addrbookFor publishers
← The evidence ledger

Evidence row 2509503

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:152569
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
b53d84351cb7363bd9885f9db868475bd44067d053881739fa72a86ad7aa466d
Leaf
0x9c7098d52784e5a08f68cb1d4a83569b1586525ef93b28c0d0755c63ff99b029

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/uScX44"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1fa9a198-5507-4ba9-81b8-33458f2c2b26/.well-known/agent-card.json"
    ]
  ],
  "name": "Vampabel",
  "owner_address": "0xb87e2fd29f0910caed5e57798191036e561ab5dc",
  "raw": {
    "agent_id": "152569",
    "agent_uri": "https://centralcity.ai/a/uScX44",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vampabel 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/uScX44",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vampabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1fa9a198-5507-4ba9-81b8-33458f2c2b26/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/uScX44",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:48:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vampabel 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/uScX44"
}

What the leaf hashes

{"body":"b53d84351cb7363bd9885f9db868475bd44067d053881739fa72a86ad7aa466d","id":2509503,"kind":"listing","method":"sync.erc8004/1","observed_us":1793674111617105,"prev":null,"subject":"erc8004:5042:152569","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).

  1. 0x9c70a37393b9658463a4e3daec39015333fc99e42a2ab1c76777cb3027acc0af
  2. 0x858af0427c957f581157ac35eea35cad3c043f64b818c0699ac1aff09e2fefc5
  3. 0x3c250ebf81e19a94eeb29aa5bb7f61e996333fb851d35c579d1200fdb0fa217b
  4. 0x6a7436e6eaf4ce4807b7b108ee95a4005449c109a403553220faa3c272645a2e
  5. 0x1f6e4084d84a0e2d8de22eb093d2de7c186bc405888d57923670308052e1703e
  6. 0xd0111e36df7ff78f61717e39bf24314f787bba415f25ea12f62b3285d7e2c80a
  7. 0x227a1d92647fb360c468a6d3384a8ef08958ddbc8e1fa66e23b7019880597878
  8. 0xf97978cb4538c465378629e7f769f39f9fb12a27037358f6e6e88dc13cee178e
  9. 0xfd1a9ae3510934c2f6758f8b850a9f62ec7ce9adf8c47e4e758e38b8b4e46976
  10. 0x5011e0bc9701bb75352adbb43b59e8c39a33d2012ca67faff739624ab35bf015
  11. 0x5f46778835b164363bb5fbc3f6ed82f78be790664ea337191a6523e8b87165f2
  12. 0x5135f96b23ea1e5b4458c92c404705e6b4f464bcfb58f2d4484f6776cf797208
  13. 0xa213237248bc217986c237aa7f834054c4c09d2887d4a5c8ab351dd9ccee40bd
  14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
  15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
  16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
  17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
  18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON