Evidence row 2544726

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/an1ldd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6155b7f7-65c2-471f-a745-58f41531f43c/.well-known/agent-card.json"
    ]
  ],
  "name": "Hamler",
  "owner_address": "0x8f5fc0cce409340e1e5ff03c000510720f0b14e9",
  "raw": {
    "agent_id": "165590",
    "agent_uri": "https://centralcity.ai/a/an1ldd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hamler 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/an1ldd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hamler",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6155b7f7-65c2-471f-a745-58f41531f43c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/an1ldd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:03:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hamler 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/an1ldd"
}

What the leaf hashes

{"body":"878ad4e136e0caf4fcaa7072abd4f32fdeec27a466415728c342232e689914cb","id":2544726,"kind":"listing","method":"sync.erc8004/1","observed_us":1793689400150768,"prev":null,"subject":"erc8004:5042:165590","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. 0xcc8d6d3d45404797fce9b67bc0846f2725b3d72cbe52b224a785db5c6f844acc
2. 0xad25d00dae52b1cb0c119ef511849d6c83e87c0997dd80e9d3cc8cdd485fee2b
3. 0xe4a6852d625fdd6314408ce16ade0c465bc6ebece8b7ce868bbb43b75814d552
4. 0x3253fb28b40720f8081fffc63dd6cfc757a1fa529c62ddf5cd529fbff067c2bf
5. 0x47fbc4ae33a03d3e9f7dea551562da8724d602ada1b1a6da0a41b2049b6ca24a
6. 0x1b70ad5ac1ca7b80788d36f8e8ca650899aca746e054ebef746c284b790de6e0
7. 0x8ed6f705989525be0a5c2e1e796840568dd425c7df48b94a6e26ff0e8fb49365
8. 0x84c4b6db1d6fac89685a335edf80d3b10e10ca667b7a1cad08b1261e5ce79a30
9. 0x17fcd67b22a2790b43da377264624f311a3a46a72c46eb988253672680ea6d2d
10. 0x4a594546cc605c629ef5f4e8f375c9c9b07bb64369f608e44551c285319297b7
11. 0xe1df165f3c69626ff1481a3ef6dfc2622e917ea17a78cd59f340066d301fb8d5
12. 0x15cd36344d974c55b6f580578f0563e541344467cef28231bd9d9db05e79f532
13. 0x33fc1351c38cd27bc6972d4d1d2c6baa7fb113346e29547df2fd38d8e6c92e40
14. 0x06f39b34e961f2ea2e8c7681b9a680b15d48774fc0534e19640f27b7f07640a9
15. 0x20b1beb78a0f066bfa1ffbab05695dfb2940fd2df005cdcab3ae2e82d26c01a9
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7