Evidence row 2050209

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/r1090j"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9673f92d-dd38-403a-aa83-d131e8cc4ea4/.well-known/agent-card.json"
    ]
  ],
  "name": "Gretjo",
  "owner_address": "0xde20fb51ba85c6e796fa8f30168a34506ff1796b",
  "raw": {
    "agent_id": "57943",
    "agent_uri": "https://centralcity.ai/a/r1090j",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gretjo 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/r1090j",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gretjo",
      "registrations": [
        {
          "agentId": 57943,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9673f92d-dd38-403a-aa83-d131e8cc4ea4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/r1090j",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793591492,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:53:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gretjo 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/r1090j"
}

What the leaf hashes

{"body":"feeeccc9148cef741da7c195459c4ed60de774826ea61f5e0c505aa36692d5bc","id":2050209,"kind":"listing","method":"sync.erc8004/1","observed_us":1793591590575698,"prev":null,"subject":"erc8004:5042:57943","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. 0x25332bc34558fc263a88dbb814c2ac60550317176e8153885cf12d2bee8b3b70
2. 0xb8d3ae617e69166a1a0d4747d46b541fd1a85b27d974814406bd01227548b75a
3. 0xe7932e7b3ff67fbd2e065a338072ad230b302a46f46b11a31cc75096e962760f
4. 0x30d6f4505fa981ebbb632337177dc063fc2bd396fb0271b31a0d7e8566a9ce65
5. 0x17d57fc0da7e262ab0629c994f1be9c224aed931cb1300c69c02fa41aca2a1e5
6. 0x414b1f976c99dae72e903b6034a23ff6cf07975e1de570a6847407629306f961
7. 0xec29dfc3a1dfebe3db70c601ed02d2619782e2ecab3d7d6ddedbdfa4897f5b1f
8. 0x7a134abece74e7857f09bbc6b82315b6b29047f75a076113dcd58b0a5b10aa3c
9. 0x31f0ff6870ad79ab942fcb65d27cf17c2c2809b2631dd5032a240cf0ff336630
10. 0x71e8ce7d980354fb390c3f4e93d7a6e5d172d7904602629b1fbe18771843d31f
11. 0x55fbb4e5137a3107d7ff9a1fb525e066941985dbe94bde4234bb858e5feb1d0a
12. 0xd6b88cff77a43bbb482bc140d33ea0b9b182181e2a91a94144ca9887aa146c07
13. 0xf93fa2cd854f8a27091bbeacf6b201fd8e00bdda94b33ddd84474a8e39b2783b
14. 0x401f99eb33c3aca7fb1835eab8a9dc02765c5e3996fc9560617f4be6c7c50067
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af