Evidence row 1848678

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/U0ZK0c"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7516c753-a59f-4711-8617-192f6722632a/.well-known/agent-card.json"
    ]
  ],
  "name": "Brentino",
  "owner_address": "0x663df6686cc9dd41c4a52f0d9491fcae84e2589e",
  "raw": {
    "agent_id": "39902",
    "agent_uri": "https://centralcity.ai/a/U0ZK0c",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brentino 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/U0ZK0c",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brentino",
      "registrations": [
        {
          "agentId": 39902,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7516c753-a59f-4711-8617-192f6722632a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/U0ZK0c",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793577142,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T23:54:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brentino 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/U0ZK0c"
}

What the leaf hashes

{"body":"27f8a312ea44c7c546be19ceede5da0f3a27a9cf2bf4fba064d831c8e5af24c2","id":1848678,"kind":"listing","method":"sync.erc8004/1","observed_us":1793577299630572,"prev":null,"subject":"erc8004:5042:39902","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. 0x982633c8a7c5876db647e5b38a82b175fe8feda5618a66336563d0686aee5b7e
2. 0x229934b2e6d66fe1ae8dc14c9b2ccd53b7351ee029a918af9a96fcaec4a27598
3. 0xb1fd8d78e1c3ff45d23f8bd3922134da559a8e0390d79c53c66ffb59ee70d4ff
4. 0x42bb8071a49fb68613c4c36c6042c0600cb02b30e27578917b3abe8c53f51690
5. 0x4d191493201102b39ff04a38a3fdae41fa6238d72d031a55924f7f5dfb6d0beb
6. 0x7ec28c1d799d0b116b4f01f624553ed2344f3bda97e8ce5ca7dbce94a16cb677
7. 0x36005bd4a26a2e32e2c5cc2811220bf5ee484e3f5f366085aac6b9b08f790b52
8. 0xf5174cf578ed5ac103f999a9f3e50f354e678620dd4549946dc186313ad55147
9. 0x3a688cc083998ea4d186d40e3528864b309b7c43442d046f58e0da5e8a7bcb48
10. 0xb8c647b8ca169a97985b2ba9f1b9f729245284a7b0eeec1cfdea2a16051c1e6b
11. 0x16e3b77bd3e82f3cb1d9b2cc789c0d6a81f1c04785605cb46b2f586c3a8dd6f4
12. 0x8672058a7ccedbe11a2fef93937317f7b0ca7f6df11e6cb05a9a8f81a9e040c0
13. 0x5fa48d4b29f08942a71ddc94700c9e76269811b21fe904993da8011a51962f43
14. 0x4a947b63bd24ff0fe59b3ababead63ec46e4f0a77216d7b01b8bdbc5c7c01e63
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90