Evidence row 2624270

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XrwWcW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f4160c78-1c3e-4cda-ae66-e512b1951741/.well-known/agent-card.json"
    ]
  ],
  "name": "Semper",
  "owner_address": "0x73a85667d62c4c7aecd09dc263a12a5003d64719",
  "raw": {
    "agent_id": "199116",
    "agent_uri": "https://centralcity.ai/a/XrwWcW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Semper 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/XrwWcW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Semper",
      "registrations": [
        {
          "agentId": 199116,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f4160c78-1c3e-4cda-ae66-e512b1951741/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XrwWcW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793730171,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:25:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Semper 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/XrwWcW"
}

What the leaf hashes

{"body":"8c63199741d121a3b39fe2cadc3223f15b6eb1068d54ca3626122a310c4e0034","id":2624270,"kind":"listing","method":"sync.erc8004/1","observed_us":1793730308910582,"prev":null,"subject":"erc8004:5042:199116","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. 0xb52f36199206f07803511adc67b54810a4b179763d01687841688872d7bc74a3
2. 0x07721113d5c7995b133892a5231aa937a432ed38cc7c03a3b1e46ac2c4f74831
3. 0x2a3da99d358fa05cd216a0574df5b5ec31dbbe0219cc0e5cfd8eca5965926147
4. 0x480a844951ec3b58d6913e740481ae808f08857f3315d0ce0fbb60edf60ad26d
5. 0x098c4476b5cf2e2fd38c4c7a413f1aab97d6cab8881b68e14c6dd1ab21a06cdc
6. 0x1b9e6071c03be9c31b1262b2423d5f1e66282cf67fc1578277d50aa404d90fe9
7. 0xe3e63ba17c9b0e171b4dc25a632388c3fbeffec03788cce8753e5d0ff5a5c1c5
8. 0xe961458d01ccead69a540cea06fbc8fa004363c9d5bd6f94fcc22472e3846dd9
9. 0x2eff036f7c3d036c29ace5330077a54b7b1d0a9e9f97fe6d6e825af80dc77e37
10. 0x59ac08261e13dd04c8b31e9422f92862ed6d43b4ce239b27082f39fbbea7c718
11. 0x213f2d17466874a0900371521fc8276b5b5ce7c69723df9663e06ac2849e8713
12. 0x007ad4f9268ae223334ac043ba8869550520e010b202e7ea881bc3f7d4f0e38e
13. 0x21bb4f528bdd235a77e2f1802b439572aadfc1f1e65d2605dfa0bdcb481e4d28
14. 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7