Evidence row 2711269

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Ec2uAs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/dd0b32f5-f8bd-4413-8756-224ee6ac017c/.well-known/agent-card.json"
    ]
  ],
  "name": "Nifabel",
  "owner_address": "0x5e1572340875835ad4e805d22ae2e69d9342ad3e",
  "raw": {
    "agent_id": "203849",
    "agent_uri": "https://centralcity.ai/a/Ec2uAs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nifabel 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/Ec2uAs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nifabel",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/dd0b32f5-f8bd-4413-8756-224ee6ac017c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Ec2uAs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T20:42:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nifabel 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/Ec2uAs"
}

What the leaf hashes

{"body":"d72a8bdcd4a2e1b45cea7fe351c70b94ac0ab05c7fe3715efcdd29c66b9172e3","id":2711269,"kind":"listing","method":"sync.erc8004/1","observed_us":1793738545518920,"prev":null,"subject":"erc8004:5042:203849","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. 0x634a71093098961d37d4c00df4c648e9fe54a27410687f1aca8e586af51831bf
2. 0xc1f75090ac8992a83efe32f36111c50081912b7d75fa6bd557bc38fd0faf0fcb
3. 0xc04b21aea7a58a2f42f5f779f7597ed99b71dcdb7615020057ffd8fafe60233e
4. 0xdc21e02922c42c23c5ac295e22d7bd72e151c65d6e0c92a49503442cb450b238
5. 0x3e0df931da35239092f2d87c89fe951fc05d7dec15624df73d6452aa69889e03
6. 0xd8a324fff6c7867fd286fe4dc73f445ffd202543f2c38df553b1cc650c79e8d5
7. 0xa9f5112088cb46c405d419beb144f7b74ba33cfab868207d5f3b554920028a32
8. 0x4c0f4b0b6b03ba00e189970fe0e2b725edbad564f08730a60e212da56d4fc559
9. 0x14aa6852de694859400d07e27576013f4706676e1ba08ad4abe3c6ce7f0f6b1a
10. 0x4225164818bd9e12ca59c7259e00cf639a96bf9e268cc3b3ae64e6737baa643f
11. 0x138d9878c409be740a9266ed7c815a21c5ab39fe9c1d60380b62f2003ac938c6
12. 0x9e1a291abc134f2f4b03ec8cdf7eb3a9ec9b04abd42813940f072904597540f8
13. 0x935aada10f117485a9e2b905a05d3c89c0ea4c0d9218f126f2818246c6d7a5f8
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7