addrbookFor publishers
← The evidence ledger

Evidence row 2919290

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:215014
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
3999cb3aa741ccde418c240b9c7e94c46a448f81a26726daa16c98c3877a5a21
Leaf
0xa2db0b60c0ad40c1c9a917275594a9cd2b2b8c2001d28783f56f83c8b08f8838

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/aQUIo5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c85204df-b331-429f-b539-89d38ce56011/.well-known/agent-card.json"
    ]
  ],
  "name": "Nirkisto",
  "owner_address": "0xd2f70d8e51bdde3ce3a903349b7c8a8239a377a5",
  "raw": {
    "agent_id": "215014",
    "agent_uri": "https://centralcity.ai/a/aQUIo5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nirkisto 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/aQUIo5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nirkisto",
      "registrations": [
        {
          "agentId": 215014,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c85204df-b331-429f-b539-89d38ce56011/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/aQUIo5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793752739,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T00:43:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nirkisto 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/aQUIo5"
}

What the leaf hashes

{"body":"3999cb3aa741ccde418c240b9c7e94c46a448f81a26726daa16c98c3877a5a21","id":2919290,"kind":"listing","method":"sync.erc8004/1","observed_us":1793753003994238,"prev":null,"subject":"erc8004:5042:215014","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (424109 rows).

  1. 0xa2daef810bf3840db44d6e66c568c1a6ebe70f498450bfbb6a3fe39fc00bb235
  2. 0x69b41f9040d53d0a1a6ae982b53c88c288ad5cd52de3dc21d8cf7e9443bf7a80
  3. 0x3b29a2ab166f4532976ff3867481f181b5e403d3c833c39c71f849b5b3fa7167
  4. 0xacf0bef7569aa2bcd145d16dd22c3a9a0082fe99c15ad189bc92bed1986f5e02
  5. 0x88922850b88946118d9d9e078a8fec1443b6d11e991f7d9866ea7ab446bde44d
  6. 0x0db736991eb660f3205613f706722e873164f8369e42aa2ac2465484e3ee21b9
  7. 0xcb18885b44e64f280719ad608477a9dd040ed13ef6ba417e5e8a9bff97c5a6a2
  8. 0xf1b7d48532c360c4d371a4241caf7f33165c5f090d8c15e85a06d957f9949a24
  9. 0x1d45da1777eaebaad82561b380b196fe246a53c49212cf3cac063a2f7e98f518
  10. 0xea36926036726a23738fcd6472376ab60e13275dcb1cba093755ef6371dfa072
  11. 0x6666a7b3c12819cc79c413f49d530452b148f7ece98331091dfb81a9e4a60ab7
  12. 0x97bd590e50b8c38c471ee26f4101b734bdc2f5a4effe5d6dd23f038fe0aec61e
  13. 0x4e3cf6adf9462457ebf291a4697658af6c0458a9430539ea82790d3b50c15cf0
  14. 0x0acb776c7cfb7900304eb2e18bdaeb4d910683a314407142d6e5519fdff93376
  15. 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
  16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
  17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
  18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
  19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON