Evidence row 1783534

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/eJYO1s"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/28fa3c2a-e5c0-4939-a47f-bab218ebc49e/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosso",
  "owner_address": "0xd2cedd09cbd9e3f3c60ab6c1a331a66bd52cbccf",
  "raw": {
    "agent_id": "17531",
    "agent_uri": "https://centralcity.ai/a/eJYO1s",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosso 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/eJYO1s",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosso",
      "registrations": [
        {
          "agentId": 17531,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/28fa3c2a-e5c0-4939-a47f-bab218ebc49e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/eJYO1s",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793556940,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T18:16:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosso 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/eJYO1s"
}

What the leaf hashes

{"body":"e6e52f7bdd4e80d6159153ccd28bd1412ae5b9d44b7ddc3e43f48869139a77e6","id":1783534,"kind":"listing","method":"sync.erc8004/1","observed_us":1793556969468611,"prev":null,"subject":"erc8004:5042:17531","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. 0xe840fb85022c209b3dfa5c7e0e71fa2e2199ce89517cae7a66cec0b3021dd495
2. 0x775cc8e3610ef28ea5fff4ddc1c9debc801713f8f0fcb0955fe6a5bd8f6e167e
3. 0x551f27b838108c4e265b5a9c491320c5a04a07adfb3c481a7caea8e8d92e6ecf
4. 0xafefe47fb626f0a0b98804e09db93283596554007f525102d8825129aa32cc49
5. 0x5a709e3c6efb1f13edb94e8a9b1a1f3965a0a94c014efb55ad94a742377020d0
6. 0xd853e62cb904c1d4ca51452fd37ccb197a088b9d06b2e467b3b38466a73e2280
7. 0x6db589d994083d59b1a8ceab3cbc2a6002404d0e757b9d19d3ed160ee63b4ae4
8. 0x87d4f0f2d9e3bb334f25966070b53e507a908ab3487c06efb5772653d0ef1495
9. 0xa2c353dbb772ccc489b360c701e40d2152d82d30c3563cd70351a555558d0292
10. 0x75005b2b1e5901c95255e48466ee73596ea817a0ff95c1f7ab5561d070276ce1
11. 0x5eecd291a5c25a115db49db9565629f020654f3815165d348fa309e8568321ef
12. 0x88f388e99f620f52463bef8e2a864310e2482a28431e205d9b1869498e75a162
13. 0x2d4c132f554f691978e574150c9c62f9035c2116f17d214b64785e8513cda423
14. 0x08ed21745c44c46e78fecd46aa9c74f653629b2db356d3eb07ea5f89f52ed2ee
15. 0xab7a3fc66c9797d0e63453ae08b7e56806e93e038fb5c65065ad1ba1e1d9114c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90