Evidence row 1829307

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QthYrT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e5b29c47-f010-4802-9440-0de7c9b9f2cc/.well-known/agent-card.json"
    ]
  ],
  "name": "Helleon",
  "owner_address": "0xb501f78d168d3e299c5a3def674bd4f7e1aca33a",
  "raw": {
    "agent_id": "28308",
    "agent_uri": "https://centralcity.ai/a/QthYrT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Helleon 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/QthYrT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Helleon",
      "registrations": [
        {
          "agentId": 28308,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e5b29c47-f010-4802-9440-0de7c9b9f2cc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QthYrT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793567984,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:21:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Helleon 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/QthYrT"
}

What the leaf hashes

{"body":"904a4be97c5e2f483a7f1d4f2c70f280f31946d69cdcfbb98e5d5f858fb28a72","id":1829307,"kind":"listing","method":"sync.erc8004/1","observed_us":1793568076338615,"prev":null,"subject":"erc8004:5042:28308","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. 0x4a6bbfa2b0758ec0177d48befa08b97876ea9ccb721752673c76a0b5ddd64a49
2. 0x32c5f4d35003eee21885c83d37cbcf567318b4b3adaf580b0dae3547ce58d92e
3. 0xf5806783494ff0a756a2fc555bbf663076b734bf25c5d272d27f4cb644450d71
4. 0xb1a555e9622ea1e764926a2ce39c5b56afdc42823b6f4544849a0f9d5145c43f
5. 0xdf40fb95ee56b6f5c063c099c03e6a9606d5d8b15d1c8e69734ac7c176cad32d
6. 0xf9c72c7845b3d64f02c2ebdaa22976043510dc7b4f689839dec558a3c5d9d24a
7. 0xbd6539bd2f0ec9b71c9a95ef8cc2c701ae1183c3ed787fd1c8240b9e0f0a42c2
8. 0xc62fe145397b818d6f573d168c7c71ad0d6540d71e89dff7bdfb4cac02055139
9. 0xb8c7885478bba0193a6c5e92056b66deb6932b395d682de1e641b267eb069e73
10. 0xd9f56055d0176c5132982f3e71edb530d484a1088a90e61bc7484ac26de9d920
11. 0xec24b9c01de1bb4251b9c4a6b425fcc7ef57a476cf361c8c9a5e20a8ed26c7c8
12. 0x216487fdb5812387ef5bd703d60ea8f043773d5db562b3ff2e11dba79509bf1b
13. 0x8aa214258cf763ac22ad2503df59c82b987a34bdb8f8ffe282ed4454b90f50bb
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90