Evidence row 2122283

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/jPhySN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7a879e6a-f6f4-4a0f-9538-cecaa77e37c0/.well-known/agent-card.json"
    ]
  ],
  "name": "Kaubino",
  "owner_address": "0x1f28519a068cc248df255b7fc209f12f3a1c2126",
  "raw": {
    "agent_id": "89417",
    "agent_uri": "https://centralcity.ai/a/jPhySN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kaubino 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/jPhySN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kaubino",
      "registrations": [
        {
          "agentId": 89417,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7a879e6a-f6f4-4a0f-9538-cecaa77e37c0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/jPhySN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793619291,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:38:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kaubino 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/jPhySN"
}

What the leaf hashes

{"body":"ec41682e7d7032d52d0253daae7da85e3216f44563caeeca85b07d9c302fc077","id":2122283,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619534822296,"prev":null,"subject":"erc8004:5042:89417","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x3656c52af486d910a3cfb8fcb5f0cad06e3f769024b3662e74b235e232a67a45
2. 0x4096887a5a086eb0b1c9c2946e203f2e31b74fa40224aca65b7a578d35b9e9b4
3. 0xd3a03d619e275396b629980e20215579f2e936b02c1b5984b30cfa82fc7960ad
4. 0x2c86bdddef6cd2ba22be215818a7503f27e48cc584305a908e5ac2960a60ae8e
5. 0x225d900b8a284f31e1ba4ad4c618b5f71ba2bc02d245ac1247b9410cd8862409
6. 0x22caacb1cc74380a60c41ede48206dcadb3e878bc6d6847bc4ef9ed55afe363a
7. 0xf49af16a000944ea2c4f711d2464fb8b451fc05e67e2513e778e44ecb20b40eb
8. 0xe6cbcda85503af8d88420e8fd7ffebbc39812adc50e5b471a2b0a3e4471ca7d9
9. 0x5b734768f077a059b2c90928bc01e2213a25b16b916a484502920630ae016aee
10. 0xcdb209c2e76ab1a8722dd4298ab0e03f40b1398ae10b05ff87c1215fb3aeed27
11. 0xbbc3ba117939999fb474e22af0bc8e761d629e3ce88e75d37ff20c53fabc3b2e
12. 0xf2afd692f9ecc84d8043fb7e2199fc37af44471368455fe6d2ad7651f20ae534
13. 0xa0e5887b42201f4bffeb4ff69bd41372cabcdfc84eaf669d71bc4550864cf581
14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af