addrbookFor publishers
← The evidence ledger

Evidence row 4156546

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:408440
Recorded
Previous row
#4156466
Body SHA-256
165b8abe2f0a30c7104909cd1c0ad517152ad77b3fcacb9b4964d3d6ca692134
Leaf
0x328bfea19663612e8f00873cd6e918c7c364d9bddc8a423a53c18af813d5faf9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/E3VfAo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1c64f287-6344-4ce1-bc9a-f1170de89550/.well-known/agent-card.json"
    ]
  ],
  "name": "Nossias",
  "owner_address": "0xeac2a7c5e46ad5b61d5faca46fc2002537376fdc",
  "raw": {
    "agent_id": "408440",
    "agent_uri": "https://centralcity.ai/a/E3VfAo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nossias 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/E3VfAo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nossias",
      "registrations": [
        {
          "agentId": 408440,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1c64f287-6344-4ce1-bc9a-f1170de89550/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/E3VfAo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1794153294,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-08T15:59:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nossias 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/E3VfAo"
}

What the leaf hashes

{"body":"165b8abe2f0a30c7104909cd1c0ad517152ad77b3fcacb9b4964d3d6ca692134","id":4156546,"kind":"listing","method":"sync.erc8004/1","observed_us":1794153546381800,"prev":4156466,"subject":"erc8004:5042:408440","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (183509 rows).

  1. 0x328c4c567d7450f49c47a7fcdc04428aa470e2ee1d3e3fe006f8bc6faca6d67c
  2. 0x42cf35a7ed7a030c4a79b49263caa390316d4761d4736b7915110825cb2b2653
  3. 0x1b28286c7d1194dcbdcdf9c0a510c35ac56bc96638a710d036ee7add1cc9b770
  4. 0xe538fbf524dec1641ed1fcfd47c36e76b8956f90105165213d7d17e610f7e990
  5. 0x4fc83696f9f9b0deef90a0063dfea701795210836b03e88a09f89b349d16710b
  6. 0x3edecf50a631c9091360bc0f8e33ed6360f5bcdf8efa261b149f7a7b487dbc71
  7. 0xb9b3b1c025e77981dfa853e21643da0feb9236e2026b5c3c5620b38b23841c82
  8. 0x213497c198f3ad0adc6dc5135e1b71a8d69c123dac3a2063518bbad398bb3cad
  9. 0xd445d4904738344126654b96fbb9e6d6ea3d623d470a99473b256cf98ba106f2
  10. 0xc5007aaabc1ea087859370eb2d671f110b75d03384b6da727c9a94ef7304817e
  11. 0x0a2b3e3ca0be734dc58f36cbafcdb7f6cec65aa671bb3d11aa409f839f180f99
  12. 0xd34403b5354ee2393c15477c0310f1d2d7b78975795cf3c5441b4a4621f89e07
  13. 0x65f1f126766a6a6329d4fa53ff266bee4ba78a3ed9b2ee96c98ea7821fa65f2a
  14. 0x2e60ad7f07d42e7e3a05e15d5f432e079746cb5911e407190adeba41b2f3a410
  15. 0xbd5012f0886fab2c6ae15982e759fb236dafac6691167365aad233adc7665695
  16. 0xa7cc80a77a1b416226547039db612cda546cf3ee48ee502328ff0f2b646ced86
  17. 0x2031bf8fabeeff87db710efedafb2b06df0de0b25ca93fb078786a0ebfe9bbc5
  18. 0x1f0ff2af9da38fef1beef5d2dbcf41f592dca17729b7ab9b9c0b6ef354dc3b83
Day root
0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b
Chained
0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc
Published
On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022

How to check it · This row as JSON