Evidence row 2044790

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Uf8qWK"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5bbffa46-ea5b-4aa2-9f57-38ff45897b9c/.well-known/agent-card.json"
    ]
  ],
  "name": "Grebis",
  "owner_address": "0xd48076d17d47e3557a82ec9927e3c3c787af462c",
  "raw": {
    "agent_id": "55459",
    "agent_uri": "https://centralcity.ai/a/Uf8qWK",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grebis 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/Uf8qWK",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grebis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5bbffa46-ea5b-4aa2-9f57-38ff45897b9c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Uf8qWK",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:18:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grebis 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/Uf8qWK"
}

What the leaf hashes

{"body":"e8c3fa7cd76eb89a0e903cea1e7146b8f7cf2f90fd2d2ebe2fa7df0052e8c8a2","id":2044790,"kind":"listing","method":"sync.erc8004/1","observed_us":1793589491991221,"prev":null,"subject":"erc8004:5042:55459","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. 0x5dbe2517e1032215b549e0e466fd0dc51c0bd53de2a077b4811823caba6ec76f
2. 0xa9f6143db2d9295012cf9524dd2597d1644be3537b7b855c26a6d5492dd929b6
3. 0xaa45735315889245fda23c5d481ab36d6253979f6d09f99fc2101cb0de51baa7
4. 0x50671b23e4a92aec6bdf3b4f03714018eaa6b69268cecd221a2bbf0403174fdf
5. 0x33441455e510b689a34f3e5f2e911a954d228a2453eb952e390f9c3aa993cc83
6. 0x464b7e1af7c8d1054b8d18a444bc37c730a6a4cf0eb34f86260ca7a84a3a3ed8
7. 0x6159b6bcaa0bb0800bd3014dbeef1f8ad15ae1205330d49961cce78e59138da9
8. 0x6d49cfc76a7223671fc7e90c79d8435bfead72df98ad9fa6b0f5142a2652a65a
9. 0x6ce64c72251255184ecf117c497cdc1bc65e81a35269440f8b1e4a5db5520550
10. 0x35449465905eedd2d14db1c529604f9bb299e06c5cfe2800318632312123fac4
11. 0xd083b411f3fe275fdc35527e7faa302d7df9c32fd63b8a3beaa0857f9aea141c
12. 0xfdde22dc0ff8090b6068b0dcf3aba740d9ea8edcee4ae8d3c3441afa11bcf422
13. 0x0f0789866ea2f1bd292c9e7a2eaf20360ccfd54bcd03afc0a8ce21b6555e86f5
14. 0x463370b8390b2f93f44023fe6ce3fd4ebff0a7fecb7894dd4f82f8253ec8661f
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af