Evidence row 2030914

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sSgrGN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/846933d2-f564-4099-988a-25b6b7f5cfb0/.well-known/agent-card.json"
    ]
  ],
  "name": "Nosta",
  "owner_address": "0xe301df9d841d550e4bb7b7c68e151ace3dccd3d3",
  "raw": {
    "agent_id": "48286",
    "agent_uri": "https://centralcity.ai/a/sSgrGN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nosta 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/sSgrGN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nosta",
      "registrations": [
        {
          "agentId": 48286,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/846933d2-f564-4099-988a-25b6b7f5cfb0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sSgrGN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793584027,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:50:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nosta 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/sSgrGN"
}

What the leaf hashes

{"body":"02d1419db092c9a1f03943c1ab950a53e0779b4c527312c145a8321e19405b8f","id":2030914,"kind":"listing","method":"sync.erc8004/1","observed_us":1793584257109189,"prev":null,"subject":"erc8004:5042:48286","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. 0x567f02f1759a684e5cbf1becf216acf9c3366d587ee451c98a4279c1932d2b6d
2. 0xdc5d8ef2fd7077ce9d1845331011bd4bad829378b00a5b46e7b7f79e4ae2582e
3. 0xfc97cd11f3db24a6b8f9438f4a1fc4abb82d4a8a752e5c4f944cd565aea1323e
4. 0xe756c4f6a8583231380296844e2087af1a0ddb9cfa51d33b5532746e66b07cb0
5. 0x16db815d301b0445e6bca0960be29e9236e9b8804241b438dcb1bf1e97507ca0
6. 0x8360feacc74dcd50b11b391e0021922bb063737948aa2cb422175e9b517f0e78
7. 0x8fccd90708bb611189856282aeaa3a743c4c2abd2fe87a5acd8b0b9b16cab9dd
8. 0xe3b4edce80d75e0165dbd09272a3687a961a9172b21231f2e4ed284558b12a8b
9. 0x43049ee9fe157b473e0f79339731482efd67dc429cb8b8119e52d500b773be3a
10. 0xd869d5682d486bc1df86d8e9978407218fafd34f6fa6dd2e3b39a6b7cd8079d4
11. 0xab9a1517128e723243d9958d6c6231f966027a9c6fc2768f9ecf8c5fb4ecb1d3
12. 0x2727e7c2336a75a0876e84ae6f327ace6742a4c51a4090c4df7b9a7d293da742
13. 0xb5b32de12fac3b68a23088b6007f1052bd84011d7da80663c8664b4a4c7bcebf
14. 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af