addrbookFor publishers
← The evidence ledger

Evidence row 3371592

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:321526
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
d3ae8b2b7bb72b5ecdf249f4cb26c21722a7eb7d5c24527b2ff20df1299f9733
Leaf
0x5a8cea3bdf9c9794596bffeb77364ad0bb60a75b218d90164dbee238b703bc8f

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4x47Pj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/473b7da2-a509-4098-ae0b-b6bb00106258/.well-known/agent-card.json"
    ]
  ],
  "name": "Alandert",
  "owner_address": "0xc34990558e88a7d50d274e869901b4c9c9e4409f",
  "raw": {
    "agent_id": "321526",
    "agent_uri": "https://centralcity.ai/a/4x47Pj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Alandert 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/4x47Pj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Alandert",
      "registrations": [
        {
          "agentId": 321526,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/473b7da2-a509-4098-ae0b-b6bb00106258/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4x47Pj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793864727,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T07:49:57Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Alandert 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/4x47Pj"
}

What the leaf hashes

{"body":"d3ae8b2b7bb72b5ecdf249f4cb26c21722a7eb7d5c24527b2ff20df1299f9733","id":3371592,"kind":"listing","method":"sync.erc8004/1","observed_us":1793864997710778,"prev":null,"subject":"erc8004:5042:321526","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (322504 rows).

  1. 0x5a8cf512ef67ef76f488a6a584a0ade53de20741034072e69c32d06e1c2a0c37
  2. 0xfc3b821c6a3ca631caf48f938a2fff57a3b4e7401c49d5c99538aa6dc7881b6e
  3. 0x026f89088c55b0939a25b5b4b5a4c52feb2d0ff902bfd0cc7be8228a3adb23e8
  4. 0xa245de01ef6dea8a69982f59527b1acb582d5f7bafd64499c1548790f500fbfb
  5. 0x92c009fc1fa6af07562cf36fd9a5eb80a2a5fb00ab2b300f334f6b845a505669
  6. 0x7072f29b17face94fff19a5544642713a7a698e00e18b11a722e0ae1d8a325ab
  7. 0xe09b917c93623155f5cb26a3878712bbef6440ff0236c1e07a0323ba29106d78
  8. 0xa4c38aa700db8379ecfa74d9fd91695590f11d82d2846e4ccf7aa49b7ea02ae4
  9. 0xc927bd0973af53e5a707dd17291888102f0a2fcc5286d5730b9a5163442391d5
  10. 0xa8aca52a325e4fd5d0a877d5a5d70a4fbfacfe14674c7d2ad9d46e9648af2259
  11. 0xb4b7dca88ec62ce92a7fe7b1cf620d5d14a5f824a6beb75480138b7fce029571
  12. 0x7ce921bfdbf783aeb599808b5c7d498940ee13b6efb25ab9fda910a2b9788d71
  13. 0x723c3e88e54d51eb95a3d77c2c7829d44edf19c69fc7606db919e6d272a81d1e
  14. 0x449cf1e61bccebdf54815ea279ddc57c99a96619eb284a92aff809d999dc68c3
  15. 0x20ca3add72ff47f6497449b7ee3adf1c6f2cdbedf8b5a49a56da543bf096a5fe
  16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
  17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
  18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
  19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b
Day root
0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128
Chained
0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2
Published
On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94

How to check it · This row as JSON