Evidence row 3418659

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/QrYf8g"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e042d3a9-b216-40c6-814b-15f8e4a141b7/.well-known/agent-card.json"
    ]
  ],
  "name": "Mausteon",
  "owner_address": "0xe553e199db26f9ab88c6ff66e217c6d7da9a070d",
  "raw": {
    "agent_id": "341235",
    "agent_uri": "https://centralcity.ai/a/QrYf8g",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mausteon 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/QrYf8g",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mausteon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e042d3a9-b216-40c6-814b-15f8e4a141b7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/QrYf8g",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T14:58:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mausteon 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/QrYf8g"
}

What the leaf hashes

{"body":"efc63ed1f239c76517fc61cd5730489d651cc9c34f93b58e84bcd5da605085c7","id":3418659,"kind":"listing","method":"sync.erc8004/1","observed_us":1793890685943542,"prev":null,"subject":"erc8004:5042:341235","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. 0xfcf57faf4fd01374965ad1694847aeb772a998a864d624d57166f0133d5c47a3
2. 0x31967aa116393f675f5a0b53be2885944d385889641421ee6334c1d80b880333
3. 0xf97997bbfad18b309fb5931b9a4592958c77515a294bb6c51de23cae4441d2eb
4. 0x9a8383c5100ac0f80f836db3ada133436534d7d02baf52c863bb38270b4ed1c4
5. 0x50a6f5e8fcca2af816de13dfc0dc4a3cbae347214898f574c8be800102693ee0
6. 0x55692f8cc682acab52930ae201e941d27cf815207f3512c8b64332f6b4a02598
7. 0x3cd94becf96ca599d8479310aa1d4cb4181f5d4b39ce49d485535bb512ad1ce4
8. 0x1ac494e0c07d68eb7fef5927f7b4cc3417ebdf0e03137d5a2650d5c2943301a6
9. 0x4913ef8f6f3be3e67acf9a1f72d04ce06a335fd1edbccea6b208a7bf3c97e7c1
10. 0xbe2ad3cf50374ff23745cf05b62d65b5f836bc23fc2c4dcf70a8bb84965d59ec
11. 0x83035ff4cda13b7d2a49f344de2eed06e5f7fcd7cc4303523f2208498eba6c88
12. 0x552696606ea73b0163599398e1ccc97bf8b22274048bd7f82c6015f22cdf38a5
13. 0x32cdd5f985d6f5dcb852dbf3a7924ae74a936eee7bb229a55cfcc9eca125a03a
14. 0x56dbb7d889da4d5e4c8ee4460ba3f515c1cfa48fd0a091d65b32279673ea30a8
15. 0xc52fdd499240d4cae496484b3da9c532542859f0626ea2a2fc243490680039e2
16. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94