Evidence row 2961706

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wjmR3q"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b089a39e-72e7-403c-8053-f0b89511b636/.well-known/agent-card.json"
    ]
  ],
  "name": "Biontik",
  "owner_address": "0xf43be47c5f459e0b1abec4298f684521a4de9018",
  "raw": {
    "agent_id": "230151",
    "agent_uri": "https://centralcity.ai/a/wjmR3q",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biontik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/wjmR3q",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biontik",
      "registrations": [
        {
          "agentId": 230151,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b089a39e-72e7-403c-8053-f0b89511b636/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wjmR3q",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793772954,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T06:18:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biontik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/wjmR3q"
}

What the leaf hashes

{"body":"a84d7d35830dae6706571a7bf6f0def2869baa60f60f3106b1dc9eba12c5a255","id":2961706,"kind":"listing","method":"sync.erc8004/1","observed_us":1793773129679983,"prev":2961251,"subject":"erc8004:5042:230151","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x634ddeb9d89188f97a30640a52b934c25c825f0ff63bb20b048ad9acbe00b3c3
2. 0xa09c05cd6000e150a05d1eae4e337761ad3fbee8df5ba6607f6d23bb5911f08f
3. 0xf607513f8daa6ba48193e2712cad602591a6ca7185c4e5ad6a726ccb4b4af50e
4. 0x106a0b24748f8ab74dc5fe490c12ff922f667bf56d20255152d4d942a5614630
5. 0x9ca85bc0af576c877d4ef8bc29eeb1fe613505c99239244e1a0c49836e14e63a
6. 0x825f311fce34a495af87596f71dde5b63cfafb8db6bc715e1c5b20b8314f23a6
7. 0x7963b7eb70ac6e70203989f5702c6a6b7c8917565dd995c2880b06f4afa9e7b9
8. 0x4f7b403afbff556a8cb7cca2132b02a0d7f386e1039f65221841e2b1b91a9bcc
9. 0x89a0149bb47ad5a27ad04cd99cc77d56e8ec8d5293674d9b5df4f6d550ff8e6c
10. 0x0edd77a5904975980700a7e6649711479f6a7c5258f0ecb289655d1f7f363dc8
11. 0x065c6b70764796d775755bf3d437f443b97f4a31640eafe2500aa2e0a61978fb
12. 0x999ce856bc70d0f794f09e35400264edf15f49427a6342f34c11fb7fe4657017
13. 0xd5ecbd8cddae3189dde01751faa8154b79da64954ef2e6472dc0e81a8f429577
14. 0x3b1726687d77b93fde24818aacc15ce8acc187a405b1ecd23d591d9b554de8a3
15. 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345