Evidence row 3423835

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mXs60x"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ef35be43-6e15-42b9-85f5-ee34f501bd7b/.well-known/agent-card.json"
    ]
  ],
  "name": "Greinteon",
  "owner_address": "0xb82748829e0f9c54dbb3711da8648a3cc7ca7794",
  "raw": {
    "agent_id": "342992",
    "agent_uri": "https://centralcity.ai/a/mXs60x",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Greinteon 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/mXs60x",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Greinteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ef35be43-6e15-42b9-85f5-ee34f501bd7b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mXs60x",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:53:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Greinteon 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/mXs60x"
}

What the leaf hashes

{"body":"2fd194783f04056bcd02555375b502649d920c82915dca069cea7fa212723ba2","id":3423835,"kind":"listing","method":"sync.erc8004/1","observed_us":1793893989456900,"prev":null,"subject":"erc8004:5042:342992","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. 0x60cca92ccb845577f03c7e6f406d3fe24d6210481a85af29be652dbfdc2210c2
2. 0x2e859075a4d26b4ec36edbc454616bfff0d426de6104c34a3c1acaf4db640e73
3. 0x65d5cf88917938669aacda4f739784c8e431140cae3635d571bedceba64056de
4. 0x3bc34266d8df8c22d5d2e950294ddd6e54a5daa9fa9b76d9c567725a43a9bd4d
5. 0x844c31f6b8741ead99cd5520f7d97e89a766f05f8cda0d398ccdd4a05b62b82c
6. 0x4c147d0f1ea801196e7b930ea49da7d1106ee4419546ef01d845766558c87a72
7. 0xb22f3aa6ddfa520c1b2d396b22866dd9544960762e1f5e140141100f73b18861
8. 0x85e0c27d940ff50f91ac0902cf6ac5b0b1f35df176a8f9781783580524032bc2
9. 0xf441a2435600669f91116c2b6579695906c4b623077af1f88a80cba0249b059f
10. 0x7b2fb136f17d9214371d3e0dcde38266b254c96e08204e238fcd1020ac899fd0
11. 0x7c8b2286c643e1fd1616ea63c4bb03c1d979d6b8f858312c841998bda0e26200
12. 0x3ba0d08d44f267f060b8797c517714d6114ad04f4ce28e2d3a474b83f58d4395
13. 0x98caa4ab6341a38b8bf1e16922248a68f0bb42f22d71342e71490297a39d35f2
14. 0xa2dc8f96b204e9ca3e547eaad92221ac78dc5f058c6959b821d49395bfe96c5a
15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94