addrbookFor publishers
← The evidence ledger

Evidence row 2552524

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:169383
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
f8370e09d1faa4eb4b5ccb3395874527bc6604c57dbab8743d563ecc7c16dd7b
Leaf
0xa4f5dc90b6758b3ab73e6b01ee31e968b5c7590066aa7cc3d27b0114c4a1904c

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/TzYcrR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/adc1b46c-2c1e-477d-9771-8858665ab248/.well-known/agent-card.json"
    ]
  ],
  "name": "Levano",
  "owner_address": "0xb6db642077fc45909a3b79d1917987da3ff3f601",
  "raw": {
    "agent_id": "169383",
    "agent_uri": "https://centralcity.ai/a/TzYcrR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Levano 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/TzYcrR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Levano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/adc1b46c-2c1e-477d-9771-8858665ab248/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/TzYcrR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:12:29Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Levano 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/TzYcrR"
}

What the leaf hashes

{"body":"f8370e09d1faa4eb4b5ccb3395874527bc6604c57dbab8743d563ecc7c16dd7b","id":2552524,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693549645033,"prev":null,"subject":"erc8004:5042:169383","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. 0xa4f5dece0995148935b52ed39d4d3ef3e7d81a4db063d63d8793570cf27fcd1e
  2. 0x5b151eb8053a71636a6967590b8629a4b004d48db1b703671ae0a12291f5fc95
  3. 0x218e8493b57dd55c24466088b1c1a0255da910446de6173e391917f3b21075de
  4. 0x05bb0df2812f75ac88f0ccbbd349a509737f9991554f060a056ba5f807fb0755
  5. 0x03a74fdd92e342e0677e17805f9c57ab773d24bbab5a5ae9b069ca4d68343583
  6. 0x78de62d47e3536e7322cfc307b7ab273979857f7a5f161c2bd53f6388306eae8
  7. 0xc120917007f3d746c5c127a4c89e1c1c968191ba122c184bd42485db410d2972
  8. 0xcbf5da4d178a0b43d0a97b30713f36c0b5ea80c5b329c70bb3d3aedfd52287a9
  9. 0x07449a37985a03c970c2cc689180353c8623f6a9cdfc3277ac70971830c51d8a
  10. 0xfa6f3b36e91d92acd72cf2e850975735f35e0e9177c9293e511e72a560ea20ac
  11. 0x37ef9773801a16a69e45968768db615c34e1035dce8395984346fbe5b02bd51d
  12. 0x866c6357aca0204471874902897a1afa404445cdc29b99af47280cb0c04ec411
  13. 0x4a1cdf8df291c42c3836d20616c28a2918fc49d8bf96290524d03f4f1ec0312e
  14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
  15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
  16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
  17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
  18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
  19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON