Evidence row 2187491

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Q2hvgq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/0b94797b-41c9-49fb-877f-f0559e318184/.well-known/agent-card.json"
    ]
  ],
  "name": "Monso",
  "owner_address": "0x04f1ef4749be47ccf7f31e3520f8c20762dd3728",
  "raw": {
    "agent_id": "119830",
    "agent_uri": "https://centralcity.ai/a/Q2hvgq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Monso 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/Q2hvgq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Monso",
      "registrations": [
        {
          "agentId": 119830,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/0b94797b-41c9-49fb-877f-f0559e318184/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Q2hvgq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793642931,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:12:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Monso 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/Q2hvgq"
}

What the leaf hashes

{"body":"886934607f0c1b4c27d3cae6ec5b6fbff19542797a62e484c350e7a972018ab6","id":2187491,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643147612950,"prev":2187046,"subject":"erc8004:5042:119830","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. 0x490257e4ad4318af87a0c18ec2677b7b2cec94748693e7884069215c1fb4f1f8
2. 0x70c3fc2a4e4269e035da02c5f3736e107129be5bc62696fe2a15906e40e4c826
3. 0x28f92e2babcc9611e1e0c6e3900bb6ba3fa38a9a80ca4b6b9a10574ca6bc0c2d
4. 0xeef8855631d45b214d204e6fb62679deae0ad98f964b20f25aab2d7cd8cefbaf
5. 0xcac014085204ac8a6601ed7be167b5fe59e5d00930a2ac3eaacbe9a1e8bd512e
6. 0x1d4c3ff9461f311f438e406e5d2f1563eb68f3c4699ca5d368b513c4f91cdc9c
7. 0x747f639b973e3885bd799c2456c21f7244d7f62e8abe2e5aac3c959f33e82b6a
8. 0x6c992e0ec5d1777de479dbcc1b2580e4f8db3cf32ed74216f42ba11170ccb1c5
9. 0x79fbdb86fc65e081d7427d2a495e663a77f1151a0da1a3e49dbf1731097163df
10. 0xac6d951c5efee553d23f7771b3fe3f7731a554334ca2452ecff690aa53ab32c6
11. 0xbcd5e685c0a2acfe1a8a257e02dd8901ec54673d2856b455aef8f6e30e7d6de7
12. 0x9a1ec04cde3d9cc0841a4ecec0c42382183aa9beb179e075a86323d4b9f1e562
13. 0xa3336de478ff1096fe3a4c0522656d3a2923e8e721fe01f8fd137ddc7734c22e
14. 0xdc58bc56b35577036d6185abcf0d4c91a45df10bd65f767505c1d43fcecde566
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af