Evidence row 2535438

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ClyB0I"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3f360299-25b6-42c3-a6e4-21f4b3868aac/.well-known/agent-card.json"
    ]
  ],
  "name": "Nuvabel",
  "owner_address": "0x37e2b9118c6f1dc44c300be1fb51e2fc37f416af",
  "raw": {
    "agent_id": "161866",
    "agent_uri": "https://centralcity.ai/a/ClyB0I",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nuvabel 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/ClyB0I",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nuvabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3f360299-25b6-42c3-a6e4-21f4b3868aac/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ClyB0I",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T05:49:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nuvabel 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/ClyB0I"
}

What the leaf hashes

{"body":"b969a46b252b076c97e65588d50ce337871bef17ebd0b1ec8b32f7ece481b62e","id":2535438,"kind":"listing","method":"sync.erc8004/1","observed_us":1793684999474788,"prev":null,"subject":"erc8004:5042:161866","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. 0xc83178429bd138455313eb2ef607a8f032abf29e509d21bb94e2f1eb38f0b0cf
2. 0x44afe55b2138ad93b41de615156d5a4169887b943adc62fe30672a59382a4e25
3. 0x73484fcbd112be62b6abba2ad576baafb573e2e7816f9c8c7dab0b8895748b9f
4. 0x4fbc41bfece79e8c97ecd6a62189135c6edb5515c7cd799be7f30a0542b79798
5. 0x6c16a3170bd1302ffc002db3ad2440164f65ad47c865cb357b4342365d1aa504
6. 0xac3e36a57880db4b7e704b862f47d93ae85d2ad32984f61d0b01b407f52bf0d2
7. 0xc9f81535517af42b014a3da405b1d7b1ced5475b6810583373878b252fa806f4
8. 0xbe41eab715def16b0af90b707ed7eb6d0b475469601397f4b7fa6b908323f54c
9. 0x82b8ff4e1d95ffb8222f3141787c1a7ea958e89e181d3dfae73fda211300743a
10. 0xe6ee485f5bc27a827917156f84f611657e4f0798f2aa70db2da8559ffd092b4a
11. 0xa7680a2300aa7f406fc3501cd284ff15f0bd9775dd2ab207321a9feb1cf49b8a
12. 0x16dd40045e8f0cab53aa8d3c2d131ce041b4b36e5efa3f4a730eb95415d4754f
13. 0xe7d1bc5a19c72da3374cf6c5d9af49dad33e112742ba8c06c04d858a1df1fc15
14. 0xad3757a4386398bde7b5dfd7d1ed0d8391a8487b9cbded422b75d61d77ec3baf
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7