Evidence row 2720335

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/xYczVs"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8293be1b-cd07-40ee-bb87-3c9b768a3a7e/.well-known/agent-card.json"
    ]
  ],
  "name": "Gradose",
  "owner_address": "0xa8c3e10708d52377020d0ad563d17e9c9e8e9648",
  "raw": {
    "agent_id": "207919",
    "agent_uri": "https://centralcity.ai/a/xYczVs",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gradose 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/xYczVs",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gradose",
      "registrations": [
        {
          "agentId": 207919,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8293be1b-cd07-40ee-bb87-3c9b768a3a7e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/xYczVs",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744090,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:17:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gradose 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/xYczVs"
}

What the leaf hashes

{"body":"08c58683e8d7e6573f591dc2f7f67545b5be36dcd4c7a339a7d31717a8221856","id":2720335,"kind":"listing","method":"sync.erc8004/1","observed_us":1793744267222068,"prev":2719987,"subject":"erc8004:5042:207919","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. 0x5d2df391e53055791c7435152f22f89d7d4ea5f095c5a0f17b8f994e8060094f
2. 0xef97037d0cf812e87c32abca1760fa1245a3a885f2f3eeb4d08bbaaed3b15ff7
3. 0x85130933344ece52df8a710cc1bd391c834e58fc4289bdcdfbb077a031504ffe
4. 0x9c22174f4173c0d6ce6e198ea057544e7d248633bb3a9b3101b4a52a26371f0c
5. 0xa64cee83449f9a966d15bcf7cd71c11af62e791908c4d350a698970480576d35
6. 0x6a20b7e52af998c40072e3ea96bfd6efa1b902984d46d20bceeaa94859cab172
7. 0x9dc55664ebdbfc7de1dd38b6cac1a23726786d4374b67984fd3e85aa38d8a114
8. 0x7b4303f4e24656f2a01e605849e11a105a2fbf4d81c11da6f645a3dcfd6a778c
9. 0x26efe3e8da807270818cd0e0f351b7d22c9da50fd7c0a1763d713a464a0a2bb4
10. 0xd02fba978db492ed022c261c331ecec2965afcef133a0b81e1009681fb6f187d
11. 0x42742daa4ae3f355a9d57fd91fd326bca019f6a5d7e71c185232a70ffb7b2708
12. 0xc9cb46de0fb34249d46d050d7b3c6e9eb235979a2c666a5e730bbfb605a8d465
13. 0xcf11475fb1d88adbcfc7a6c6c088c0d1cc115e211d125d8b50181219cb4beecc
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7