Evidence row 3691158

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DXpUH9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/13fd9f55-8b5c-4f6c-8990-ff2bb1b6b012/.well-known/agent-card.json"
    ]
  ],
  "name": "Niobias",
  "owner_address": "0x57ecc9478a82bca795cf4664290a4942f21824bc",
  "raw": {
    "agent_id": "377841",
    "agent_uri": "https://centralcity.ai/a/DXpUH9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niobias 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/DXpUH9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niobias",
      "registrations": [
        {
          "agentId": 377841,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/13fd9f55-8b5c-4f6c-8990-ff2bb1b6b012/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DXpUH9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793945991,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T06:21:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niobias 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/DXpUH9"
}

What the leaf hashes

{"body":"628154a9ae90df9298d92c6db6d319d7149d50f6bc7326612c0146443453f3d4","id":3691158,"kind":"listing","method":"sync.erc8004/1","observed_us":1793946074777279,"prev":null,"subject":"erc8004:5042:377841","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. 0xb1d0017d1286685dae01bca4901c126abca3aabe55ed5fa92d123b5fec41d307
2. 0xa58f6ac3066ae0f59d249f2e9e489659fe966ecf981d7aaffe121e2565b271b9
3. 0xab717c8da22b53c75dd33d5a2ef8b89aa9e36c689c0a36f9742d8012262386a5
4. 0x528d8dc6b4993b6fd9fc6c54de934eb54cb48e059a500706207a41a58d2c9899
5. 0x28ea9d3aaa525f77aa95f4379702c11e35944169603d3cf7130c97e4345ad8e5
6. 0x465b172e458340c914c3a89eb230886e9031ea26b2a156b3700040d34142a87b
7. 0x1bae6db57f55b25b4768faa28c17e9d9484254e876fb3995829a45579d35814b
8. 0x179d8e7209b72c7ea488b7523a8e06db23f56f13e1870ec2d6fdf27d6cd66e44
9. 0xd54e0966a50a3f2e45fc1e7b08f2d395440b5922fe3efa7b6acdba14b2c710b6
10. 0xb69f5e5b16c4f27d34f8b5bd559a8d462e732f2feac3e9d623e25e2cbc5bcc46
11. 0x273fdde9be620594c4ecbb04f875589d40668567273ca60c97b60694bdb7ae04
12. 0x6a97f0105728916eb066c7b23523544ea190ad1f4ccb6d97d1c556584ad4d1da
13. 0x0353667b2c4e07330b140eee706bc296fa70c834f49fd1118f15d96623a00bb2
14. 0xa99b1ad6330601889770030d23b9c5dc19a1695efddee19df6debd2cc7c017cf
15. 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1