Evidence row 3441734

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yjhiTt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/da203d65-1ce1-4d88-b8d4-069530c0c084/.well-known/agent-card.json"
    ]
  ],
  "name": "Sampose",
  "owner_address": "0x44c196eda1e85bb905d7ce1622a6eec179941382",
  "raw": {
    "agent_id": "349005",
    "agent_uri": "https://centralcity.ai/a/yjhiTt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sampose 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/yjhiTt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sampose",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/da203d65-1ce1-4d88-b8d4-069530c0c084/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yjhiTt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T18:48:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sampose 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/yjhiTt"
}

What the leaf hashes

{"body":"8d4b4c72c7945af67a701289e33bce3abffd5e53224e974b3dfbf2cb561051be","id":3441734,"kind":"listing","method":"sync.erc8004/1","observed_us":1793904522436771,"prev":null,"subject":"erc8004:5042:349005","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x974f09da6b9c870ccd77eb4e751ffbf79d399f96f2625fbd07ee745c3b6b84f2
2. 0xdb695a948f28c92fbe70dde7a377c9db64e5070b65baa4add386476d8fe4076c
3. 0x32534da47948eecdcff20afb73bcd050852d8c654717949f4caea5cd5c264ab3
4. 0xcb9f98524df34b891d87cc024ec9d310449338dc0257f3f8cc860315655f0182
5. 0x732578c086d5b2bf13150ef12bc4e216bbd511178e3cad68e5e08c3c24b06315
6. 0xd96a0dd55faef803b97c18bb5496862edcb6931412368c5d25fbe5a3f8c4002f
7. 0xe10dc9734f753ec9251457d7874c2e57c4fa5e8b281ec24b1f29c69a6e5f59cf
8. 0xea5a113f0b56e58f83ef643e3fa66e67d74a014a5cb8df0c93c0f3c9b445441d
9. 0xf65ad9c08414d0bdded5aad7e4e577a1263955fe16bda8529e2884e1ee3bcec0
10. 0xa2bc135d1c4846b87acaf5f6d48d3439e55e15aa888b97628f95fcc4c2b95762
11. 0x6cf651a37b6f12288547400b387e056f72aa63fdaa3ac2db0a10b5b35c53ac80
12. 0x1f0ff48f87b7b133e5e5b7c14571fee2585d29ed58b8e8a731c9b3a5ac469cd1
13. 0xbf751a74028033cca1ac40547fae587eb2c92fbf44be64fc4ef59b43e3203be0
14. 0x5c6e3c27e9a4903fc5bb83db04b473a90d793c8aaff5c480fad105e530755408
15. 0x8d4c57bbc31050ce925844401ecdf17b888da2f6d1ae583a863bdf84d2854302
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94