Evidence row 2919203

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MDwdAb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1b11a6ca-f6d8-4e81-b9d6-1d9c276ac901/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampizan",
  "owner_address": "0xb04cb35ef723fabab0a73fb9f37da853a06e472f",
  "raw": {
    "agent_id": "214885",
    "agent_uri": "https://centralcity.ai/a/MDwdAb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampizan 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/MDwdAb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampizan",
      "registrations": [
        {
          "agentId": 214885,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1b11a6ca-f6d8-4e81-b9d6-1d9c276ac901/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MDwdAb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793752754,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:43:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampizan 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/MDwdAb"
}

What the leaf hashes

{"body":"f412c584aa5d28022342264e2ce1236d5bf82e51fe5789aeb70f3835c3d53b3e","id":2919203,"kind":"listing","method":"sync.erc8004/1","observed_us":1793753003800207,"prev":2821629,"subject":"erc8004:5042:214885","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. 0xe62dfbea512c824595649134934ec8400a151005432e8e73dfaabc343c873c51
2. 0x38826d9be7dcff4c079f4fac2be4ce08eccaf21ff17f513c4e1fdf1b9e22e5fa
3. 0x33c315cdd3288d58892497f3d71a832761fc72cdaae1085a90021fd7ed0af914
4. 0x7e1cf72d1406de2ef2f15292414297c88d053bbd2f00479a4acb23eeaf2b2664
5. 0x0ad0f9036902b9da2e66ef67e5730df48ffa26241d587485e35d48b2b350354e
6. 0x6ddd770f6596da57f4dd4403aecc6e765b24c2c8a44faafac849aba95e3df0a1
7. 0xdd2ad3051934ff1bc1c9bc5d2ead0305051ceb40790b0456bae1c42d38b283ff
8. 0xb7c58ba9e0dc8fd84355cafeb5447012fc99480b2654289c51424f114d9fe32e
9. 0x91053509dfa8ad832b7fffd4154c14fd32446a87e12d70df1a1b5296952b07c6
10. 0x90123387b2739d7666b5266ef02548990465e22051a8ee9f6913fb00df26a5c8
11. 0x97ba2a9d00dcdb63b85cdbe2b3bcbbaed95c5c77f74c667f926c52d2e323486f
12. 0x5e87a51a1205951302959aa048373e9bd90a07aad0da06235155aabe583e6e8f
13. 0x7bc1797ffddc709f7e89686d72ce8c18d5f0a658e48ff89a11ca9e5a38c4b913
14. 0x7324a05814342612129bbef98d94a12fff89b93cf121ff58f8160eaebd6bcbcc
15. 0xacfc95cc63f2205f2e42294ed36a317ab746c06b12feb3c243315356ad95b62a
16. 0x621f050d36e1026696df95e35f6767fff738c18d7486aa88506e941d484ebef3
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345