addrbookFor publishers
← The evidence ledger

Evidence row 3056495

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:280300
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
352040e5269f3f959367abc293758c6f3d2640c95da8c8602961f3e1dd30ed88
Leaf
0xa3273f9f674f5bb0edb1e72a2bd7ffd1afb43d5c87b5e9ec040ea6b92dcf3473

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XE36Ky"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/54056b59-0064-4594-a38c-7b2964da3ad6/.well-known/agent-card.json"
    ]
  ],
  "name": "Alumjo",
  "owner_address": "0x6c2c026978916d1f3e4ccb9a42881d105e4e0e30",
  "raw": {
    "agent_id": "280300",
    "agent_uri": "https://centralcity.ai/a/XE36Ky",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Alumjo 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/XE36Ky",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Alumjo",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/54056b59-0064-4594-a38c-7b2964da3ad6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XE36Ky",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T19:12:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Alumjo 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/XE36Ky"
}

What the leaf hashes

{"body":"352040e5269f3f959367abc293758c6f3d2640c95da8c8602961f3e1dd30ed88","id":3056495,"kind":"listing","method":"sync.erc8004/1","observed_us":1793819567001059,"prev":null,"subject":"erc8004:5042:280300","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. 0xa3277855d395483a3303d40d7f3dac99c3458ea913ea11e0d749acdbe278f5cd
  2. 0xde3f0422a315ba44c1f0408bbf233a0866ca841b711e2ebaede148db93cb15e7
  3. 0x77ffd93d8eedec90787ed342047e749af2004a23c52728c9d7169e301306c5fa
  4. 0x8588af6805e66671ae9e8e4de8a85ecfb7f83ba387853c6e56c8ce9d13e5867e
  5. 0x95c60134d2590edbd45b16c67cc52769ff38642a8db5f196a96761db816af2f9
  6. 0x420457584f257e9181dd4dfe9e122fea4d7e44431c3fedfca1642fe60422ea45
  7. 0x8e2364218f85f7e68ffd879676f08ab782da6de314aa61a04d0fd922bc142e0c
  8. 0x93dedbbd2dcf5006ce3e27afc3d5be9d0c0ef36575fe0a042f1c94b797207609
  9. 0xe1d914162050471c447efae2611a2fd4040aa40dc41e49c6d48ba84bd039ca1f
  10. 0x03354a183c9e7fd1e57b9cb418f0c14eabc59352eedd60046bd237a16c1d7012
  11. 0x2308e9528e493042fe0c580522293508e51b6658f6b2e1131e1bb8c2b668f8fd
  12. 0xe46e17545744b01de5adc19576683e5ed1093b86eec62aa3c82809318c756e1a
  13. 0x203ca766f27a5fce58bf060ea6d9fb911af00611223b6f0a604ad92f5afe906a
  14. 0x4504ea2a714d1a2bcff6dd4d413821f7902fae396827fd4177134a104ab49bae
  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