Evidence row 3299927

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5HjvhT"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/87f325b0-2171-44ae-879c-e8c957982b07/.well-known/agent-card.json"
    ]
  ],
  "name": "Haumpus",
  "owner_address": "0xede550dacb16a8489fb723afb64137bb323b1984",
  "raw": {
    "agent_id": "314320",
    "agent_uri": "https://centralcity.ai/a/5HjvhT",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Haumpus 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/5HjvhT",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Haumpus",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/87f325b0-2171-44ae-879c-e8c957982b07/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5HjvhT",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T00:45:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Haumpus 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/5HjvhT"
}

What the leaf hashes

{"body":"56e854d59ff7563f469c8d0fc84df5eb43afc56c41ab9be54fa99511bc49f51b","id":3299927,"kind":"listing","method":"sync.erc8004/1","observed_us":1793839526622901,"prev":null,"subject":"erc8004:5042:314320","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. 0xc0caefdac5532ff2cd541683b0cc7d575ae72fecd798fdf810689aa4af32395e
2. 0x7042d798fb6ce68c5c1188c4ca4d6d4098362afa01f728c56aa71501545f8eaf
3. 0x45d314f3bad2d7f477612cc8a7bfdecd9da6b5f6ccaa50e0d50c98d543427786
4. 0x16caf5f6a1fa0ebb72832a2df532705c22af9004598bfa809f5cb3c5236020d5
5. 0x17b6831ac3219e3f1843c6c25ef4ec7f88e9a21e4b28dfd5d20c75cb21b3b2a0
6. 0x15a564ad0c925396d9cad7eb7fed363646618c0c24cccda6ebc3816db3a875d7
7. 0xde384a5282497bcc92def8b7939228fea3d49c586f12df85ee81ead07ae35cef
8. 0x1438912417e2636570e5430b18c39844493f0b08d0123423d131f633c1a3ecfc
9. 0x0089aa22c9632540656748c86ad6debf49642edab0787d2d198e385acfc05dc5
10. 0xc9b3742b65d610784228e98b49a5b04ca3486e1600d3236a6cde878cf85cabae
11. 0x8c37e3182b25c3892093c617f368de8a44c2edef844a9832c86f7061bece29ef
12. 0xe55d570263fcb561e88c64c5ff86bb2d38f7c4f9824e435796e2ea9fc45ac9eb
13. 0x55867a06fdd11e86c7d431d312f147a1f70e6e8ac2c492ac84f0e660d4b68e1e
14. 0x876741791494e92b6f75db13043598085795215fa5ba6b39a6d004eb9c7632fa
15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94