Evidence row 3022604

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fTiufI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7621cec1-6e61-49c0-b95c-7d657a716125/.well-known/agent-card.json"
    ]
  ],
  "name": "Sempo",
  "owner_address": "0x3fcf7645a53ffaf85935ad251db199816ed447b0",
  "raw": {
    "agent_id": "256824",
    "agent_uri": "https://centralcity.ai/a/fTiufI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sempo 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/fTiufI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sempo",
      "registrations": [
        {
          "agentId": 256824,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7621cec1-6e61-49c0-b95c-7d657a716125/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fTiufI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793805717,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T15:27:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sempo 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/fTiufI"
}

What the leaf hashes

{"body":"8d94adf2ac552f98538fbb7aebf3df8fe9cc222536ef0a1071e7eee0e1b8cdbb","id":3022604,"kind":"listing","method":"sync.erc8004/1","observed_us":1793806032254921,"prev":null,"subject":"erc8004:5042:256824","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. 0xf32ab089b9d1a320fae6397270eac29dfc480a0edb390da4efa7401ea7ce0e10
2. 0x9cd4b075d10074c11cbdd0bbbe0929757feb5841141ca87c1db9eb6226327836
3. 0xe16553a796e5a72e4c0faf423772627cabb418916b3d4700fd585dbc631d547e
4. 0x76321ed63be0268154d15a65d5ee4c7a261527660cb54ddab1e8bcae2cc0e8e2
5. 0xd45cd0945112fe4f11f2278161a7e0597ce8790f489505544cf3e89a09362168
6. 0x15adf03a3009e09a3638c9cef2a456bce644ad40a67d61bd53e2fc0ff0dfb455
7. 0x37f8a7c98e813334e5226e7c89130dcc8c3640380116c9603d031110f868ffaa
8. 0x4433ece25963a77bde0b22bd9b600609133890b4603ae26a933515eed56ee4c6
9. 0x2f4b442b10e0dbdef4ad1d6036d9a0113a4f9b2fbd0680767e2cc3ce2ac405e5
10. 0x2497e73cb04bf951f0428e8fd1b93c5fbd7d1bf36719e9799c462acfb6793784
11. 0xa25b8d091be5e62f42aa37fa445dd38bfeb57875b43d2b16e793ada013641acc
12. 0x5a22bbfc9371e77aa17f335020c279c6cc8158c5c39c9bca6de3cd539221166a
13. 0x58f1fe680d97447966f120c32c86961b978b07259517f13711caf77434296681
14. 0xce5641798200c67544ce13e8b1215cbd72ab0a0bd153ca4924db7c1071fdccd9
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345