Evidence row 1769721

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/50t6wy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/47d731e6-574f-41e2-9a79-aa89bb7368fb/.well-known/agent-card.json"
    ]
  ],
  "name": "Gramabel",
  "owner_address": "0xd67ec1580cc256f1d44f995089cf46178cd01a44",
  "raw": {
    "agent_id": "6401",
    "agent_uri": "https://centralcity.ai/a/50t6wy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gramabel 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/50t6wy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gramabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/47d731e6-574f-41e2-9a79-aa89bb7368fb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/50t6wy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T14:54:45Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gramabel 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/50t6wy"
}

What the leaf hashes

{"body":"faa54bb4fc01e92182ef7b300f6f166a425a6794d5c03efadbad5c8d443c672f","id":1769721,"kind":"listing","method":"sync.erc8004/1","observed_us":1793544885324390,"prev":null,"subject":"erc8004:5042:6401","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x062c77075ebd32a0a9bfaf625852c451f29646a73218972ca903fbdd5df47961
2. 0xba9b4e1d3a6545446996109b10459214e34abed72ad4e131226c82b8a84eff9d
3. 0x1f98af28cf655c461353a296d6ff7db86882470144ee7d530190ab3ad0d5bb20
4. 0x23d257d33334dee12cab462320b1e5c1eb0aab3ea389ef2a83c14a6694132bed
5. 0x26cb24c02271e1e030e9cee24f10309a1ea27738605929fa803a78d74d5faa25
6. 0xd478b86e5c7a85c6890f49a89d81863ebef675f8ddf7e0e73718bb252eaae480
7. 0xa379ebb8e7591026340a1071588a384fa30391f66c3983faac39783fbb73861c
8. 0x8dfa353cde51ca6747d75ba65e0afe3b11de072a9eb3e65cf3c4fa0859dbc4f4
9. 0xd46be647f94ca1d1dbd73d7d9d8b64bc55259e4d03ce92760ed4a1632d19a9e8
10. 0xdbba0866ba18310c5d8d9e0a04ca30f304b6f4893dea189a657fb3aa6212bf5d
11. 0x1933507d6f34c466ec8db31b4a5d85e8d5128afe3d758d526a14d23e914b5f3d
12. 0x0e504833698abc04312a4beba98e6602297f4ebcc6ef94d56c7c823f8f4d1120
13. 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90