Evidence row 2580176

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/PgAPb2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6ac7ca69-b535-41ed-a438-30ab511b5d5f/.well-known/agent-card.json"
    ]
  ],
  "name": "Harkert",
  "owner_address": "0xe7cfd6137a950569601e786686168c8b2058d4f7",
  "raw": {
    "agent_id": "182224",
    "agent_uri": "https://centralcity.ai/a/PgAPb2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harkert 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/PgAPb2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harkert",
      "registrations": [
        {
          "agentId": 182224,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6ac7ca69-b535-41ed-a438-30ab511b5d5f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/PgAPb2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793709157,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:37:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harkert 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/PgAPb2"
}

What the leaf hashes

{"body":"2dbfd3cba7b4bc9cdc5a4c64f7e14ee2ce8562bd11a177661e209343dc2903ca","id":2580176,"kind":"listing","method":"sync.erc8004/1","observed_us":1793709422252793,"prev":2578988,"subject":"erc8004:5042:182224","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. 0x47257b56b7e07b72710f49498c8ac7c557a63608128e77aef6b37e34489a35c3
2. 0xf1e428040d8011989bed578ba9f82f588fa09c42def0fc15bab97b3095840f6a
3. 0x57b4688fd70ab378c7474b5d49f0b9b684d5495f1c3185c4f7f6476217ffc4f0
4. 0x0193c0f34b84555df0605cdddffa169f2ec604a89dec99566f191f04252d9e16
5. 0x339d8a3bb38b59f5df0d3dac166d355cdb11cde86182f794dbc784333da91e71
6. 0xf45039d05f6e0491be0fcc9f03d90859a0744f08306c2b9d76eb568df462021e
7. 0x3f646fb36b4ef77967fc8f274b8a5810e1e30e87c2d468a0cc0f55c8170e20e0
8. 0x326f242f733b1564ab5a4c82630a2188bdd24c266ab3a699f3f7e90144c5ffef
9. 0xae8c97ade950f4239cd89b3a4139044976b923fcc50bd5f48e814c45f0bf977a
10. 0xc41f51e6443efc9f3991794b7991e9dbb1e31aa3dc2ca6d7ef7effc5a199fb09
11. 0x7064711a2fc1a04971f791d258c106ad1e41246b906323f188ce5fcb61b161a4
12. 0x9f93f87a48cb4128b528f27fa91d5a06a616dd48953cc6f35cbf44c12248d2b3
13. 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7