Evidence row 2042891

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NMiQ7I"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/86fdb1e2-facd-4cd6-ac50-c5d55fa0b399/.well-known/agent-card.json"
    ]
  ],
  "name": "Zanta",
  "owner_address": "0xe9a727a35c87c041282d7378c009363b5a9e560d",
  "raw": {
    "agent_id": "54477",
    "agent_uri": "https://centralcity.ai/a/NMiQ7I",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zanta 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/NMiQ7I",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zanta",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/86fdb1e2-facd-4cd6-ac50-c5d55fa0b399/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NMiQ7I",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:06:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zanta 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/NMiQ7I"
}

What the leaf hashes

{"body":"3a2e3c3d0d84ac53033d7c302155896178969e4b6e2f0010fc3ec26aa303b06b","id":2042891,"kind":"listing","method":"sync.erc8004/1","observed_us":1793588786599033,"prev":null,"subject":"erc8004:5042:54477","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xf25d873abdcb64e6e8bd6761127705be40b95b85c0ab6cc53ee742a3c8404ff9
2. 0x948f1a03a8923519f286564676a35a221e3970208dbc5e19c396aa8a51f80af8
3. 0x7e58de5501358c117edfab18ef84de60a9f4915dfe2339e82557cdd226111393
4. 0x7451cf970dcd9009972f0a14e10f66138be52efe5840e33c72bc0c5bbf4bbb9d
5. 0xb25b4139e2d91867d85d0d3ee9c0a70a9318b562f780cf0c1eb9006cfa54c4da
6. 0x096a6aecbf9bab9d86639114a17c139d368de49b9af6d89868ee184014f95883
7. 0xd751952d0eac9f5997384f9d1f26525f3ba8f78312dde09204109baf6b3caf84
8. 0x159d5b3b3894812ab6c3f9037f2a6c7ccb79cf67f48e2429802899a7edfe42d1
9. 0xd13fbc089ebbf84db52d3fa340780734dfac3bf74f20474d6ad91d324cf9b245
10. 0x890189a7995ee41679bf40a7819da0b5d84ac6f426f45e3fc3f08974a3501686
11. 0x801fa1a6c8c7a30dec3166192a063bef760bb0f4d8bcbc09e1a2320664835659
12. 0x584982b94b1f05a18922bba3f8ab6e95e0114fb1590617618d3c011faac442f3
13. 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
14. 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af