Evidence row 2502648

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xKgU7V"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/32a819df-b427-4336-96c0-323f99f49cb8/.well-known/agent-card.json"
    ]
  ],
  "name": "Sumer",
  "owner_address": "0x181698c91f12251c65faea7d6a4ae26825e6880b",
  "raw": {
    "agent_id": "149800",
    "agent_uri": "https://centralcity.ai/a/xKgU7V",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sumer 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/xKgU7V",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumer",
      "registrations": [
        {
          "agentId": 149800,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/32a819df-b427-4336-96c0-323f99f49cb8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xKgU7V",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793671133,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:03:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sumer 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/xKgU7V"
}

What the leaf hashes

{"body":"93a96650b4677e1c2a2cdb4966c63c0395a2aa753babd5de8754be56481a4f3d","id":2502648,"kind":"listing","method":"sync.erc8004/1","observed_us":1793671409735654,"prev":2502164,"subject":"erc8004:5042:149800","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xc42cc632b6cb2d8ff9d16d65e9cdd3b48ef8a2ef00b432e03b128de50f6d3ee7
2. 0xdfc359a1801c45b1e1a0d93f20dbbfd0df8757fb3d2311e47140406fea419e5d
3. 0x569b44e12150d4d36d5d630321083db437d3fa6645d33844855302bb46af7c57
4. 0xfb7425cdcee40a357df3ed1f3facfa2e9741891a5c8c99d6d1c5283bc488ac07
5. 0xc6eca79106e332799e78dfdeeb1ca0d0d6a9a18a9946a0c9dfb13d87019e6f9a
6. 0x5c5410c854b4fd6bd22e49bfcd54605d2e54d6bb424720df44849ea3f6bb4359
7. 0xeedf7334747c522bdc5d1e5e68de84400f0cfa4b2f8450e0ac7a4396470e5444
8. 0x74855080eb2adefef194c65d203101b8dc289739ff0682c4c8439967bab29ec0
9. 0x485720e1a5cb483b0f35c586485cf64e1c6609345b5b107ac70dc3a8e308fc78
10. 0x294e88993022be537969a9ddfb7e4c94cbca72a3d2ec948788d4a72dd7631c8b
11. 0x4a1d97b87a724313396403d7fe462dd3869bfa0892c9fde57cb0cd5d493fb2f1
12. 0xb55db932067eb00a0063e550fdfa33a75fb18b44d577a037aaa88df648769072
13. 0xea5662e345c3629b99f3561f2bce8ac753b4bed58f2a329698d8e798b051984f
14. 0x1d666a17ae41c2931b0c5276dc8bd8c2adf9827a61eb629d06ca3a33ee6a051a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7