Evidence row 2603862

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vBIb0J"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c021867d-63c6-41f5-8349-8654dec24d3b/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostert",
  "owner_address": "0xff10de281aa0657219392db1c627fd2b924ab323",
  "raw": {
    "agent_id": "190774",
    "agent_uri": "https://centralcity.ai/a/vBIb0J",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostert 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/vBIb0J",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostert",
      "registrations": [
        {
          "agentId": 190774,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c021867d-63c6-41f5-8349-8654dec24d3b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vBIb0J",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793719370,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:26:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostert 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/vBIb0J"
}

What the leaf hashes

{"body":"73bfbdb5863d0cfe92845b75ee407de56976f9d1aba81054c6a39ce90ea5e2ff","id":2603862,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719594540880,"prev":2603624,"subject":"erc8004:5042:190774","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xdeb739a70118dbfd2183035f3f0bfef14829638ae393b7e7067443c9f1afff30
2. 0x79eae4e3794020289ff87713a917b6df561dfd951c1638489cf1d4e7bfcb2254
3. 0x32d799f146463a0899ef2010b0d8b1776af5062cf6e70a837de55f934a6252fb
4. 0x9bb8dc8b8c714fd4fdd638057b0df96f698b3cf3a725b370bc0ba6cdcc4bfb57
5. 0x0c3371005b74bc61d19d449794a17612c9c6f6b6564349e820b39ec9816b8aff
6. 0x5441f6542f4db85698a951e46bbb86af653d0d37bd320e8069775e3f056d7006
7. 0xe87ef966fc2885d1ee63360514f28dcd3252d03d3401246da6b88e7f23dfeffd
8. 0xef5e01565d0a8137dd10dc52d62eef2d6ed8b6dce6669aca189471fcac6a26b9
9. 0xb55ab3eb726a51d1af54a66315841b12752d61d91475bed2e1cc4d7d057c5cf8
10. 0x0f5484b35f0ed88911e94493ddf3ec4336ac6c2700bf5a5f1a156ceff1d3687e
11. 0x2a7ace543e32bd3374c4467b98a3f96d654be1db8523c912959e8a86c15f7fdd
12. 0xa92218ceaac8df96cd7b3daeaf7a508c73c3e5619ecf8a1ca6085cd3f287b228
13. 0x4fb617b3e5c633b66745b02140beb64580164cdfa6188d729cad658ae1950304
14. 0xf325d91f08ffb7f78519bd5f04dd572a693eaed62aa76d674f6e757bd5f0f276
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7