Evidence row 1778217

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NqtODV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8a5fc96a-e839-4819-a39a-6ad253742b19/.well-known/agent-card.json"
    ]
  ],
  "name": "Kautis",
  "owner_address": "0xa784fa3a1924c5cfbb42cd259d893a16250c1626",
  "raw": {
    "agent_id": "13250",
    "agent_uri": "https://centralcity.ai/a/NqtODV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kautis 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/NqtODV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kautis",
      "registrations": [
        {
          "agentId": 13250,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8a5fc96a-e839-4819-a39a-6ad253742b19/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NqtODV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793553316,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:16:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kautis 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/NqtODV"
}

What the leaf hashes

{"body":"fb5697a947d159efeb11cb9bb0363ca3c8d81d36ff86c555bc7c353c27ef7656","id":1778217,"kind":"listing","method":"sync.erc8004/1","observed_us":1793553412846944,"prev":null,"subject":"erc8004:5042:13250","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xef3d7785dfcad70860ab1514de3143554053bdd4a369a888a27c368a1624b79d
2. 0x4130ebf79b680d19c84189e046ea050489cd3551f713e44c59c41dc35c391ae9
3. 0xd98e81a8111855e762fa1681d5521b8eeae8bfc562167dc0afa2f3354698057b
4. 0xaf08c7acdcb905893a326887419a84740df8342872b4ea3eac14bb1ea5d70fa7
5. 0xd84abdfdd81513751346f4d03a20681399bce0d9e221868536c16d1204c7ce5c
6. 0x362c47ab8e0532e230bb99f570933df4a345f4474b0fd833fcb21052f4954cec
7. 0xb8f7e843300581453667c4d99a74bca887aa1f152567879ddaad97aa13a71992
8. 0x87baca2eb78a832a509760d5b03e2720f786edc0dc2360710e821be60bb1a9a3
9. 0xa7b93330edbc84417202c75fd45fbdce223b5be4e3ff1c8ff67dc7be60d07408
10. 0x241908e94295d899b68e9b52db796a9973dd27b2013b566533e643f88eff589c
11. 0xa515386c3e038f87d1125a0876dc019f175f9e00ce412aea5bb8aab3801ff140
12. 0x1b5a8d6f871c578c6ca98d6b748b9433c45f26a6046ac5e84ea6551e53a17ec1
13. 0xe90b78263bda6cf595e6506f00151a77021430873ffa310d8a01f67d8991ca3d
14. 0x80f03705ce9ab50e28456bf4bcfc03de151f183a71db3234274287a24f946a1d
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90