Evidence row 2043510

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4p2V8Q"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4813a1c5-3553-48d6-916d-0c14a896495f/.well-known/agent-card.json"
    ]
  ],
  "name": "Grassani",
  "owner_address": "0xd6facf4372f533ef39a8696ab491104531c2a4c3",
  "raw": {
    "agent_id": "54623",
    "agent_uri": "https://centralcity.ai/a/4p2V8Q",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grassani 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/4p2V8Q",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grassani",
      "registrations": [
        {
          "agentId": 54623,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4813a1c5-3553-48d6-916d-0c14a896495f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4p2V8Q",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793588843,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:12:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grassani 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/4p2V8Q"
}

What the leaf hashes

{"body":"ef8baa1b933ed3680f1ed34ee220d525833b907c0140d8ccedd9047da82c7679","id":2043510,"kind":"listing","method":"sync.erc8004/1","observed_us":1793589142534022,"prev":null,"subject":"erc8004:5042:54623","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. 0xf1399be1fd46f587df834c0981d5b5987150d948176660d1e6594c04773aab37
2. 0xdc221fd76890f83a72012322988a6b35772bd12572d300a843e84bf3b1015a31
3. 0x264e0761fbf24e421be9b8475ddb7ff7747839ea4549d53e20923a8d6319560e
4. 0xed5ec81ea0badffab35660799fdd020d278945e88e4db9aa7d9389f541931bce
5. 0x7d6727e59d5c379dc3700900491b17fb596708c10d8dfde73ff36f200e382fbf
6. 0x2b4e56fb54bc40af70555abe2b4063463375ec235a28d6fb33351f5c44d23c27
7. 0xf9691844905faf93ca9dec8324763f38bebeb29eb5e8487901e06ef8ef5597aa
8. 0xf20fd624cd174bde9d5affa0ae37bcd8b8408d891a800c53d94bf80f695d5983
9. 0xf20682e5a941b07b65c625a2967e1ea18d9bd05debe1a487f7c04581410caa88
10. 0xb0996049e67e2bf2627e68fad508ee06b54644be487871311b35e5b225f1090a
11. 0x2b18d7576252205a048ee60c8b3a507967d595c2705ca6a509f93aa0b3fad743
12. 0xb1cfd9a92a45cec10e39ecd4e3a55abe88d7bed40e1bf1019d4093968673e4e9
13. 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
14. 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af