Evidence row 2195825

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/P7Pw6M"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/17b2925c-7293-4c89-9610-1be3783503f5/.well-known/agent-card.json"
    ]
  ],
  "name": "Josseon",
  "owner_address": "0x7ada737f8df7f83bfc9758ec35bd2b21cbc41ae3",
  "raw": {
    "agent_id": "123911",
    "agent_uri": "https://centralcity.ai/a/P7Pw6M",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Josseon 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/P7Pw6M",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Josseon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/17b2925c-7293-4c89-9610-1be3783503f5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/P7Pw6M",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:55:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Josseon 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/P7Pw6M"
}

What the leaf hashes

{"body":"c0566ad5b4ffe5935a380b368e8efbdb85328c76b5c13104d802e07be5d41dfa","id":2195825,"kind":"listing","method":"sync.erc8004/1","observed_us":1793645713621537,"prev":null,"subject":"erc8004:5042:123911","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. 0xcbc45896ac22a16838200a1ec929563ed669b29403757ce0c093f35f9ff35df9
2. 0xfa38138e979f1291c465e8e147034d55221d0982fc0e77f26a5773c803af483b
3. 0x143ab54cc1730c527a9dd56a8915a0ab5e210fb16b1b17983c7b87b9e7dcfb9c
4. 0xbbdc83d3a8789d9182e6949c7b1aabd8844f996c6dda5ef9edb536e57e461762
5. 0x8e6a6e4d56dd861bcbd8b6f0491401ba7625892731508c907cc18229fa02ce7e
6. 0x9a7316e3a351b4182483d5c47024a384dbe8ea4bb95b6df6380876965ff4c275
7. 0xd8cc8a1667a4a10033cd4512ce2f29d814cd8867e35f07edca8764ceff9672e8
8. 0x31e7b3ba0351ffcf5fd151c6d0fdcc273a74addba41be07439b586e1c76dc7b4
9. 0x0532c4f697bcc4cfb4eb458fb15424350b9a2b9cc89fa96e0a8a25b8ab6ffdbe
10. 0x2da4c6045224ee319f919b8c6025e373586535fea390a45bf0fd66f3750caa38
11. 0xabd368b1af1bd1ca3ab90a16fccfbf2fe1617353b26e16f1051c9e19a1ab7ab1
12. 0x7f7e67ddaa239b7f47a381ca645be7874e814b886fdf50b97ae25602f2ebb785
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