Evidence row 3038571

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fa85Uu"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d3f9c906-4a7b-4679-9f43-5fba7bdbe7fe/.well-known/agent-card.json"
    ]
  ],
  "name": "Kontakan",
  "owner_address": "0x3cf4a6520dd2f821ad9361f6711d666b6c3088b3",
  "raw": {
    "agent_id": "268025",
    "agent_uri": "https://centralcity.ai/a/fa85Uu",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kontakan 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/fa85Uu",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kontakan",
      "registrations": [
        {
          "agentId": 268025,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d3f9c906-4a7b-4679-9f43-5fba7bdbe7fe/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fa85Uu",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793812611,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T17:21:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kontakan 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/fa85Uu"
}

What the leaf hashes

{"body":"17b28fc3e0a305255d23b0f96a54fab75ed89f6bfe424e584f2256a58193742a","id":3038571,"kind":"listing","method":"sync.erc8004/1","observed_us":1793812875669793,"prev":3038198,"subject":"erc8004:5042:268025","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. 0xd6d4dbb998de53594128030afcb0be6a7ede552be6cbe7438032f6b7c74f3a3a
2. 0xfa03534080b5787b61c822fb42d2f7a32b3eb7c91588613575e2b400599dc2f7
3. 0x2453089e2ab86993732bd32c842bc82a4323b49809c0678a94d71a78ac74f81c
4. 0xccb94a7ef956ce9e0775bfea355d2d9bf4da97b48e695e77b645c39fa96850b2
5. 0xba063ac63543eb8ed214dea46d92f4401909e468d5ee10bc31fe264e26ed9e56
6. 0x827c5222868aa9f10820d6e7a4a754ca83cff70010ef5d6d67e8f90ad5036fae
7. 0xb81ff7fb15af19d5bf9994b11e00ab620bd1de046523469c9d8c94e5f2895fd8
8. 0xd3897f7e76fbef746cd46694cde7540fad3258f6973ec9f13baf36f13214cee4
9. 0xd05dba87ffb3e3352430f751ebc3b0b962ed504701fdd8c3a77bf3a1c79294f9
10. 0x1203ede9c82261a790b51cfbc2ae69c8aee2da4564de6bbca031a7ffc04ccf2e
11. 0xc99dfacde7d362fdb62d68d8a6034a20500f06b8861f149c158829aaac46ec3a
12. 0x2e26f6a9e6e833be86b1d913f9a429c73ec99cafc5e17769fbd87301048bc3ee
13. 0x274b30ba2f7847316f0be0c268046b857dcbbcf279f0c582b30103cc260319a3
14. 0x07f781e70c12f59067840cf8a82ad38380528bd5d9a968225fedcf9a7fcf613a
15. 0x967a13436a6fe02491b940f63f3275048d17df8ea0d3831beb3e7ebf52a46e50
16. 0x1ea547989ac488dff8da9e79b0ab4cffe98cb60fb4c76ae15e4a1f53a247e0be
17. 0x7efb735f8d49bcac59a20b148718d382f32a05352c0255ebbd501ca73055453d
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345