addrbookFor publishers
← The evidence ledger

Evidence row 1770004

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:6541
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
07899f2a2a0ec37f09286ef66ba996db13b2fcb13138cc41078ae914c9528930
Leaf
0x140f6516e5345c5c87bca341e213d9da4450b58a144ab792a668bcc23db815e9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/AA6A3M"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5bb8fae5-6124-4033-9512-db2018a257eb/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosert",
  "owner_address": "0x4ab154e962c09abe0b8d00afad59b5d9bd51c88b",
  "raw": {
    "agent_id": "6541",
    "agent_uri": "https://centralcity.ai/a/AA6A3M",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosert 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/AA6A3M",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosert",
      "registrations": [
        {
          "agentId": 6541,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5bb8fae5-6124-4033-9512-db2018a257eb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/AA6A3M",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793545436,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T15:05:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosert 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/AA6A3M"
}

What the leaf hashes

{"body":"07899f2a2a0ec37f09286ef66ba996db13b2fcb13138cc41078ae914c9528930","id":1770004,"kind":"listing","method":"sync.erc8004/1","observed_us":1793545513316918,"prev":null,"subject":"erc8004:5042:6541","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (302406 rows).

  1. 0x140f899e1f7ae6229fb3ccee726ac259ab2e376f8bad67f8e70f043f378f8e1e
  2. 0x35cfabce876c4f867a8b91315b7baaacf22e4d7db387f69bfc263d26cead7562
  3. 0xa167382f9f7553080c1be0c428dc7cc1b03c6b4a2cd4c133261929f7c8cb7281
  4. 0x36427bf460819a691d844e2c3bca50f9933fac6f603f7ea27e5de7ea2e80229b
  5. 0xca191f0b458ceaab0d477ee540bffe874107185e40c537d65719beb64ac14bce
  6. 0x153b18d1c4e9aca1e4682d22e401b16227c52d1b2e9ddbeff3e6ed08ed154fcc
  7. 0x0fb04c31c454426043bcb3f01ab557383096c2652fdd213bb983875be4d66c84
  8. 0x7df42b45b989d4af1319be5285bc4994e3233a0bc9d0ce98ddcd67a519fc0951
  9. 0xf3d598f2321b3f5b3a9d4de9f9a76f26f6bd4ca71603995fdafa5199ec76b1b5
  10. 0xbf54410d466df58d4ba3d6b8a7d85838a25a3e5078c1a389819fade75c2f42ec
  11. 0x3e44de17883d171e418c771a08fc3b02a841f673c18e2fb919f406db4b2e30c6
  12. 0x79859dae10fa788a49bdaa3213f20a160211971c37ee9e9362c112381c4c44f2
  13. 0xf1747d321f72e3e44bd30dc10c794e13858576ce0204d89dd555f1effa06ee29
  14. 0xb44b8d5019b9204aa2c2f558cdc381e6729b1aeca3e674741fa07287022b1f0f
  15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
  16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
  17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
  18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON