kz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maassias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/RDB0Kz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maassias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/58c14871-3e42-485c-801f-7e3eceacb0d0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/RDB0Kz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T05:53:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maassias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/RDB0Kz"
}

What the leaf hashes

{"body":"21029fa27fd05c41096160c053ffa049b6f2a0f1ccb6cb603a116ed08a55e00a","id":3688749,"kind":"listing","method":"sync.erc8004/1","observed_us":1793944396851613,"prev":null,"subject":"erc8004:5042:376564","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x9f830ec4ea720708d233f55ff70105e863da7bd6821b1f8c469d148183ddbc12
2. 0xc1538f64da76d30694a65b6c870852e358dd6949f031689011a8e6d4ee26a821
3. 0xf8394bb24f686bbf4b909b5c0555984a0fdde75b883499ecf483ab744e5451f0
4. 0x6ba6fffff0d425512fb4319dd00cce67a9693a1b889343ed0f95b39ad3a2f1be
5. 0x478de919d8a9cf6ae24f632abd5931cc02d3b120421c23b8fe8f46a150b1de39
6. 0x41364617cce8d02f10d0274b2267ad98111f178acb74a8d64db7f996e95a2890
7. 0x17c0d8dfde671581e15f2b57801ccb78f375d3176e942d76b9e1c22ffa7e0d98
8. 0x706b74e679bf2e9a2df21d0f4951c72c83c9b73c16a727c71ad0f343d250a0f0
9. 0x520beb3a78f6159051818ef37b738590afb03b3178761a5debf2ff765bc658d9
10. 0xd286f7457a096277dd7c22986c96b4c778dcd403aae76b84a64e2b7442a0f422
11. 0x64d9b02b9d6ff75397dad6198dded1202e966501d6832eb6c3a9452b0ad161a0
12. 0x79c9b6606835184e47ff67aa527d55a508d91bc7fec9edd887fa24a45f7fdff8
13. 0xeba58732869624de8ad69d27c52fb854ef5dbc382a5c87153e289214c07f17e0
14. 0xcd45cd6804cf7e7d1e6909626f817ebe91b3e48cfef9aaae97c8bc90ff284ab8
15. 0xd0ea1c67876a6aaf3607745d3124ddfa46a7db70cb95b8b0331a1db5672bf932
16. 0x15b694ad919111e31e8112077ed1645b2f3c0d6f1433eaac3aaf1fff1c7c8aa5
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1