addrbookFor publishers
← The evidence ledger

Evidence row 2029180

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:47468
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
a391bb67b1b2a9ffb6ac919aa10914dd43484ce44e6db6a9d70e94d40f5423e0
Leaf
0xa06dc73303fb7498f1ee0398a17380f4ec20f608132865c4e09fc5f5e8007e26

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ry7zj1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2e867906-73e1-497a-b32e-6183140980d6/.well-known/agent-card.json"
    ]
  ],
  "name": "Hotjo",
  "owner_address": "0x653bc64e3fa5d5f5fed53228f522a723be466195",
  "raw": {
    "agent_id": "47468",
    "agent_uri": "https://centralcity.ai/a/ry7zj1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hotjo 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/ry7zj1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hotjo",
      "registrations": [
        {
          "agentId": 47468,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2e867906-73e1-497a-b32e-6183140980d6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ry7zj1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793583410,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:39:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hotjo 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/ry7zj1"
}

What the leaf hashes

{"body":"a391bb67b1b2a9ffb6ac919aa10914dd43484ce44e6db6a9d70e94d40f5423e0","id":2029180,"kind":"listing","method":"sync.erc8004/1","observed_us":1793583561567231,"prev":null,"subject":"erc8004:5042:47468","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. 0xa06dc587769dce3149d7f2a4a7718c2f14f69d05c71724e69ea6eff88def46c5
  2. 0xc6eadb69429cd1a7c924ea11656686f67fdf3a91ca6892c3aedd6d89c056afde
  3. 0x51b5e4c3992bd09873e0d0788ea1a4377368e6589f93c8182c24a1ca8f77e327
  4. 0x9162f348bf51de81dcbc7ad7fdb69320e3b83271479c1d0d91b02d63bb0bff2b
  5. 0xd02cc5679831abbd7ce0412c25d1a65ca5b6e0d7087509b745f73fb20ffdf614
  6. 0x557f544afece5ee2d6d078d37004917ebfecc2b92347f35334a0e1b6e3f50b52
  7. 0x84583faf9b287d0a6ddf353412c72010716681cd69b146e331fafee6fecc7177
  8. 0xf2c4e9940908bfcac18c4824a97c273d014460e1bbecd20396f9116f372e3b44
  9. 0x010b114644398ed2f88c9f0ee9792ad387143175026bf14a326688471526468c
  10. 0xd273800431c5472d6c9dd5bee74fc34f76604437b05aeae2d469beb647735787
  11. 0xfbec5b4845499ccf2d3a57695e30a46b01d34366aab18afc73285cbc321bd08a
  12. 0xc7ff2516151ce4262a575ce2e228e9c674806720a6f837e7c4b223a7c393c916
  13. 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
  14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
  15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
  16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
  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