Evidence row 2278571

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7IXXyD"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9849c522-6171-43df-9115-a461b6d6c575/.well-known/agent-card.json"
    ]
  ],
  "name": "Nioston",
  "owner_address": "0x992b09dd6099c3aa5993b8d0bd878e8adc64c49a",
  "raw": {
    "agent_id": "132518",
    "agent_uri": "https://centralcity.ai/a/7IXXyD",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nioston 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/7IXXyD",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nioston",
      "registrations": [
        {
          "agentId": 132518,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9849c522-6171-43df-9115-a461b6d6c575/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7IXXyD",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793653119,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:59:56Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nioston 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/7IXXyD"
}

What the leaf hashes

{"body":"9d2a3231cd11e04cc2e708548061450a3eea5b4f49a1764f26a3f0494faf7b52","id":2278571,"kind":"listing","method":"sync.erc8004/1","observed_us":1793653196996155,"prev":null,"subject":"erc8004:5042:132518","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. 0x276a503269919c51a5822c99d154e842998e5e27d81cb56ad4bad8488dde221c
2. 0x5f30eb3c62d79fa95d18e8fe576f34ee5dfe5ffa37f8750ce31b7ac2b3437ccd
3. 0xe5c863fd2a8353511527dd9400e717178954dd45cf33f73e2f17a191989a9263
4. 0xe9a93f4df26df1b105150be61c397f0f5866a652d2e77668e0a2caa1654be8bf
5. 0x5dc1371e11901b6d0e46efd8e3b7170938f57e94f287becb17f9c6aed1b53778
6. 0x897fd300564a3088737fed4c8a5483bb92abccef201bb8d3b1b4bda64b7bb93c
7. 0x84c72d1213edb07fddfb531b6866b25da0a39a91aab082bfc061b0ee01619f36
8. 0xef4ee650c13d50720b0e18eb0e8ce38b2531c61a9926780ba822448cdbe244fc
9. 0x7067cc6e75e1703c4c688974a914ac4dd224e35baf0d1b5df577a32465d3dba7
10. 0x79ae55366a91a5f0a0231e8b4ee3b3b775bb6c749d00e5ed9fda948c4f878ffd
11. 0x276b89ececa89d19c603158dd4daa7e245dc20167d3aab34b5bbf4a72dcaa7c1
12. 0x30c69c4e48cdef428405637e6d88365f3fdec762798505e86a1433a12aef6112
13. 0x5b0b305b931d60b176fe691af870b79057a88d761c8f0709f7516abe01b03974
14. 0x8d443fc9063dd9f00f5f7476005a8915a8222f4611f5601e212bafbdbbdd6165
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af