addrbookFor publishers
← The evidence ledger

Evidence row 2270421

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:129028
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
8bbb44c71abad0d66023f53ace3788d91249a5061859026a2aa2fe5c921b5a50
Leaf
0x58d862dba1381523fa9bc8e22494e7a1e9b051e4c83389ecf25102bd982a817b

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/dtWjsc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a3e587fe-3101-4278-a5e0-c0fc0a0b6ff6/.well-known/agent-card.json"
    ]
  ],
  "name": "Dassisto",
  "owner_address": "0x2819c92d9d98dce6518e970c482c9f3081aca291",
  "raw": {
    "agent_id": "129028",
    "agent_uri": "https://centralcity.ai/a/dtWjsc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Dassisto 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/dtWjsc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Dassisto",
      "registrations": [
        {
          "agentId": 129028,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a3e587fe-3101-4278-a5e0-c0fc0a0b6ff6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/dtWjsc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793649650,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:02:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Dassisto 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/dtWjsc"
}

What the leaf hashes

{"body":"8bbb44c71abad0d66023f53ace3788d91249a5061859026a2aa2fe5c921b5a50","id":2270421,"kind":"listing","method":"sync.erc8004/1","observed_us":1793649726053585,"prev":null,"subject":"erc8004:5042:129028","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. 0x58d875be298dc4ac5a1f3058e0417cdb2b387b9886997ba830c96203e233cfeb
  2. 0x68ce0becf7cae1a1223b6d9ed9e5a32d0431381f056007c5b697bdcb5d5bc634
  3. 0x1c878d325a9163fb21ca296bd98f9eda9f34143f2fede3157b92b29f4095f21e
  4. 0x4981188000316eafe8406adfc849c205edb46c41c2adcc041aee7aa5cc22e59a
  5. 0x8ea5fb998fc70f430a18716bcea750b93da4d87588d2442f95e696f40c97df70
  6. 0x7e553231984952995d4c19cd136b39e2f4227d06c1e3478a86afef885006fa3d
  7. 0x6f4b9f771d38336fc2eb036e65e6e62b49ae12f08fcaa9e1968805886c005782
  8. 0x45efbd88d85dbb36eb36ca93a0bb5c6d3dcbfebca2a121f4fa59e26e61a87502
  9. 0x38d32fc933ebd33215702de3c642919dbdb34f116320ccb4100cec4ac4843d00
  10. 0x1dd8bf21ab06806b84cfc1aa7271af45f8bb68be3d6570c90f175c2ff452b6ae
  11. 0x86f4014c971df07fa1c19f8676e84de8a2f18339c938139958437ae74da5d46b
  12. 0x5f2a4b55a530a11fb70b7514490f97a224bd5a4e03f8eedea57af0e36a116efa
  13. 0x4156d0c5ab6447dc36720ca7ceb2f5a0f0c5620d9192ea6d8fcf5e704e8dda41
  14. 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
  15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
  16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
  17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
  18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON