Evidence row 3687468

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/c3znu9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d6a3135a-3853-4cc4-84cc-2754cc6d972e/.well-known/agent-card.json"
    ]
  ],
  "name": "Posano",
  "owner_address": "0x2c774303166e0dc6d449c69abefe5dc683d46435",
  "raw": {
    "agent_id": "375762",
    "agent_uri": "https://centralcity.ai/a/c3znu9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Posano 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/c3znu9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Posano",
      "registrations": [
        {
          "agentId": 375762,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d6a3135a-3853-4cc4-84cc-2754cc6d972e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/c3znu9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793943419,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T05:42:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Posano 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/c3znu9"
}

What the leaf hashes

{"body":"b8b79f2555e25261e9661735d6c755c6fcaa97f26691048b998d9322e9ffc0d7","id":3687468,"kind":"listing","method":"sync.erc8004/1","observed_us":1793943727079400,"prev":3687217,"subject":"erc8004:5042:375762","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. 0xc28021c0501d3ccae44fda626c211e72b5f35e051ce6bba139356f66f386773a
2. 0xe7a8223ac3b826ee48f042cfd295334c9a7c97e1d4bf9c22b8bab491146374bf
3. 0x93051b2c7eb4a88f49228c87a1c882ce72ce7783580f8c412ef916bb00d4dfba
4. 0x2bf6d83388a62283879c853d8a476421cc0967e7ea5e7672230973d4e8ffbdc9
5. 0xd8da6204f4228d5a0c363a6f3ff19afd87694511573d92c3cbe75a39e43c0259
6. 0xffd07f9bcedd9e65c351c79c275390cc336f74ed7b5b40b3a52d98b734ba75b9
7. 0x4e7261a10a6a591543404bd1af7c930440932e0c0c7fb010b9ae3b496498d1e6
8. 0x857817c2bcd95722e868a10e99ead1aecbf2b7cb305476a41747d3d420352350
9. 0x090831a87817ab185ba31b9977f2fb11e9b163ea8a3570f1ab63659d5c5c58b1
10. 0x046d56ae1efbc912aaf2cb8d1f50e3b6a4a8d67a669dcbcfe807eb20834b9954
11. 0xd55412af5f051af86563b3568ee56e6119915c5a927edb9739c2eda939e8bd6a
12. 0xcd02348e2aa1a96b6225a312cfa8a211bd6e6ed26cb15f8cd7ea2ce2c6b07a9e
13. 0x924241b8420d4d4319e17028e9b8589ddddc47fe0266839c1519510a8c3ae3ca
14. 0xf2bbeea848b333047f129c8686a1cb6572f51a517261b7356309c2239f36fcaa
15. 0xa1718cabb225bcfa7e8d30571095a3947ec7e2f279fac8d2d2530d955a7def96
16. 0xd47209ac9b2ac71257b5162800ce4482f8cf7ea04f074033847ad335ca758d32
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1