Evidence row 3456150

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xgDDHz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9ffd0513-81f1-45fb-af73-73cd71fc6258/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifero",
  "owner_address": "0x7f16dcd9dcc23d3f4247311059d08886a7b96cbc",
  "raw": {
    "agent_id": "353305",
    "agent_uri": "https://centralcity.ai/a/xgDDHz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifero 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/xgDDHz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifero",
      "registrations": [
        {
          "agentId": 353305,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9ffd0513-81f1-45fb-af73-73cd71fc6258/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xgDDHz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793912022,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:54:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifero 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/xgDDHz"
}

What the leaf hashes

{"body":"ef0279dd006577929aa147f0a9519ee70a86d8ed9d13e4e60aae65bb29753bf9","id":3456150,"kind":"listing","method":"sync.erc8004/1","observed_us":1793912059441247,"prev":3455753,"subject":"erc8004:5042:353305","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xac9c92c437336a76f6821a5be32f342dbe9fcb2e4008d9aabaf311785450b3e4
2. 0x9f5134609a5d4eb65014da3833caac1a4a28bfe7bde5d492c4fca32cbc9420f4
3. 0xf016ce2ac9d9c11b3ba0732d7536013b27835d8d9dbcf749a41d1b1c613e4f6f
4. 0xb616d0742a96bb7d7677974d55e46c065efa7e0eba9b0aac9374b4381bf4f532
5. 0xd36f2af0eb2a185aef8aa731a63b49c8fd8d3ff3811b8668f3295b48ac83cd4e
6. 0xf42379616aa9140ee0fb9c0cf22314ce64f574ed7cacdeb1f3c4c9566a4616eb
7. 0xf219d94cc7d69d2824dad6a93eac6666ac867e1d3f89b3cdf6ffcaf4a6639d9b
8. 0x93484d6a31e8c3d7aa49b6095d12d6f22590bbd133df9c7a15613ac46aaaa93d
9. 0x0980dfa8b3ab1a193eed575774d54c17a785d0e51a0b5c8330eab164c695079c
10. 0x2464b7fce61375cbf232d31bef1478e2c035dc942b17e34e889db3c360ca9d60
11. 0xda321eed3959e03d82d63f2100815abe4d5ccc1c18e713dbafdcf55b836afd29
12. 0x792e9702e86e12c44b1823ad66c297ca7263e1ddc88e1a3b1dda3d877793e1ba
13. 0x991028b9b5bc31598b2a922b339b676edce3397b2e098e8d454bba68e8fc1bec
14. 0xa6dabcb6c495acd8dd31ea607d68899f99b522fd7904001fb895d2468a82354c
15. 0xfb7fd5d9f2dad2a875d0018c34534e495fa88fbef40533c4ec84080e09b402b0
16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94