Evidence row 2177283

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/USjc8c"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3212007e-3ac9-4b20-b38d-0e891542e1b5/.well-known/agent-card.json"
    ]
  ],
  "name": "Stampeon",
  "owner_address": "0x62d17d4d02858b04046a9e805eadbebaaa52226e",
  "raw": {
    "agent_id": "114548",
    "agent_uri": "https://centralcity.ai/a/USjc8c",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Stampeon 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/USjc8c",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Stampeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3212007e-3ac9-4b20-b38d-0e891542e1b5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/USjc8c",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:59:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Stampeon 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/USjc8c"
}

What the leaf hashes

{"body":"f9cebc09d1f2dbce1592af925e41224b73e2761d0ea63c3936c4561e7e6b8fcd","id":2177283,"kind":"listing","method":"sync.erc8004/1","observed_us":1793638799871735,"prev":null,"subject":"erc8004:5042:114548","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. 0xe0762fc345c498e2442ca361a53727c1c666e882cb600be6a376e7cfa6b5218b
2. 0x1d3133932c34f1a1a3c9a12e73ad633f7df8efd8a6a26d1cd8cd2e0d51224bf6
3. 0x3691fa89d3542b9e7b392ecb5d25523b17d9f4c120c76d1438176dcaa2e92d42
4. 0xf5822909863c22215ab8d54303c1fa7e4e314dd8fc3e281d205f19665e8dee4d
5. 0xc689361de61f621881d68c16f0d4c29ef1b167f30deaf2c8fd1d4f4982816871
6. 0x33903c0f8cdf2fe10e8b7e849a783df4a62d944525d8542b6f480726a3833fc6
7. 0x4130e0c52873abfdb0cad797401d6c6aeb838ff20be7e057dc6c480b5cdcff20
8. 0x878bee84c29987b21b93ab033650535c982808a432093d473d56a906916c5550
9. 0x022ec15b5c4d5ad67de5b9a6e751481377eb30e4ff4693b9cb028694a087605d
10. 0x748d5d976a8e1c60bb04d7fd98cc7023d9ced3a30d51f81bf9c851ae0a2b3441
11. 0x358d5aee9e2066a142dca0f7d067cecc4485db349d0fa0447c2dad62945d1f49
12. 0x348e4abfed652ee90cec768f8b9dd0632fd1d5618c297603457be42849334476
13. 0x1a1962c4212994dc624f2a06650960c085108399590bfb7472893d9b1c149e31
14. 0x5dd75981e1af83dc5ec1e2b8a2959012484cc3ea2e0defded2187a5a93ba7236
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af