Evidence row 2157275

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VylcqZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ba2da956-2454-476c-abc6-c302066c0938/.well-known/agent-card.json"
    ]
  ],
  "name": "Kozik",
  "owner_address": "0x524ac4a079878a932b0bc293fe954fc5ca1345be",
  "raw": {
    "agent_id": "104412",
    "agent_uri": "https://centralcity.ai/a/VylcqZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kozik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/VylcqZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kozik",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ba2da956-2454-476c-abc6-c302066c0938/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VylcqZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T14:39:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kozik is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/VylcqZ"
}

What the leaf hashes

{"body":"5778c91397438a4154a276eb80ea391f8259b24c4ec3e21b6bdb0a8e7626ea4d","id":2157275,"kind":"listing","method":"sync.erc8004/1","observed_us":1793630356787271,"prev":null,"subject":"erc8004:5042:104412","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. 0xa9bd5db3f7c725b1a955052d4cecaf08da09057813fe740e8efef240bb17629c
2. 0x944d0b7b45ac7c5e5feacb7a880d4ba9da7497cca00e0e55574a37836e855c9a
3. 0xbc8af1373c5435944c517e980b04d6127c5c45bc2ad662fe5dbfe8327da49ef9
4. 0x9c3878db7e4d6bbb478fcb89677b4b6da9681124bb62bfe25d1b1c2c1a11e0ca
5. 0xde4e5ab6eea0f28470cb72a4f0e25074195c5db85fca35fa10589cb3a94971f3
6. 0x3ef9d21b4fc648bb694623ce6ae391ef5aeb9eb74b94004c201138a0e8e15b27
7. 0x31a7590f2eb189719857a07d3b807930ac3df85dc910ba203d6fc13ca984c08d
8. 0xf2c8aa4ce486ba47b893933d0fc4f5fe992df33a9ca9c250ffed7b1762a36620
9. 0x42daf877da87c48bd58ae16e25c93bbeae19da47627e807777a071034171af95
10. 0xa8f19c2ddc4beb7fcf7f4daffc81d41b5b97e2a970eee26e5fd2e61ca3a9db92
11. 0xa78bc408c25c16a5eba1c78802d78a3e1de7d694f3e36af7d0c1afcf6a23b68d
12. 0xecb2b1beabd76534757e66312399858ccb35ae71884df60c160786e26591e83b
13. 0x0a8f32fa56d4ddb69ff176883beda0b0217f66ec9bd09c11cec95d7ba5f6c70a
14. 0x27deeb1ef1692b4773e73c16b6d8d0cdf4251fe2660821e5336f57539770fd2f
15. 0x793184605629cd36ba80a07cbe115ca35e8923297bf024260c6f5c06b255f638
16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af