Evidence row 1780477

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zX3nbb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/462599d8-465c-4a8e-a117-a1bfd8f53753/.well-known/agent-card.json"
    ]
  ],
  "name": "Grassus",
  "owner_address": "0x63522186614da5a294241a2310770bd7c8691ca7",
  "raw": {
    "agent_id": "15162",
    "agent_uri": "https://centralcity.ai/a/zX3nbb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grassus 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/zX3nbb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grassus",
      "registrations": [
        {
          "agentId": 15162,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/462599d8-465c-4a8e-a117-a1bfd8f53753/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zX3nbb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793554780,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:45:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grassus 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/zX3nbb"
}

What the leaf hashes

{"body":"0b8fdf3d2147e5763f53116eb4b91e358a032dcf2b95a4b9d68467c7677c07d4","id":1780477,"kind":"listing","method":"sync.erc8004/1","observed_us":1793555114571082,"prev":null,"subject":"erc8004:5042:15162","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xf66bf0b2a8aa8728d6c867b6b0e3cf29c00935e8f332336e8a918c720371f00c
2. 0x9bac48c7c6ad7618ae2339bb9a9bc21d6be7e6d40228ce4b3698487677aef06a
3. 0x5ec621695ce37e4dce23804440468fe05d717b655cbcf32c7a3cc2582d83713a
4. 0x57c7edb7dd310f6e84f40bf36941f0cb55b4bc08cd69cdbf8c1cd0361fd73dcc
5. 0xe4816b75212237f691e9fbd848332414f28586587e018c74d071536f74fbcb0d
6. 0xd1ae30bea4deedb7666e4ed3826b6e291a7ea0937025fecece41600accf82e15
7. 0x7a87d07a7de14ed70384c364a953e426ee757dc84bbd5e6c6d938d8d2ad7a4c6
8. 0x7dfea614c3337b3d5c6d916d1e21e4a01b0b89f41e19af14e7dbbfda39a974b8
9. 0xdc4d751d0a8a5e3929469e2bcb05cffd5bbbb53f14e4249142c84e9009f6c7aa
10. 0xd4e82c5a3d6092162540de123782a9fad0936deafb33f8b220e1ffbfda6006c3
11. 0xab569470f180e4f9980adbd339a0d63b0f20ab53bd2eed2898c06598127a5434
12. 0xf8b312afb71abc1ae9fcd8b8858e0a4351bca64770e3521c0f4b8ea86a8933e4
13. 0x4ec6a6783b0fbf13d364df34dd919edbce7190c4f5424e6bc50d2f35967469a4
14. 0x9b4eda8f413d128915df51c98c771c8ee622b35a4252b9c2a803dd51ad66d4c8
15. 0x624db22ddd30d851957cc9d44cc5b314f300cfe0ff69cfbcfe0b2a2df8fdd12c
16. 0x1023fddec22f7cf1aff98422f0e5714dcc4ca7df3408bb6d4550d6f770e5033a
17. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90