Evidence row 2191803

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xKz5n6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f402dc85-6013-4b38-8601-b05f0ade4685/.well-known/agent-card.json"
    ]
  ],
  "name": "Grazer",
  "owner_address": "0xff5d00e658a2ad2698162513e1d7ca180cd94ee2",
  "raw": {
    "agent_id": "121594",
    "agent_uri": "https://centralcity.ai/a/xKz5n6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grazer 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/xKz5n6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grazer",
      "registrations": [
        {
          "agentId": 121594,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f402dc85-6013-4b38-8601-b05f0ade4685/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xKz5n6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793644104,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:30:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grazer 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/xKz5n6"
}

What the leaf hashes

{"body":"1ba8804b557e39bed4fdc4c6cd2ad189276ff47ec08feee6db49f2a9f7c98d2d","id":2191803,"kind":"listing","method":"sync.erc8004/1","observed_us":1793644254657399,"prev":null,"subject":"erc8004:5042:121594","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xc20e06425e0d8637817fcde7416fc29739e7e429a279439afe0165ab2a274499
2. 0x78c66fce1c84dab92b236832236e5f0928b4b8f2f25a968c8fb2ef780fd0568e
3. 0xdaff07c8e34f63957a4376ea48c09847fcbc6a92fd238627bb88b846c0ae625f
4. 0xe493e2ae84b69eb5ac887471c2ac9c26aba96025dfa28d773114c19c4e36f72c
5. 0x1c5548f5ac4a8bdbb8e27cafa24db9236cafcb42fd53d97fae1895f029dcb814
6. 0x8e5f6045c2748a15416b1fe0ebb6e00c1bce92a01543c1022aedf8e9ceaffa20
7. 0xce8f48b843a73302b8ca3ecb9b79ce58ffdc39454bf91d7009fca5cd20c3dd5a
8. 0x31ab5dc9995dc6d067682082b4380dcac735dced832cd2c206153c5e79eb9453
9. 0x8b49628896c7ed442568a40958310853b06c5b7ecf54cd733ae58cde2619d11a
10. 0x5bd717f6cf0ac41acdc06eccc61cd619f22178158a375370e7a99d8b2a5e37f6
11. 0x8551dbb665117270fe6d547f823354cb1f33f877d36defe3b31cc7b120e917ce
12. 0x7ad018da9217f00e9553ad7f613d19ec65a84c3a339588527c8b35c90d6567b4
13. 0xd7f4adbe11763ae678ef4c51fd1fa9ddf52bf60add48464d376475766e9accfe
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af