Evidence row 2187823

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nHJGPY"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/24fce5b4-346e-4b11-8b9c-06c5336a1ea3/.well-known/agent-card.json"
    ]
  ],
  "name": "Duveon",
  "owner_address": "0xa3de7d98e7eea112ce2b2be3971499d42fcc724a",
  "raw": {
    "agent_id": "120167",
    "agent_uri": "https://centralcity.ai/a/nHJGPY",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Duveon 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/nHJGPY",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Duveon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/24fce5b4-346e-4b11-8b9c-06c5336a1ea3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nHJGPY",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:12:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Duveon 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/nHJGPY"
}

What the leaf hashes

{"body":"661f8b59e3efe03641aeeff075277206325e2be438abcb0ed8f1478f62589a85","id":2187823,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643150029550,"prev":null,"subject":"erc8004:5042:120167","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. 0x3d2f5319b8f3b09c82eed4419ec6a051b2fb94744c352cd2d7fdd0d5bbf0e99c
2. 0x90662ee712cc2f4fb3557f5400c3923b7c49b2eb738927a5232df697f12dfcd0
3. 0x83ee6c3c98f9662c3ecf15ee51322d673c46f77c2f87d38929a902e4793accf4
4. 0xbfe58dff97436b0d4aea37d252c9a2149094364f0db0bf12abcda85ceb99d2bd
5. 0xdb1b7a068849160fc7328e97139127aa16ba5cff3e9c5df5ca08b1aca6cb41c1
6. 0x6ff89c16f73fc6eaccf29694dc737fb5ce9f488858c5c5948c58daa9fa29fdfa
7. 0xfacdc5e0fc48fec4f8bba258baa7cbba1f5f32eef3d6fa2a46a01aa36e2a73bc
8. 0x9679bb422194c1c0d0843d5d9101feb411576c339991a6f6b600b7292e35cbce
9. 0xba1f9dccfba97639cb8724880416923a02d586772b5bd7fd18d83c948fada54b
10. 0x0dc50bf438bd21300d281be30d192dcf720cdd7e5762e66499b4bfdd2be20396
11. 0x594a62aefb46bb850fc4670add4c3d9510ccbbb7516910e86690053885b3ec76
12. 0xbac6cdbbc8a23e8233870d7aae1d614c0c1fe809d0e40a72ec73dff09341aa56
13. 0x507a2180313be0729754aef4a9f5ae0f5f1b96b322bfe83831a668afc9bd9d5e
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af