Evidence row 1833412

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/lT98ze"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e7e4a270-3dba-4a1a-a152-26afe34a5717/.well-known/agent-card.json"
    ]
  ],
  "name": "Niobitet",
  "owner_address": "0x4ebb0acb7d986668f2ad00df03cba608f15313aa",
  "raw": {
    "agent_id": "30747",
    "agent_uri": "https://centralcity.ai/a/lT98ze",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niobitet 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/lT98ze",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niobitet",
      "registrations": [
        {
          "agentId": 30747,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e7e4a270-3dba-4a1a-a152-26afe34a5717/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/lT98ze",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793569943,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:55:07Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niobitet 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/lT98ze"
}

What the leaf hashes

{"body":"c44c9ce8d7b36e753270399390eb2b3b70ff639a6b227068c07afd82aa1f8f28","id":1833412,"kind":"listing","method":"sync.erc8004/1","observed_us":1793570107065044,"prev":null,"subject":"erc8004:5042:30747","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. 0x4366f4ccb649d6bdf3b2ac1600969a292861ace0f5f7dfdac8f7d03b5c90bb64
2. 0xe675d24125ba83b149369d52151adbbfb03be809040648d37da85609edb052b0
3. 0x8a9733a267d4d058266bbcf4c9495d515f95acc049b05bb7ce3511b1075dcc51
4. 0x06b3bf4db43f385b41a53986fd301472b5b427758074c3c4adf99fe5a8189364
5. 0x73f84d939e7c7a2f43577cda7600df1c40b5ab8b3d7f387deb393bed239cbdb6
6. 0xed56b015769128cdb2a5621ec297544c5e75dd97550f5fd3cb936ec311823880
7. 0x6468c4f144435c3be89e66e369b32a1017407426c7d453357c0b46811ccd2e02
8. 0x37ae93984ba9472ab5a289a15888f2eb8b03c142afe3bc1a52490d9be798ef1f
9. 0xaad4101766257a1a4bab5042c7d5f7480a382b86a4bd2ef13a0e61394df91d64
10. 0x7a983182ba0b7c7a986c883d41d4b4ced7d8cb3001909c7f9408b2a4f529beb0
11. 0x08ad35ac81f2c2246b59c5a90ffac0b32f1bf7add87e2adf5a65c8ea3be7bf8b
12. 0x7e6a909e94d1f8837cab15b651ff95e7ac83fd5ae3cade1b35a9feb386827986
13. 0xb0ac6ba344d3036c1dcee62f9b248fb9e72f51af0768ac256a6f2e19b8431780
14. 0xafcf38f796fa072123f5d525a88fd2fb85646ecc6e7e9a763c13179738711c9e
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90