Evidence row 2605884

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/58Sysk"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/af32ca86-e4d4-48b4-9c47-9bebbdf6390a/.well-known/agent-card.json"
    ]
  ],
  "name": "Hostan",
  "owner_address": "0xba6ec5a31fca12dd3b04f60fd87a1aa959fd96a9",
  "raw": {
    "agent_id": "191988",
    "agent_uri": "https://centralcity.ai/a/58Sysk",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hostan 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/58Sysk",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hostan",
      "registrations": [
        {
          "agentId": 191988,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/af32ca86-e4d4-48b4-9c47-9bebbdf6390a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/58Sysk",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793720872,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:48:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hostan 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/58Sysk"
}

What the leaf hashes

{"body":"b81473de1e74d7ebda990e90c28ac27ae649bb8bba0c22305a64aac56a3de80a","id":2605884,"kind":"listing","method":"sync.erc8004/1","observed_us":1793720927126276,"prev":null,"subject":"erc8004:5042:191988","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. 0x7397f135cee42d2da95848c96fc7a95fec8e5e6de8f4492bb381160f6d56a7b6
2. 0x0a35c6cbec3ab8a3886d31547962599260de927d891e5bf328ffff131b0aab34
3. 0x905dcec8ec8010cae945fa6d75c3d568bac2abb6673899e293c224974b472870
4. 0x8cd16ec0ba3bd3709c61bf1e6e3830fd963d2070bc97d2841d84df6151d4c4bc
5. 0x010d628848c7ba8619c9f64e599af990da3f2e44698758035751b0d22548e673
6. 0x85a794cd5682e4be47b372f56b1c52c0c0922919275c84f84f6ce5d817e466cd
7. 0x99f435e8ccec8e43c091eca20d164c0e8b2abff28af1caae13e92b07dc287963
8. 0xf20d2047bcd370f51bfdd5cbf5dea169931e57a563835d02bddbc80c58a0ab1f
9. 0xce0c29341659a0d2eddbd6cb47f6853baae1ac357e443eb79c4232a4efa7c5fe
10. 0x97b88c4cd82e8ffbc7b67d3cbfe45829f3cf1c418f9f00c9e05a98555b66ed0d
11. 0x41c195782cd43d4c38c1bb968bdbe3b106813122c273f8b621fcf16d52e0f326
12. 0xa74b84d5b52898537a474fe92b8dc6e935e836e61482e2ca9473db11202e5b03
13. 0x892eb4fc237b63aa9cb555db156e93417ecefd6e971d8aae4d777eefb8211946
14. 0x8888e0d25075a71372832a4a34d226613212be78f7f52e7bc201b28be0cf3c7b
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7