Evidence row 3390254

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Q3fyVn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1b4399f7-0402-4bbd-8211-c270bd3a0695/.well-known/agent-card.json"
    ]
  ],
  "name": "Tostani",
  "owner_address": "0xe174fff5350590e0692a7768362f0e5238b5f54a",
  "raw": {
    "agent_id": "326635",
    "agent_uri": "https://centralcity.ai/a/Q3fyVn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tostani 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/Q3fyVn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tostani",
      "registrations": [
        {
          "agentId": 326635,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1b4399f7-0402-4bbd-8211-c270bd3a0695/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Q3fyVn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793879402,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T11:50:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tostani 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/Q3fyVn"
}

What the leaf hashes

{"body":"4bafaf70b384831c0f6437023105502b67b971f7d43c710d85c7e41add52dd97","id":3390254,"kind":"listing","method":"sync.erc8004/1","observed_us":1793879443645767,"prev":null,"subject":"erc8004:5042:326635","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x1fe7dd01b1a0ca4c1b78a72ff0f9ac0d3fec9e7d9d842d9ec78c5e34b134f64c
2. 0x6ca66c2f92af827828a1e6ffe47b8d8d89828825a580279c672c938aa3e58782
3. 0x3a040cee6daff231f31e2689114c39ca99a3902bdf8708f7eba28a8c1047f838
4. 0x51ead69a6dad26f6462256eb9cc0c5191909be513b9b00dd0c4f182686b7249f
5. 0xc94e54fefa8fa86e6ef32503a171a8c2f1c4a8371105b2e3b16800da611ef6ed
6. 0x4e9af39d39dea4595db797420a62d701c3d5232698ba9a6861d8460bf74424ac
7. 0x281b4ad02e3b23afae3fa13f71c720438379e773d8691fdfe68458658c95f4c2
8. 0x45a7c092d003f25b113b82c92de82ace55e97b085dfdc9549648a5ce61498d06
9. 0x07fa52c9ddd23a2aa5105b77eaf97cf641c30e9c3fbbd5d28e2b74c4a0439abf
10. 0x6112439409fbef2ea7c1c254ea7e90c89c282189208461f68501e8fa38fc17c8
11. 0x7a39757a44370494f35173fbddde2d08984cbb06c9dabae2c152c9cb9d67867f
12. 0x1505a032068656c40341f20408269515459fe1bb38bcee00e0bc96236f75936a
13. 0xbd3acddf75475814d59aeac38580c039a4fa767c6e839fcd1e04f6f1a9d6b6b0
14. 0xdd6fa898dc2d1128c5a90a4bab70abf6cb81c974df099096ad3573f2fd245ace
15. 0x7c0ecb381cdd978337dc5ff40a1a1db43aaef42628e17d5c85ef5bf173d90fbe
16. 0x0009f1567d5c3f52d167d3c95d53c71fb66114fc26e83679b452d6db2f1d0b95
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94