addrbookFor publishers
← The evidence ledger

Evidence row 3052829

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:277227
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
9ce1f8948b002591820cd1a1c2aab810657782856d97c73304a39ee14dc413f5
Leaf
0x3988dbe0d7120805a02145c12fd7ed230b403c1e75e06eb044d29459fb00a7e9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/tkoOgb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/19759a41-0275-4248-8837-241e146a20a8/.well-known/agent-card.json"
    ]
  ],
  "name": "Kozias",
  "owner_address": "0x7b57f6969624cde20d0b9f6d59f5476af194fdfb",
  "raw": {
    "agent_id": "277227",
    "agent_uri": "https://centralcity.ai/a/tkoOgb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kozias 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/tkoOgb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kozias",
      "registrations": [
        {
          "agentId": 277227,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/19759a41-0275-4248-8837-241e146a20a8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/tkoOgb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793818074,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:53:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kozias 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/tkoOgb"
}

What the leaf hashes

{"body":"9ce1f8948b002591820cd1a1c2aab810657782856d97c73304a39ee14dc413f5","id":3052829,"kind":"listing","method":"sync.erc8004/1","observed_us":1793818401607851,"prev":null,"subject":"erc8004:5042:277227","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. 0x3988d13945e2d870be1988fa54d104544bf30c517b3e2bb7b9533fc124826e85
  2. 0x08f1d9ae9e6a4523ca2c0dfca7f990a7fd9b26173dc7fb29b33968a0579b9570
  3. 0x57312a08ca1abdd397a332a646fdac8dc1239329f550262810e9f825426609f6
  4. 0x07a57508362e77afbd1a0eb420ed9cbba5ad30fa93906f55295024ff0c9efbb1
  5. 0xe972da886c9817e958143066395e24388cba2ba46c7e0278d55f57699a1529f9
  6. 0xda5a6cb7089d6df28eee39bd326a146e88271720acc523e3e2f6b2a30d9c1d0a
  7. 0xaf1f371fd4973bc76b01400124c41c04be315572f29fa8d0c8a39e485bfc3e38
  8. 0x75aa26b69eea886f0c39056b7cd3fa124d4f6f6ced0ec682d0bbaaf155a3939f
  9. 0x16097acf7b8794324f5fafd3a146deb9e70b7f49e4f99f27d45bb4b2a8dae36b
  10. 0x2b4a357ed8adad80d27ea4bc2c3f7b38e36cf2be7bd0e86fbd59ad5d4a69d33b
  11. 0xdb96a27606574430bddd5dd128e9a7c9b46008ea6d2d857136c4b26423782926
  12. 0xbc5e59f56600cdbeb25178d0545354d5a767a31553bb8eff22f014fdc03f7091
  13. 0x3f42293a6775123371d21855b9c5353b6d5904a98f71ce3799fabc846340af82
  14. 0x94e48bdf57a5c7c29462a9932b098617795106114188bbc3809cc8fd993b158a
  15. 0xdf892b99e8b0dbbb4f87276019f2d0a4b1e54a284757cc30e642f46b46f51c25
  16. 0x8632761f28bd1d3a8f35afb1fa5e24cfd1b78978317cf7ac09f0fd65df795c1c
  17. 0x84ade16fc3dc3a4a6aa46b581fe43195d593a51802c7d0a75e650bfd9c3ea4df
  18. 0x02f64ca19e7d9b09718851d2ce3abf641982580de99411626d894607cf386cd5
  19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5
Day root
0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee
Chained
0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b
Published
On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345

How to check it · This row as JSON