Evidence row 2556850

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/iwfvI5"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4a5851f5-feab-4fcd-b442-a270380bc01e/.well-known/agent-card.json"
    ]
  ],
  "name": "Hostamis",
  "owner_address": "0xb1eb0645ea342e1a87b078bede49f3422073442d",
  "raw": {
    "agent_id": "171695",
    "agent_uri": "https://centralcity.ai/a/iwfvI5",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hostamis 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/iwfvI5",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hostamis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4a5851f5-feab-4fcd-b442-a270380bc01e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/iwfvI5",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:57:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hostamis 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/iwfvI5"
}

What the leaf hashes

{"body":"adf776e8f7961e4e984ee9eb173a953ed5c02bca2733ded61a88018f967bd738","id":2556850,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696256352538,"prev":null,"subject":"erc8004:5042:171695","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. 0xa1c070be95ea581d0aecad91725bb2c400d0f0dedc23cb48765c547db3de8e19
2. 0xe3235fdd5667bc1d4fdfbacd45f2a8d5468009479ccc87dfb3fb50802ec4e846
3. 0xec0085b350caf4fdd9db78e0547a4f735d0a89538d2b7a6672e5d404f6fc9616
4. 0xa5d78cba145a1f258215decf4a071bcde45e73e292486003598966a468de804f
5. 0xdc4676a99824eeead3ccb39d8704586e618a8b1f1e917ee55d4e7d0811862407
6. 0x87c137b7dc79599f002950e5aa095ed1f7891ed2ff8b352d37a548e2194abfb1
7. 0x896df30c9f2fd09cc0cded8f14eb646fa8d686e5ff4817ef2728ac46936495d9
8. 0x68ec850c1f96aada7bc4c12d2e4d7e91ddb82ba1800dc56a9cb8e50ac74f0585
9. 0x212c82cf24ca52998ad145610d4e6781abe5b912634940df2bfd9dfe2a73f72a
10. 0x5513b97296c76b3fa556e091b2457b3aec1345ee1d3579a233857af4b1a21157
11. 0x5bcb54fdc34bcd4041e530b7af1afb01f21a4afd91d3e134df139daa41b2e8f4
12. 0x18e26c9ce6560a8dfdfac2a5585b2cf9df1ce96dc143db164f777c4bb4b3de47
13. 0xf28d67782c92bef914bcbfba8a09fe25600ef28046c4bb2c25d01c0f921a6c77
14. 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7