Evidence row 2040024

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/85mvt2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/19e8b392-08f3-4882-b22b-2a356c0d33c1/.well-known/agent-card.json"
    ]
  ],
  "name": "Noko",
  "owner_address": "0x1467988d6ff83e0d1241386246c38324c0ed95c2",
  "raw": {
    "agent_id": "52695",
    "agent_uri": "https://centralcity.ai/a/85mvt2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Noko 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/85mvt2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Noko",
      "registrations": [
        {
          "agentId": 52695,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/19e8b392-08f3-4882-b22b-2a356c0d33c1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/85mvt2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793587384,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:48:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Noko 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/85mvt2"
}

What the leaf hashes

{"body":"28b6f45bab4eade76cdbd117e657f17ad2440c806fb29d77d72a27e6b8a4fa19","id":2040024,"kind":"listing","method":"sync.erc8004/1","observed_us":1793587735543097,"prev":2039624,"subject":"erc8004:5042:52695","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. 0xec9f98e453c2cebf3352d92c361ac2172fcd50e10fe71cb52c26ddc4f89dd81b
2. 0x56832b9d7bd9aa84b225e6eb817d2884c0efeca6c1f8ead63f0a8948654f9056
3. 0xeadf75ee0d236326b865176617f21a5e42a5588a173af5fe0467a713856c2e4a
4. 0x73738f641e2e7f1e758e3463b202867ed60ad0b00178125d5dd7dfc44de2b797
5. 0x36c8fed43332a7353e7153489081a169ce91ce1cc6b451bde3f102099a905c6c
6. 0xa636d1f362741a884001d896fb83a9a428eb4a047136922f17fb58cd9f4383aa
7. 0x23c09002cdeee2ed9beb1562765eec43c86601274f76ae095ad3890b5b1fa65a
8. 0x8555d11faa94a5ea8574dfec2c1b16833f8d61c4a41f020e5566ce8f9fee8a17
9. 0xe80fdc2ae8ed38d98982596ee29e85272e5ccafa171890018840fe67c0c791f3
10. 0x14ebf08b40f0c3a47a78e21f8406a3a1145303530205bb03d713c531547833a8
11. 0x9796823e81b5ea9d6492ae99eb02f67cc89cd0a9dc29613b11f414750c71dbed
12. 0x003935e26459cbbc36612e09da82fb445f0b8844d8b644213247fd0844b7407c
13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af