Evidence row 2124592

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GR3yzx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b4bce222-ea10-417e-a88c-6952697f0e03/.well-known/agent-card.json"
    ]
  ],
  "name": "Niastero",
  "owner_address": "0x843a174242f86e39b40d9841943faa9d1f23d6e7",
  "raw": {
    "agent_id": "90502",
    "agent_uri": "https://centralcity.ai/a/GR3yzx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niastero 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/GR3yzx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niastero",
      "registrations": [
        {
          "agentId": 90502,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b4bce222-ea10-417e-a88c-6952697f0e03/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GR3yzx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793620114,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:50:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niastero 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/GR3yzx"
}

What the leaf hashes

{"body":"92291dbffaf3d74a8de8d368a6c4f0a5ce222dfdac41cb607644a632774cda24","id":2124592,"kind":"listing","method":"sync.erc8004/1","observed_us":1793620251520893,"prev":null,"subject":"erc8004:5042:90502","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. 0x44a48d7fd93b0859cf6857c55f97afec047191d8c77197ab087e601f41e3c830
2. 0xc0ef0d9fc8d4ffcad659658304eb60834a5c41c63608ae7f9b388c6b982f8616
3. 0x74522efcb06357dc8e5acd3a17fbf26a1e427a23355552827b47b664e0d9b0b8
4. 0xda4afee270879bbe3c2d689328c4981ba1b25f015fa804968835c1df8497d7cb
5. 0x2cd8fe5f9ff964fd5b5090a5b445d0fc8558e7a4ebe5f5ac4bc2cb56ab51c8f6
6. 0xb6404b9437b1264a0ba8f818177c53603109977de70aaa30ac3e8eb24a21b36c
7. 0x111b3b8d05b1dafe026c37d08b33d6bb996df1a5e18962366705696ae2da2438
8. 0x8ee7c6f4d896664ebe35d7fb226ab25b18d4d460f122e8906197fc7628c8cadc
9. 0x3e5946fb5f8ce9fa4e73cfc75bcda7c60918a1a781e3fe2474621b49fd5284dc
10. 0x74eec6890666dca5773eca0fee354576562bac7e5e54a24138a386f770dc4531
11. 0x9b52af3861e436015165f4843e485a2a987ca3915ca3ea656173b5eeabc01ea9
12. 0xbc7027b08c105107379103e4bb6da46cb151f2ad9354e23245ef7a2991eacef7
13. 0x95a273bb8932dab7d9961e32e3d3be866bd51e98c7772b268db2595e5869b5c4
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af