Evidence row 2619401

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Iw3tmz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8937aaee-cdec-4eed-a5e1-5c8d6cb9c659/.well-known/agent-card.json"
    ]
  ],
  "name": "Duban",
  "owner_address": "0x4b2e257868899ab61f55386a6222a0d881b943d2",
  "raw": {
    "agent_id": "197369",
    "agent_uri": "https://centralcity.ai/a/Iw3tmz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Duban 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/Iw3tmz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Duban",
      "registrations": [
        {
          "agentId": 197369,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8937aaee-cdec-4eed-a5e1-5c8d6cb9c659/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Iw3tmz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793727740,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:46:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Duban 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/Iw3tmz"
}

What the leaf hashes

{"body":"8220d3f26da1da55b29bcebb3c6af9e1e469d923506387768866c17640b8849a","id":2619401,"kind":"listing","method":"sync.erc8004/1","observed_us":1793727972784319,"prev":null,"subject":"erc8004:5042:197369","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. 0x362dcc0897c7ff8d8e1a412e373b3b6e8000ce6b274d9d47bf0ac9703fa40701
2. 0x382dbba3f0dcb88c7de387e69d4d4a1a15a26f3a424ad31b3cd09315fcb3def7
3. 0x3f1f006276bb88855485cb3503922c787e52c6060dda6b31b8d59245c3d97d6e
4. 0x24c021660f4afdaacd9b06b8b0e37dc8cacf05779309165c29e37a5d9843408e
5. 0x77b99f58afcb242fd9e223a481256cca8fbff6e63b3b5d1d901f0773c1bcee22
6. 0x3c9002a475b77c3402209a8faf3dd82d2d859d655eda79cfbe5ca7f6d788a89c
7. 0xd2b08c2a6746df097903669c94b686d3248aa8ce283fdba699cfb45c9a6cb466
8. 0xbb01febad562421e1f4b52ad6e7218642b8f171b11a884c24d7e1b8511172344
9. 0x50d2592ca0b51c067512bd6d47a1140a059432e8999b10610217d7d811d8ef22
10. 0x58a715c1003680d4053cebb9442bd9c8d5409bcb3dd0c1ff914c7055bc7e5f4a
11. 0x4ecb24bdc6727666f06ce753bd4dcbe32be7b82ee0fbec0dfc498920a48a15f3
12. 0x8b1299a08a79a30071ae7270431b2f886df96a8fcf70897e23fbd22985336013
13. 0x4435d30c5484a03bc119547d2071d78d19849c42083678f1d6af8d6dd8f74a98
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7