Evidence row 2197687

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mjUSKX"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/90020351-919c-409d-a5a3-f8156d49be97/.well-known/agent-card.json"
    ]
  ],
  "name": "Febert",
  "owner_address": "0xb2f9ee934bab398be7b2db023d0e20d8e8a1e848",
  "raw": {
    "agent_id": "124896",
    "agent_uri": "https://centralcity.ai/a/mjUSKX",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Febert 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/mjUSKX",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Febert",
      "registrations": [
        {
          "agentId": 124896,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/90020351-919c-409d-a5a3-f8156d49be97/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mjUSKX",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793646359,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:07:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Febert 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/mjUSKX"
}

What the leaf hashes

{"body":"f54aee0f903c74c05c77779aaa6d59a36994c4ae2da0ddfee0106c69228af81d","id":2197687,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646442462946,"prev":null,"subject":"erc8004:5042:124896","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. 0x2047a9bbdadad5a557a904cc282da4b960a55f98560890dbaeb9ed50937f1787
2. 0x446bc84c79bdb5cec393e7857c3cf571f870fd40740514f7d3bbfd5032c34823
3. 0x8836b1a8682199d3aae504eec56ac4da9bfb0968605390fefee960dc30d844ab
4. 0xe18c63d181c6928c392d6daae69a322486cd5418f22b13f998ebb91a6fc4aa94
5. 0xc142253be2e3ea1e7a9b74b9214b6c3d753a52b780e156dd0959c3db2d5f6613
6. 0xf4eb45fcefab856a743ff111288176a7562a4260296ea5033eb03a357efa7cbe
7. 0xf7d7140a8f3b7aa616e17a68bccfdc984d58ffb158839165626bfc56a7be986a
8. 0xc8e4df3ce1be267b97318432fd91d2ca8c366c630a59e0305a31f1cab18206a0
9. 0x8d765c8de13daccea857603589173eb07af1323b9083a42b8d128507be003f63
10. 0x77195bb6b557f90aefae2fef9d3b4d7da760160d5fe6b0e594e50f129d8efb31
11. 0x193993dfc99f07e76a7959bf301447a777bda89110f903e9197b34093694d0e4
12. 0x0287e9d9530add05d7480c4266f19be69f45ecae1d0e3ec844ff635060819eb8
13. 0x350e03a59bf81961fd9ce694f08f9ba0239d9ea2496b0c0dc7998c9e9855326f
14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af