Evidence row 2526876

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YivvVf"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8654e836-0b7e-4c4d-b33d-9a23395faa98/.well-known/agent-card.json"
    ]
  ],
  "name": "Lamert",
  "owner_address": "0xca57741fc6cd8786624ee0e0ac6c8dce3c2cbe12",
  "raw": {
    "agent_id": "159044",
    "agent_uri": "https://centralcity.ai/a/YivvVf",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Lamert 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/YivvVf",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Lamert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8654e836-0b7e-4c4d-b33d-9a23395faa98/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YivvVf",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:53:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Lamert 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/YivvVf"
}

What the leaf hashes

{"body":"b7d0179e3494aee85115b015901b00af3020dce6f4e58dd01a287010ae2c9b44","id":2526876,"kind":"listing","method":"sync.erc8004/1","observed_us":1793681592269131,"prev":null,"subject":"erc8004:5042:159044","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xf85ede69982b0cc1a47d7a81a19eb1613d6726961afd20379b1d6edc42af8890
2. 0x5657307f1d47b33f472ae2ba17e2c8425a3449191274c25b22a05c87ad441735
3. 0x60ea879ea77d0f4869d9ec88f74bcecce78311c61c78a3622f9b85ef611a3e4d
4. 0xf89020586b2c5315583ae0f66a5a53bb7ccd4a4a5cc65770897d436ebf81ecf1
5. 0x6e3dd8000ac0c427f6b8bfea0ca0c96e38699708bc54c6d4a9f628b1e04fe69f
6. 0x076b54d6bee43290730ed931f68bed9b2b739262a194302f119332f2b0ff2c0c
7. 0x8e8da1aa89e9002f430507a95da652d5870f114a76a63228eef5301e008b4e8a
8. 0x304cf2ec8fc1874f211d113e6e792ec4ed654a60209d9af924e7a35811a77529
9. 0x7aa8f71c7af90999fc54705e0fcec07ba9e2271c2084669c10dc4b7b6dd8887c
10. 0xc59d4ee27a794d9b0d47f6f5f1d0f82acdde368aeea53ff0004d5e3d20b078c6
11. 0x46303b05c937e5df7e462be5384035de99b7b7006fca1f08825e26cefff77647
12. 0x69d570430e0680b935f4539583daa1fe38a7c04eeec03c37ae6b8c6c43cc3040
13. 0xb82c6f9993ed0052af72159e6cca836ea7f9958178a63f242d6957a81b24911d
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7