Evidence row 1820417

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BsJZfV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/014f04b0-3cf3-4db6-9f66-e1dfb06b37f0/.well-known/agent-card.json"
    ]
  ],
  "name": "Nassan",
  "owner_address": "0x9a421f63c8b55553aaebcc39a9d59a2229270752",
  "raw": {
    "agent_id": "22797",
    "agent_uri": "https://centralcity.ai/a/BsJZfV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nassan 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/BsJZfV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nassan",
      "registrations": [
        {
          "agentId": 22797,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/014f04b0-3cf3-4db6-9f66-e1dfb06b37f0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BsJZfV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563619,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nassan 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/BsJZfV"
}

What the leaf hashes

{"body":"fb16807f3ec3e81d7a686a8a38f91a3ac331a7cee00c60e879a22c07392dbc18","id":1820417,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563954548291,"prev":null,"subject":"erc8004:5042:22797","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. 0x19ae0f2d22c2aab67539f9c702de03c8bf3d1c1b7b12b9a58b79896f1a929350
2. 0x774418a6b5492bdc3277b5afa25298393b08fffdc04311013f205557ce990449
3. 0x4b106c0a741edff925f369259cbb9d0ff05f07815b5caaf74e893bc5d17a0423
4. 0xde47a6bff331eb580796f3b65081ba2ce2c8c187926e41566bc5e2cc42bf5174
5. 0xd2981bdc517beb879ccc36b786a13e46359ef3ed900577cc0593865274eabc8e
6. 0x0dd7f724c31df133040b29ab3b3e048220b304933658fc26a7b22df61463225f
7. 0xe0ae5110accdbcbf84a3a96f4ff6b509fa0118e3889a8cfbf2e126dfcb49319a
8. 0x6db4b54b43c240c1c5d42e81f577e7b09eced09219346ce9382f52faf2fdf0ed
9. 0xb5e94e69fb9d11f451f91f5edd0db58fb858e1511a50698b42a7541a98415fd5
10. 0xb8ad24b0e49b7fef81830b2a70eabd8b3078e04c6b267db43c59fdbf7c141f6f
11. 0xa13c8381c50bd1518cf66729b12ef47f9789d527edeb8e94a155a6169f83788a
12. 0xbc87c436160871473fe1b25793d3a9e1f28feb14d3406224c45c430970d25db2
13. 0xe932a6d750c9158a9531e23362139f67f1dcf32cd64229987581f24d7a22fe71
14. 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90