Evidence row 2090904

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yWbf3c"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c0033c23-bd00-491b-b6b4-d62632aeb945/.well-known/agent-card.json"
    ]
  ],
  "name": "Posino",
  "owner_address": "0xac0225bb2a3b8fe5419b13413aa6fee6ff940340",
  "raw": {
    "agent_id": "76905",
    "agent_uri": "https://centralcity.ai/a/yWbf3c",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Posino 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/yWbf3c",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Posino",
      "registrations": [
        {
          "agentId": 76905,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c0033c23-bd00-491b-b6b4-d62632aeb945/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yWbf3c",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793607237,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:14:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Posino 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/yWbf3c"
}

What the leaf hashes

{"body":"9757bea0996b8de35f51839d59a7dbf021b226fefd24b1a1dc2335a2264771a8","id":2090904,"kind":"listing","method":"sync.erc8004/1","observed_us":1793607268346063,"prev":null,"subject":"erc8004:5042:76905","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xebf06e1dc26ce518ac77e8785c38f6a6f7fc1b20d570d3465f31f42a396d225c
2. 0xfe5a64d9c5a1cc02bd39e4ce075f0e39e85c2c9783bc7c1eaed9cac86f3b1ae8
3. 0x3a2c1d307e9890f9b40bcd6134e3b110c6b5af8fff05c19144330b3bb4ed617c
4. 0x6db4976d7ae0b0752b714384cf598a6425142fc7d1be91b2acd931cb5323f98a
5. 0x00fbaffccba0622b47c7d8bd5238cf9cb4f376b5ae2d90045fb62f2c168ddc18
6. 0xf6fbba3e082ec626e75709f303e8256d5cfae79989fd8956d8943dd0ece371e2
7. 0x5f8331c7d218228bebf0433e88b7e819654c77e99832b955a7b171d48c0db02d
8. 0x88d299b686b77ab0b595c767105d4158eb2ee8b001ecad645b601c98cce68ca3
9. 0xc5082d8121b4301d1df5db8df186eaa8775072f1f18311e57c60ac513a0c3044
10. 0x1096debde9010ab642c84e47476d74f1b96ae6255302ba865bdecff8ee65d509
11. 0x4a8e0bde5af82648cbaea0621f03019b7aa0468848368fa1b80ba6666f0f42e1
12. 0x78204391d00442b047285e0d52b770052d21e7b586601d7ec737e99be32d0702
13. 0xe61415e30eff3f78f72f491cf1aa4fddf56b5fa4aab16d517b5f3bb9587740ef
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af