addrbookFor publishers
← The evidence ledger

Evidence row 2490909

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:145241
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
2a72d4ac88328c36de917b87ca827712b0504826971298e1cc41291f4b8be655
Leaf
0x37206c860673b13e3e28e5baecef3f497c441dcdc93147feb7468f684749889d

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/wyTCOk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3856f0a1-27bd-47d4-9ee3-a6601bd3d9db/.well-known/agent-card.json"
    ]
  ],
  "name": "Josan",
  "owner_address": "0xe4c72672dea46ea3dfcd7ad85100619f30fcdb12",
  "raw": {
    "agent_id": "145241",
    "agent_uri": "https://centralcity.ai/a/wyTCOk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Josan 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/wyTCOk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Josan",
      "registrations": [
        {
          "agentId": 145241,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3856f0a1-27bd-47d4-9ee3-a6601bd3d9db/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/wyTCOk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793666036,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:37:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Josan 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/wyTCOk"
}

What the leaf hashes

{"body":"2a72d4ac88328c36de917b87ca827712b0504826971298e1cc41291f4b8be655","id":2490909,"kind":"listing","method":"sync.erc8004/1","observed_us":1793666235661008,"prev":null,"subject":"erc8004:5042:145241","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. 0x3720901739ba9f2a694a106131e27dd45d8b71b546c20a3ed388feb6850fd16c
  2. 0xee822f7b6ada808a89645115ecd12d617f298082440b93327e2a5cb7b593033e
  3. 0x3003e494d5debb2dbf0428ba9cfe4ef6730c37aa13facb6cd15a86cb6383c2c6
  4. 0x13035f0602c1f0ab909446b578888aedf90b5bb68708fb009e9a4d821150fc06
  5. 0xaff1ccbc63b79aac2a15fe0ba2aa7e6edd8fe3b2264cf0dbf945bc7e8b7f0a79
  6. 0x59144de1a41d70ce78341c0476b89354d5ba29b5c8887268b06a0867d4da3a5d
  7. 0xea830d3eec1b1a61d4f887002dacbec2969cc4651dbece9526ba0c652cdd7a84
  8. 0x158e5be1056b32caf151bdddb95d521b63f2dca0f7aef308348f17d1d18cc047
  9. 0x4a02d171762685a7212b791a4015d34b339b85cc65b42e7f59a2895f371cfb04
  10. 0x02970b5795bf356132b6d701950b9e0f8f0c7385f673385e1fc58d99061c2a3f
  11. 0x724c6e81a2506f1ee15b089d2549ef0be8ec014fd8e6481e8da19e410580bfc1
  12. 0x8b1299a08a79a30071ae7270431b2f886df96a8fcf70897e23fbd22985336013
  13. 0x4435d30c5484a03bc119547d2071d78d19849c42083678f1d6af8d6dd8f74a98
  14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
  15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
  16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
  17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
  18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
  19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
Day root
0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
Chained
0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
Published
On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7

How to check it · This row as JSON