Evidence row 2493002

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UrUeGd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/23d97abb-fb79-41b2-a567-b0968fdd793c/.well-known/agent-card.json"
    ]
  ],
  "name": "Brumpert",
  "owner_address": "0xf409823265c03f4d88ef051559a1334db4d956fe",
  "raw": {
    "agent_id": "145899",
    "agent_uri": "https://centralcity.ai/a/UrUeGd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brumpert 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/UrUeGd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brumpert",
      "registrations": [
        {
          "agentId": 145899,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/23d97abb-fb79-41b2-a567-b0968fdd793c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UrUeGd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793667051,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T00:54:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brumpert 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/UrUeGd"
}

What the leaf hashes

{"body":"ec7c608fc9234be32267a876bb1926f4e58e494cd87edd8b4e5af21c34b26259","id":2493002,"kind":"listing","method":"sync.erc8004/1","observed_us":1793667248401466,"prev":2492471,"subject":"erc8004:5042:145899","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. 0x96c96112a32b14e2ece85846dcf323c239cf1f6982e53f2a1550361e4cbfeeaf
2. 0xcc989c72757d1c4026faa852017eb6dae2c09ce5fca05b917a6f8701c5a4eb7f
3. 0xd02baf4bbf9a5d879083565fa60bdb576c3ab18152fef32653046bd78a01f560
4. 0x9a55e17c5b0162c8f086aad6a74e61ed9f6e1959e58655a535c4fc8ed6db65ad
5. 0x8cae256ba22d8ab6139f6d48e5c3bdf91919b6e323ebf486c076dc2d419ec17d
6. 0xf287093b62c64cf4934778802fc1b8c2bd529d3055130ca000d28b751c48d773
7. 0x88d69b7d8ab4edd46f0c28f5e3d84bed3a355d745fe214249bb69ddd714c0062
8. 0xd673bcc0484c5f99f19189bbfda51368ddbd27b2dd0b4d5baaee981ba3330ec0
9. 0xc5fe17d711bffa26b2adb2c85e838fac5e5d8a89d521a6e8b2dbc2b45cba2849
10. 0x4cf5de40db7003df018fafbc2452d4a67c4e4c600b3a283a7eddcf3d672f7a69
11. 0x007a85111dc365b07022d9cf251f57a237904a2bf0a5560c55096265b43f507c
12. 0x8db2b39b61f2b42459ca792e7af19d83f3886b498ef84dc31e7886f89c940e17
13. 0x5eb4d2842bc51d57ca080aa4dc7186ed88f6167e2072cde9ff9c592fc09f16cb
14. 0x5c9ae28a0518d4809ee022d01782eecea78011098dc22bdff483a2aa8a023b62
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7