Evidence row 2956186

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MO7bD1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cd774e30-f4de-43db-9dd2-182ddd7e94e0/.well-known/agent-card.json"
    ]
  ],
  "name": "Nidano",
  "owner_address": "0x398722379a0ad7ee23c1a576c0e0cfca8a7cb1b2",
  "raw": {
    "agent_id": "228032",
    "agent_uri": "https://centralcity.ai/a/MO7bD1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nidano 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/MO7bD1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nidano",
      "registrations": [
        {
          "agentId": 228032,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cd774e30-f4de-43db-9dd2-182ddd7e94e0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MO7bD1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793770283,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T05:34:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nidano 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/MO7bD1"
}

What the leaf hashes

{"body":"982ae159c6e5f1dbe2e03640cbad38ed97e166a8cea5c53e78dc885be1256f7e","id":2956186,"kind":"listing","method":"sync.erc8004/1","observed_us":1793770445859761,"prev":2955687,"subject":"erc8004:5042:228032","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. 0x140584db07017eaf3ff0175ae4b6aca05fed19f87eb7f34e50668fa1d3164830
2. 0x8b7c80aa40fabbcf97f0ea321edd02930803dd24fc663e2afd89ce29c8bf076b
3. 0x37f045e4134a8d73e17866a55558a2e440c8d0fdbd62d155e622d8114fc961f1
4. 0x0830847e8f27bb89baf03b5935415098a4f33ab8d8d187f1568c11e992cdf96f
5. 0xa36ec45ab4c423c4a66a469a0e66470e891b2fe2e34a6adb8e046d63f45a0fad
6. 0xfeb0ee29cbd90ef9c7e70d7b29740d714c49b3ae953598de86da6ef2b5697ae4
7. 0x814848cd8beb5720175d9430d3fb0542d32d3280377fc5ebe9b11fdba6c3b822
8. 0xbe36ddbc90ea6b66af2b225e6c7e5f5bde622c5461e24b1b858b96d1bb45835e
9. 0x996bccdb046a9ba8789e4214a8d99fdfe9b091e282028d72fb12e7a3d6f54bbe
10. 0xfa9f5af033105f74c08eb9a23d166e9abb6596dd1cf21f6b9ce1d543b12a7275
11. 0x045f46957f732391f9096e31e3ad5e0c02d9781c4c4939e05f743316250cd412
12. 0x839a8901dbbdd687be28d6b8fe6e4337d7fd761c2095f8e3fe26836b42cec860
13. 0x713a7edc522e56365d3844cfd9f5c8946a4467d3ccca145361b016f2840232a8
14. 0x6ac43d1174fbbc2d100be6f9123ae0aef5477b6638d0ccc4c3b63b712b3ff98a
15. 0xc548b1872185ffa8b629b319d34df11bb7ba9b287199b96bea02abad81eebaa6
16. 0xa9c5ec1f03532da98f64c2c9386083d4c5202ff37eb07bd4beb6b8db6e4b8c1e
17. 0x01c26569ec8e231551522ab452fd5d417c3d66f29c7c76886a8ec295a18dd624
18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345