Evidence row 2551108

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YzApqz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/810a71fc-1ad0-44df-93cc-f09c15877b27/.well-known/agent-card.json"
    ]
  ],
  "name": "Treiko",
  "owner_address": "0xc8d2a5621c5805a909f1e995625b694b45ed67c0",
  "raw": {
    "agent_id": "168698",
    "agent_uri": "https://centralcity.ai/a/YzApqz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Treiko 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/YzApqz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Treiko",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/810a71fc-1ad0-44df-93cc-f09c15877b27/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YzApqz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:01:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Treiko 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/YzApqz"
}

What the leaf hashes

{"body":"caa78a2c78b75b5c95e3800add8aa1aff3852b9c704d2daefcf3b4894a135b1c","id":2551108,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692873312312,"prev":null,"subject":"erc8004:5042:168698","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. 0x2148f3e0499401bdad9a63f8d13443b6e31018cc83f50f7019d3885b918e689e
2. 0x7d4a75730d3071324f6c413a2962cc89cc3013ed54d1b774d631c0eeb5584e61
3. 0x417cd4854b35a34fc87d367874b2db5b0fe19193e097d373cffb2f0328ef3753
4. 0x8bbd73c10f582a4ab62a0a8012844773fedc57ffa6dcf82d874c6f719ddf9d74
5. 0xf8565114107c4fea5167b0cf4e7b0da05ae513d00ac9f8ceaa2e3ecbf8c463b7
6. 0xf3cd42c077490d7482fe5503e418ea84a046c5d551538fddc89710de1b398954
7. 0xd46320b86aafd8abd8272a2a7eca64478d1b3d78991c4634ff85967ff94ad18a
8. 0x87137f87086eebbf85fcab14b8e259dc014b8e74bee5bbc372a6222b279aa6d4
9. 0x07a9c63bcedbc5156d661bba038ee3e561bdd05314f32a89510c03ff5fed8a39
10. 0x0bd6789f63911514320554eebee92797cbb633c6360d91facfecaa6099ec664f
11. 0x314d8527f920de12809dfb70822f0a7a91936e6a4b0927f3f57134b6eec69c6e
12. 0xf3868fb2605c72c4bb9ede57d50d97fdbfc1e5ba7eba5de96f1352e52739f1fd
13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7