Evidence row 2730687

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Gvqk2a"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b9b2336f-0231-41d3-b5b4-fc6e75ae0e2f/.well-known/agent-card.json"
    ]
  ],
  "name": "Nikias",
  "owner_address": "0xf52c2176dca10927d9d0ad9cb0d2b7eca397085a",
  "raw": {
    "agent_id": "213037",
    "agent_uri": "https://centralcity.ai/a/Gvqk2a",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nikias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Gvqk2a",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nikias",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b9b2336f-0231-41d3-b5b4-fc6e75ae0e2f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Gvqk2a",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:59:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nikias is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Gvqk2a"
}

What the leaf hashes

{"body":"5bc0fcbd93ac8282f641a756265359d2ce426de767923be666eaef9c14f02b95","id":2730687,"kind":"listing","method":"sync.erc8004/1","observed_us":1793750344266982,"prev":null,"subject":"erc8004:5042:213037","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x0e712679dcf9d357dca05c00c2fb8e070dfc68d1fc113740ce9e3ee18aa2e649
2. 0xa4ef69b72e00df61446158981ad63799d47a796553cc75e13638b283961191e1
3. 0xa2aafaaffc0671794819005c73f7e7d362f0473b2508d9edfe9668db82e0d36f
4. 0xa65bfd286cfb608f82d2f1f6f6a9c3877760d1f419b4edd1127c1c2386e0a0f3
5. 0x6fbcf20cf0d888e5824943ef1203b1212e5798396d9a77a4f1371a03e1315e3c
6. 0x26219b2c0e9b5117e1a69333237bbd2fc156c2e2a8921d909f3e0dfbb803315b
7. 0xb2c759bad97ade7fc6975c7e5716fb7c2e42941fe955512efbb643cabd19b179
8. 0xbd894ef871def46f1798e467cf22ae8dea581ab6f4dcf9a11cde327b9d24cccf
9. 0x852f035ceb7e9c89f3b5ec2a5f18f75893df6bfab520a4e5c55996d78b56d7f3
10. 0x0462d9b661b53830f230add630fda3feef0e98c606f738d706c956c4a034584c
11. 0x5892efed34eeacea0d0e4b390e6c8a87e23b5ea969d643b87ebdef44fd01904f
12. 0xa2b0f26f4e84db03ad032393b2a3695ea5f33353da8a24629497d53b9a55a657
13. 0x593c60077eaf63cd302a3d033a280b28ac4c98d73bae86915b770c7e408ad8db
14. 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7