Evidence row 2578669

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/G8TkeM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0a7d5793-d8db-425b-bb47-9e9803170850/.well-known/agent-card.json"
    ]
  ],
  "name": "Massose",
  "owner_address": "0x5acb94142b28d4e7fee800b0daeb820f7829e377",
  "raw": {
    "agent_id": "181823",
    "agent_uri": "https://centralcity.ai/a/G8TkeM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massose 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/G8TkeM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massose",
      "registrations": [
        {
          "agentId": 181823,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0a7d5793-d8db-425b-bb47-9e9803170850/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/G8TkeM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708571,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:25:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massose 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/G8TkeM"
}

What the leaf hashes

{"body":"4ba1e4958339ecaadd5d89c0c7a69a59f54e8ee3af6136d286a5a3a947d86601","id":2578669,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708749064968,"prev":2577998,"subject":"erc8004:5042:181823","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x733a9f980dda775b9e1c490df12609d6575834547b9ae580c0023b9046b888af
2. 0x0f147b3225c9c2b0b2b6b1a8fe902714d63087c4e68a927511ba0fdd8e6f227a
3. 0xf0cedac9f7f2d31ed1df1cae63b859e66a49b506500c3319711f022238e5db4a
4. 0x0544134049cca0d6a3b91a1a0fa32c7099b6bb22af3ff0f93b2abb5a851c2649
5. 0x548f6cbe7ec35f77b88e22e30fcfda8dd5d4505f770bff7e699606d18a8ee428
6. 0x6b58c88cee900362d8ac4d25e6313b06834d8d70654d2ae65df4b342827f98ae
7. 0x606b145e5a64e37866db9ef81ee7b427415255e920f3a522610840f42f53cf8e
8. 0x86d8e0c0ba58edb7b66bde42661b2551d4e57302ae4d90db4d1965e68bc533ad
9. 0xa5c4b4126aa67b1c858b8f755ad345ca3162c821c6ff92b0c4c64196a1c030e5
10. 0x4219f67400c610acdd0775d9c3e508f8bfb54e19c5a327585a9315931ca4fdc8
11. 0x1b3a6609404533072f08d3d0e773a77f3abbfc6d2e676d23b264496d184b19ab
12. 0xa74b84d5b52898537a474fe92b8dc6e935e836e61482e2ca9473db11202e5b03
13. 0x892eb4fc237b63aa9cb555db156e93417ecefd6e971d8aae4d777eefb8211946
14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7