Evidence row 2098111

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3Nx12u"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d945e9bf-3da5-4e2f-b497-d68acf170ea1/.well-known/agent-card.json"
    ]
  ],
  "name": "Harkert",
  "owner_address": "0x6ff439c8be11cd8ce8d6ca36b4b9f95b9d1fb1d2",
  "raw": {
    "agent_id": "80020",
    "agent_uri": "https://centralcity.ai/a/3Nx12u",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harkert 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/3Nx12u",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harkert",
      "registrations": [
        {
          "agentId": 80020,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d945e9bf-3da5-4e2f-b497-d68acf170ea1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3Nx12u",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793609972,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:02:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harkert 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/3Nx12u"
}

What the leaf hashes

{"body":"2f106fb585e8ae9a52414c2974a61e6e58c43977d340851bfe3e8ac22ed53493","id":2098111,"kind":"listing","method":"sync.erc8004/1","observed_us":1793610168358532,"prev":null,"subject":"erc8004:5042:80020","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. 0xe28d5abbbfeed90aae697bc93e91e0832273f6cbdb6b93b3872dd35045c6ff26
2. 0xd3b0f0338277ed564da7ca6d96256672f5bd1fef16c7c6d2fbb7e2d86e6e7ef2
3. 0xf7c95b0b733398983e458f444a5a51b025e62f71f0dfe9fa226e207fbb834b97
4. 0xd039767249b241dd1bd8c0143c066732acfa5c1ee5f27d85f9ff7e30c33626bb
5. 0x4e289272be9f5169800d7dd87eb052e035f614e3a7d2c04c09361aaf8f914a87
6. 0x50ef06e12dbbfd37e69683a0a0a9b5652236b64674c418b06128f0c316428890
7. 0xe3183581f281c46f60a8279f35c82b80d86ada0155c7fad38d27ec0d08bf9687
8. 0x89e2bca9cef8b2516efb9082ca303d233c479f5c031e473799c9ffe4d32bd30c
9. 0xf70d9843dcb2380d5cd6ede562d1b13bbb8dbd9e5bfcd3d479294518c125af37
10. 0x10f3d3e791cea7b8e66d551bfc7071facc3f8f2922d9a546218a9884003a8448
11. 0x00a410cacc46001c3ad375a22b21ea741d3ca8cebaebbcfb24eb5a888caee471
12. 0xa425522b81e7f1b0749052147327a6c322a17427ffc07733771c29e826d80c1b
13. 0x5dd9fbf811b05f3e5af51f812b6eea86a039a192f115aecc0fd37a502e3a04f1
14. 0x3e441d3f53c7b69d6c73ef93d327dfc3071a522c550856540832b34fcb531738
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af