addrbookFor publishers
← The evidence ledger

Evidence row 2022822

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:44319
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1bedfd16f7a4d598624af58221c2ef3121c8670ad90ad2a541a30f06bfb2a99d
Leaf
0x35fb873b411686d4ba2bc8376907f32a989454bc02f547619ad025ee877f4765

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rkP2Ui"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c25a60c7-84f1-4e35-aa57-9fd9dcee2976/.well-known/agent-card.json"
    ]
  ],
  "name": "Tasso",
  "owner_address": "0x3b2b78eb8260a0c858ff7812addc9254533f3246",
  "raw": {
    "agent_id": "44319",
    "agent_uri": "https://centralcity.ai/a/rkP2Ui",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tasso 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/rkP2Ui",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tasso",
      "registrations": [
        {
          "agentId": 44319,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c25a60c7-84f1-4e35-aa57-9fd9dcee2976/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rkP2Ui",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793580543,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:53:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tasso 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/rkP2Ui"
}

What the leaf hashes

{"body":"1bedfd16f7a4d598624af58221c2ef3121c8670ad90ad2a541a30f06bfb2a99d","id":2022822,"kind":"listing","method":"sync.erc8004/1","observed_us":1793580793252230,"prev":null,"subject":"erc8004:5042:44319","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. 0x35fba1860e1270fedc5ac84d0cc59c416b2fc05998c21c6d6ae499e8fb1148fc
  2. 0xb054de9238d5b4404c9b0fad593160d6b5e9a018cffc5ae3737c95d93eaae9c4
  3. 0x344ef9f3189854afa5593d7414f3596cc9a65ca096724b4df877237e16cc8081
  4. 0x565e2923b5fb7a32499dfc635ac0daab1c3f2cb2683f30d39629305bee2d2c9e
  5. 0xecd7ef7634d75c4f42e5bc3c42a9cb82b74eaa605c1824e2c6789bcea5a23f44
  6. 0x6ff92a19d8804be916c845686536fb4ae851b75cce54d5a39fd51d8c53b79139
  7. 0xd558e1276800e8ef54f6028a88fb1ef85221052b91a71eac7a0c3071fbd64aa3
  8. 0x71f4402929aab2de557c95b3baf896e836e04abd16677a8ae4db1dfea540ca23
  9. 0x4859b2bfdc0d1e242c7238e64afe9f7c775ae1e3dec3b5af042b284780736f00
  10. 0xd3008631ea6ea083bb008c175c96acc282a26947f302e7bfdf92772ca3e683f3
  11. 0x68aa051b5ad0958c2784980bb158b5c734a537988dd1b8fe9dfc6862edc59f2d
  12. 0xac5d22c21d3460b12d50113c8291cbbbccadc2854415c2ad7fea9abe7f6a56be
  13. 0xaabc34550f079fe0032f13b18945f4683cbb63c607e45516706e1dd02ac20d7f
  14. 0xeda95b8bf6c7d0b27dc5b32d6a6006255f41e0f6bbe80842a49daa792f4de811
  15. 0x464ce6fe060d0a6c4e810b71501e55084086148f7daf393caa14462b1a777022
  16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
  17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON