Evidence row 3400303

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/l4mqrU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7692d361-54c8-4265-87fc-60d80a810b78/.well-known/agent-card.json"
    ]
  ],
  "name": "Sostero",
  "owner_address": "0x3f157f750e006f7ddf0e48fe6fe7f83f867ffd6d",
  "raw": {
    "agent_id": "332698",
    "agent_uri": "https://centralcity.ai/a/l4mqrU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sostero 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/l4mqrU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sostero",
      "registrations": [
        {
          "agentId": 332698,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7692d361-54c8-4265-87fc-60d80a810b78/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/l4mqrU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793882076,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:41:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sostero 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/l4mqrU"
}

What the leaf hashes

{"body":"5b67cd12932b15c0050422223da98e44b788563ade8561eb5936d207ea49db2d","id":3400303,"kind":"listing","method":"sync.erc8004/1","observed_us":1793882480396862,"prev":3399930,"subject":"erc8004:5042:332698","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. 0x17e86178d97cfd30edcebdc9d4d8ce4e8f2f119d5fd4794d3ab7c6033e8e9ef4
2. 0x98b1ae0eb05447cc8a5fcd03e0b6f27609bda2728e606a60d665b4c577f6b3b6
3. 0x1151b857972b4f0d998d2b3ae24520e9fde07b34bcaab5582af094224b14e8c2
4. 0xd0c661f7b503dec517ef6bb7f1b8da21d491e82d09cfc93b2e59c6c0afee13de
5. 0x15aec7a1879a7a20a6d1a02c4c41d8f8f49e59aaabe4d56c3c845b061b3626ab
6. 0x5fc5c9814d2375b6ea8b3fe4c3f7a5b73af5d6c64d3265345ca9e0e6ee6531d8
7. 0xb3ccf27bdf1cf481e14a0d00b886d97f92030422e3341db5d9b2a70beb0ee4c2
8. 0x563f29c613108c8d1189bc0e9247d4cbdf425a6ab0670feaa703ac9582a14683
9. 0x6cade3e67b59b22f230de629e00ec23b77080600a25e6b10aa911221e269dc20
10. 0x76b3912fe01b5499865d2ebe45199d2bf223bb74d7e426fa8cfd9fd3584d4e98
11. 0x6e75c454a55ea8ce75e6c6c56bc5b604c22281e0aee0ebb674a53d21a6e76d2e
12. 0x74c4acfd5afa47a61759794386d8cd8118ad4005a79f7fc62f1fb2bcc9ca36bf
13. 0xe7dd35b25831ecd57d8eb7babdd2a8ab45d8eff0451e8a675499c6f431210fa0
14. 0x887993386ba8c77165972bfd61a7626182576fdc51fd76a24fcaca885bf67d2a
15. 0x752bb7ff1be85646eaf6af7e83e853b7b33e92ad9c57231f0b796b8997fb1076
16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94