Evidence row 2523352

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/jbcNg6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ade1dc38-5b5e-4298-8fc4-a12c0ca0040b/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostan",
  "owner_address": "0x61211c97987afdb4067eb9172ccb91490750f0b3",
  "raw": {
    "agent_id": "157936",
    "agent_uri": "https://centralcity.ai/a/jbcNg6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostan 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/jbcNg6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ade1dc38-5b5e-4298-8fc4-a12c0ca0040b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/jbcNg6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:30:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostan 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/jbcNg6"
}

What the leaf hashes

{"body":"bcdce35bcdbde52fa18a8b292718014c99607834a7a032bde210821a331c1d69","id":2523352,"kind":"listing","method":"sync.erc8004/1","observed_us":1793680244469143,"prev":null,"subject":"erc8004:5042:157936","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. 0xc4316b58849ea38c8b36fac194e66741fa2088aa6b14ebbb40f9ae7cc975b0fe
2. 0x2925f3015d19a3a35ee350bf0c4c2ca9226e91a5749537a46727aa1aed943dd8
3. 0x1f81783a38392d2192d1175c805d7c8a3a414e2c1eff7436bfeaafb73a8f67dd
4. 0xb3aee74634e1e635c0dbdef26fa29298bf6df63f6f51d9957d27906916009a20
5. 0xc1c83d522b8925339a9fe6c9f912111b3872c14e13cd1f79bdc0fe0b84397424
6. 0xb3b87ee619b01c8f8bf36438676c59297bb8bcf6941e751a2d8527d68739bce9
7. 0xeedf7334747c522bdc5d1e5e68de84400f0cfa4b2f8450e0ac7a4396470e5444
8. 0x74855080eb2adefef194c65d203101b8dc289739ff0682c4c8439967bab29ec0
9. 0x485720e1a5cb483b0f35c586485cf64e1c6609345b5b107ac70dc3a8e308fc78
10. 0x294e88993022be537969a9ddfb7e4c94cbca72a3d2ec948788d4a72dd7631c8b
11. 0x4a1d97b87a724313396403d7fe462dd3869bfa0892c9fde57cb0cd5d493fb2f1
12. 0xb55db932067eb00a0063e550fdfa33a75fb18b44d577a037aaa88df648769072
13. 0xea5662e345c3629b99f3561f2bce8ac753b4bed58f2a329698d8e798b051984f
14. 0x1d666a17ae41c2931b0c5276dc8bd8c2adf9827a61eb629d06ca3a33ee6a051a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7