addrbookFor publishers
← The evidence ledger

Evidence row 2099763

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:80845
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
90b7f9557b3ad0b61d0cb23fb0d9f5808b5d7952c8abc1ddb025bff9c004f783
Leaf
0xb326456bff7a8899af11195b6e4956c6448fb3fc89d3f1efc7973af6f1c3b8a9

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0o4bch"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4c94f97c-eb37-4dbc-a03a-24538584b996/.well-known/agent-card.json"
    ]
  ],
  "name": "Nuzis",
  "owner_address": "0x3042da02647dc2301b61aa5769e41623fa6fc601",
  "raw": {
    "agent_id": "80845",
    "agent_uri": "https://centralcity.ai/a/0o4bch",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nuzis 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/0o4bch",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nuzis",
      "registrations": [
        {
          "agentId": 80845,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4c94f97c-eb37-4dbc-a03a-24538584b996/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0o4bch",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793610675,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:14:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nuzis 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/0o4bch"
}

What the leaf hashes

{"body":"90b7f9557b3ad0b61d0cb23fb0d9f5808b5d7952c8abc1ddb025bff9c004f783","id":2099763,"kind":"listing","method":"sync.erc8004/1","observed_us":1793610875492030,"prev":null,"subject":"erc8004:5042:80845","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0xb32639ac18cbe77f21f5108ff5043a246272ab2f5c092f709abcd0aac2651c7d
  2. 0xbd971d39d42473679b5d6b165caff40a97ea7ef243b8e78fe8913a6cd685ef8c
  3. 0xdeee3a5e4de116c53ce4cbf183e91ce504d8f686ee77e8df90a5f9aea6b8c1c9
  4. 0x1eb7b5ce43aef3323b31c8991e73f997a39239294030206f5453fef89702bfc1
  5. 0x74ec091beb2b2183f65693b66f3546eb988eff58c01d174392cb6f82ca104a69
  6. 0x3bb00c74346fecf392eddb4eb0233d3777d9191b14c2226e2827887bf2d32bce
  7. 0x58c914d2f9f772d41bebb8390d7e38ef5d17f165d55b04889aaa86fa8051468b
  8. 0x8b34679b0cd941f9d8102aa47336fc33c040684ca51d4fde12830c6e252d56c9
  9. 0xc8778222227468b2fa296e523470a386a5f1a733799c97472d12272991edc81b
  10. 0x2cc4c008ac042414c1435e18b8967a8951803a3709e80e1755e72b47643d44f0
  11. 0x3d936bbe0e752d535f9e93fbd9c9a8e9f48bd07731621d6903f9ddc4201a8ee0
  12. 0x21e290c87b8dfbee1c890c9b97a09ed0f5503884eaeabff86472db1c091c14cd
  13. 0x8f3b097427a1bfae26e9231cb5b00552011a27ad93aa4c0d3e267190fcbbb962
  14. 0x08da04eef748b7ac08271324db18913501d72c52afa240bf3f08b6da46e3b97f
  15. 0x834b6b9a36b42da183e2542785e8d2d7548ace455268a81922edbe6020cef644
  16. 0x2922573a524a0694086782ac45fa3083d3fc3f6a2a479b2105e1e2f06b2916f7
  17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
  18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
  19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON