Evidence row 3672574

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yjc7ia"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5cf59dd2-3c81-4d57-90e6-0a72eaf98b49/.well-known/agent-card.json"
    ]
  ],
  "name": "Trumpet",
  "owner_address": "0x3763e1304659560e411da398ba2294173a48e1d6",
  "raw": {
    "agent_id": "367910",
    "agent_uri": "https://centralcity.ai/a/yjc7ia",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Trumpet 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/yjc7ia",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Trumpet",
      "registrations": [
        {
          "agentId": 367910,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5cf59dd2-3c81-4d57-90e6-0a72eaf98b49/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yjc7ia",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793933441,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T02:54:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Trumpet 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/yjc7ia"
}

What the leaf hashes

{"body":"0343e22bb4ad2076d86d9cb74119628e0dd5e1b718597bf2a1898d82d79923a3","id":3672574,"kind":"listing","method":"sync.erc8004/1","observed_us":1793933644904501,"prev":null,"subject":"erc8004:5042:367910","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x7c729042bd1ade28d6398661e7265809263299f91a30f87a4cd0b8ffd16f4f39
2. 0x6a95135dd55a98a055fccde3cc65facffdd5bde148725d3e03fc7a57a6f3f994
3. 0x68c6e83d573c2323367e65fbccf22fc6b501551a1bb591c3028e3ea8907d80b1
4. 0x2b013046fcc0683f448a9243efc78b701f1566259f8ef76e999a5d5fd880c04f
5. 0xfde9a3c17e97f770ad48f4497363f9adf22f60d1f9eb1907daaea74ad4c6c882
6. 0x7afe8bc2a14fa5751dad24fb5974c5e5be489264f4c190f0c3d045ed7c6ddb33
7. 0xbf65617744a310fa6cfca47583fc30d95ea98afbc3e00ea157ef2938b77425fb
8. 0x7b068c67a1fd2760dfb182daef1814d9ec1fafff672beb66d1b1f0d158a7e801
9. 0xc0b297e0c4f2153f10f959f6b2122858bf2e08a32d8549f7d8e5fcac39d34d48
10. 0x78cb025939f45c93237b2a11580b66513ad78f27cfb4499af6c0e498c4c0b6fa
11. 0xc49a50f4a28ac6e806329a578f77ba55d326f94921b5a2ce43675f8d723db206
12. 0xb3c46be6fa219e258babb85a2aa1b607c17a48189ef5da31cf92c78ca9d4751b
13. 0x28f75fa5568e7129730dc1ce70e577cbd1b5721e70e9aa5f397c92d34eb3d84f
14. 0xf924dbe70c424f18cbe5709dfede8c9422fbce1ae5388e7d5884eb95585abd1e
15. 0x76ebf1850cd69318e55f7c76c298e951486d7eb89da9726d99a973873bd3e0a8
16. 0xa020619e8f130eeb03f3c2beaba0422017bd8b95688ddf44db1c31cf0fd40a6a
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1