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Evidence row 3745623

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:402954
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
df8123700c2134fcc6266a551f2beb135f685b1bf0d23c6ac4c046a6e694827f
Leaf
0xb42da1d0723d4261bc69bf18b10a492903353327f5b8efea708ca73012474d50

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/V1JKSI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2e400aa8-f78b-49cd-9ac4-27212e78a3c8/.well-known/agent-card.json"
    ]
  ],
  "name": "Maikus",
  "owner_address": "0x853da3ebf0c2ee1d99ce97f213a5c7ca2bfabfa8",
  "raw": {
    "agent_id": "402954",
    "agent_uri": "https://centralcity.ai/a/V1JKSI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maikus 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/V1JKSI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maikus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2e400aa8-f78b-49cd-9ac4-27212e78a3c8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/V1JKSI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-06T15:33:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maikus 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/V1JKSI"
}

What the leaf hashes

{"body":"df8123700c2134fcc6266a551f2beb135f685b1bf0d23c6ac4c046a6e694827f","id":3745623,"kind":"listing","method":"sync.erc8004/1","observed_us":1793979213301550,"prev":null,"subject":"erc8004:5042:402954","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (303443 rows).

  1. 0xb42dd2fc1a3ac81f5fda0d910fb3ab7e0df388e6ca81ab3bc01f6b7706a47c09
  2. 0xd43e44b3727c0960d9b4a9f7177dedb0d9c8b0aa267950e8c4ece79b5743cabb
  3. 0x123e4ac00cbe7ced6e964dcd09380a0ad0c4f11c1647acaa5de4bd2b836f920b
  4. 0xd52093b8a85547ac40339811222f0fa5cd706f0b42fcc2e5fff00f9c02f18147
  5. 0xe40fcb15f030569efef459f00619d8566edba200e70002c435412593dd349d86
  6. 0x82f1604d876c7bdf1c75284004e769668596f3a4670b4a21e110808a8ed75022
  7. 0x2a768013b1de856524912dfd7ab470674d4e8ee6217cfbd5d583aa4ab76e5767
  8. 0xec2ade0a73f71130bfec19b1512194232ad414732001ec90196098f1b5abad39
  9. 0xe77dbdb312bd4f9c5d64d473670f2f4a05f731afb3d94591216ca6765f00f791
  10. 0x0257e3b0ab812257552defb4e547981d19795a1a592541e9ed6645b70e825a96
  11. 0x73785f96e0cb86a9ab2a317dd356b18a24d1e86fe9ed512b3e9b425908f079f6
  12. 0x1f058d0a17e09fdc118677165737da8ada041ced73951312a3c0c854fe419a32
  13. 0x87cd1069c1edeee1d6a118b845c86f7e5e402d611f73a57624f6a6bd0a0a94f6
  14. 0x8d5a032f475d5b910fafd32cb58c0d727d8f470fcc5d6ced065d044bda372ee0
  15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
  16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
  17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
  18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
  19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948
Day root
0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f
Chained
0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3
Published
On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1

How to check it · This row as JSON