Evidence row 1823294

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/otdvm4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1a452d02-413c-47ff-8c0a-2b97a14f9f60/.well-known/agent-card.json"
    ]
  ],
  "name": "Massus",
  "owner_address": "0x7b0ab7845768fdd725b9b7a49550e585c789e993",
  "raw": {
    "agent_id": "24697",
    "agent_uri": "https://centralcity.ai/a/otdvm4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massus 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/otdvm4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massus",
      "registrations": [
        {
          "agentId": 24697,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1a452d02-413c-47ff-8c0a-2b97a14f9f60/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/otdvm4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793565110,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:35:45Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massus 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/otdvm4"
}

What the leaf hashes

{"body":"7b212e3652f92e721bd5d397a03bd178e07f8135eda0b40fa84d19dff72cb3ef","id":1823294,"kind":"listing","method":"sync.erc8004/1","observed_us":1793565345839545,"prev":null,"subject":"erc8004:5042:24697","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x16d170e39fda6f9e02830b55a6e511a6e03d5d097487a78b17dcc3eee4ff0449
2. 0xd4b4c091fa383e43d2cd8485fcce0a8f47d3869d480d43f2a8685f3c36f4bbe1
3. 0x54998f21f513820b7723cdd3e128c1bd2dcf54c147d547c0d352d09d8799e27e
4. 0x1233ea07d764aafddd64be424599880d559a18661375699cd429d951028b304a
5. 0x8570bce856c8d541b304a68adba4fa828eac9d0b655097e37b6e9ad98699b343
6. 0x04880d57335edfcb3743e194f548110b895617321ae478aae31ca50fa3ab7049
7. 0x2b63338f5b25110ccc4263fca61f7799904a3f9159a158152f9abe5621fae3c5
8. 0x003b6c77aee60be6fa97ef0f7cc77aa058fcd856b9e6c5af79312b30057a6bb4
9. 0x42274b84cb7e718ec322c45fc19bb286a0e1d7264573dcb1be714ae5689f37d6
10. 0x89e96b15ed0aca66c88ef7dc858d7407c42c3b1bcd85ce117862af02d23367d1
11. 0x1fd4ba042b7828c4e4bcb52c9fc7c5174c5dccec2e856057594851aae0045130
12. 0x146316976b7ec4583b26232bb6d8121bd01137743b2d16993895d49d09e8d1cc
13. 0x10405c22dbe2ed0ca6e6cc381b8fb16e2b184181ad6bf0dbf94a86aec4f16b97
14. 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90