Evidence row 2188578

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/sgBdOx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/89594ba4-5da7-451b-8155-cba447057c3c/.well-known/agent-card.json"
    ]
  ],
  "name": "Alumpa",
  "owner_address": "0x70aa7d28adac8cda5c4faa6b05cb9ba7d043fcdf",
  "raw": {
    "agent_id": "120523",
    "agent_uri": "https://centralcity.ai/a/sgBdOx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Alumpa 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/sgBdOx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Alumpa",
      "registrations": [
        {
          "agentId": 120523,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/89594ba4-5da7-451b-8155-cba447057c3c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/sgBdOx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793643240,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:18:33Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Alumpa 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/sgBdOx"
}

What the leaf hashes

{"body":"422e77298667524998cd3107b8d464ecd7a2d12b7a16020715e66c7c7f1f1805","id":2188578,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643513008090,"prev":null,"subject":"erc8004:5042:120523","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. 0xcc3e488353d9a7a8b7937456972ec869c218b76be58213e80b5b147b50fff674
2. 0x095baa1def2d8e6a944ab60017571e4c59f47c4b4d810ea88f05c9ba7cfa66bc
3. 0x8d87dcde80c94fe3be11f454458ac143086e9c357def469a2fea7516d818cd91
4. 0x82e3ea212366fd0dd906d85be8f8065e7e89909de4f954706efa6938f7c200a0
5. 0x4e713495d4b82e30b0916fb77edb840d87122105ed10e123b960d8aa2b87880b
6. 0x97fc8ed13256eb7235e6a60639caf0566c045e25415895434040c9d33d184580
7. 0x5438820fb60c7a2ed1f1fc846b7cf609b777762555b2b3079971fd2a7991d86d
8. 0x77898879a5439242e3d2006ad09a5afaccbe3b3f87e5aab3a7b463c7e60deb01
9. 0xc6f0ce179a629bafca756adcd25c75096d9dde7375c04d499d18ce66e5209011
10. 0x5955e594511b0898563ff35b4b1397b2977d71ffd10fef8265c7622c92c88fbc
11. 0xaf2a199447c969aea5dcc0dd155218feac3378794b903ace57a61900fe249d4b
12. 0x104b0fd7f9e0a9cd51db3ad451e9a16d136da470f6efdf3cf1ad75354f332bc0
13. 0x959c0d70f3f85beefd7b1347751e6e712eeaefce78a57d80eda6882038b85a52
14. 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af