Evidence row 2110407

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HebsuF"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4960ca1a-9761-40ee-b29a-f6721debe820/.well-known/agent-card.json"
    ]
  ],
  "name": "Biban",
  "owner_address": "0xaf9d1a44d1d15a11f1c40c03b00c0013707756e5",
  "raw": {
    "agent_id": "84203",
    "agent_uri": "https://centralcity.ai/a/HebsuF",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biban 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/HebsuF",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biban",
      "registrations": [
        {
          "agentId": 84203,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4960ca1a-9761-40ee-b29a-f6721debe820/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HebsuF",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793615174,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T10:31:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biban 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/HebsuF"
}

What the leaf hashes

{"body":"d03231c242b32d6dbff5c71eed08d25a22f8ff48e2252945ba8ed4849e74b848","id":2110407,"kind":"listing","method":"sync.erc8004/1","observed_us":1793615487216796,"prev":2109941,"subject":"erc8004:5042:84203","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. 0xea7c939c82e2b8f0cd7fe327971d22414d71c87a97ee36e20aef5bee2280a845
2. 0xb4095728d5075cc9e9dd59abb66e05d02977a25131cee09a015ff6a3ce405f2b
3. 0x5e93432fb27da0e4d4dacd9124fc7de1234910ab4b072d2f0b74911682afd4a1
4. 0x8b17df3035deb277e182f08a3de66fa6c2f9e3a35d8ca5ed358e8ecbd4f7a35e
5. 0xe209627638d62c478da3c8c74cbbef0ccb4b161e2e563e2bb9c375dd21f46563
6. 0x26683fdf8197d3073f3d062bcac4aca139ea86279f57f901e705fde613cd5719
7. 0x404130e97d96ee0c84e6979ec6d2c642ad0d32718bf344aa5067ac54b5a44464
8. 0xbabd507df8cbd4f16c86e8c34d07de9e0c339ab3d1e1c942f95e2b90e77739e8
9. 0xa72e1812fd5b62f43fbc3d0307d7bfcddc8a3ead23966035beedf19b469a1a58
10. 0x1daca82cb27b471502e9b166b7f075da5e023ac5ba652dd8f1c32c73453a2858
11. 0x8612cc730626cd6eaeb2985f053b96a9a221c1762d24274367fb6c5637472b69
12. 0xc179417f8ae1f11ae3d161c9b0dfda8c85fd1a0287b9cd9a92883e24030e37b5
13. 0xe61415e30eff3f78f72f491cf1aa4fddf56b5fa4aab16d517b5f3bb9587740ef
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af