addrbookFor publishers
← The evidence ledger

Evidence row 2524956

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:158415
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
29e8bb3f670437c18bfb734b5e3058eb7df710281e61ec846746155cf1a78c9a
Leaf
0x12d278f184cc85edaa0f90836fd0702e43c0f5167f15127147ebfd47b7a8f9ed

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XftyW7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5b05b604-ff5d-4756-8246-8c0a8eb9635f/.well-known/agent-card.json"
    ]
  ],
  "name": "Bialabel",
  "owner_address": "0x5be288ec0e02a44e44ff5a06fc91746bfe7233dc",
  "raw": {
    "agent_id": "158415",
    "agent_uri": "https://centralcity.ai/a/XftyW7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Bialabel 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/XftyW7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Bialabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5b05b604-ff5d-4756-8246-8c0a8eb9635f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XftyW7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:41:48Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Bialabel 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/XftyW7"
}

What the leaf hashes

{"body":"29e8bb3f670437c18bfb734b5e3058eb7df710281e61ec846746155cf1a78c9a","id":2524956,"kind":"listing","method":"sync.erc8004/1","observed_us":1793680908228072,"prev":null,"subject":"erc8004:5042:158415","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. 0x12d26c1d2a23a80c60fe6f01e1a78fc384bb7fc8e6adcc36cc3f7dc9d5147497
  2. 0x93e164eca42a0205c8c8353bfb4795471a70a5b8f23e419fea9fca80de2fa80d
  3. 0x2a59f213aa0885b39d1b1f861180b9ecf0f65b74f45ea6d8fae0c99d3217a4bc
  4. 0x1cba487fff7dc3f37621f13b522c365da227c5f6c3a027661ac54651c7d33cef
  5. 0x469576f98cc2d3eb352c1317116901e501d82afffa4202214bbd7a2f58b2df77
  6. 0x34cb466905ca78e865d16085999cd6260119fc5a3b77f4c6fed7b0cf1b193d5b
  7. 0x518f24745df9c84fafb2f8a69ed1054653cbc8978d3c0defce32a00c7a002a09
  8. 0x3c9c8a81f97b9425f04c233b135df3081e1f001c910add89b0996a55304ffd05
  9. 0xb25e0c406e24d0801379b21f22e0b3c47ceb60a73dacaa431dcec857f1e22688
  10. 0xd445451733d423de2e50c94e84085427f026aac79eaef47ed574087617893c04
  11. 0xebcca7be3d8e28ad0fe4f0a6e4cfb52140075d690f37e1a64197336854b679bd
  12. 0xd68ef24e52094c530a6c2836ddad853e7be70fe51b4f455d659096a1f808657f
  13. 0x85cace83986c94d601e82be51de5f4403bcf0442ce39d75a11610de56c90caae
  14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
  15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
  16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
  17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON