Evidence row 3044569

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mr6hmI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/31bb4f8d-521a-4a92-bd3c-bb79aa47c6e5/.well-known/agent-card.json"
    ]
  ],
  "name": "Brissano",
  "owner_address": "0xd2295eaa954f1ed9b35d8220e3a3e88c18a8215a",
  "raw": {
    "agent_id": "272034",
    "agent_uri": "https://centralcity.ai/a/mr6hmI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brissano 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/mr6hmI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brissano",
      "registrations": [
        {
          "agentId": 272034,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/31bb4f8d-521a-4a92-bd3c-bb79aa47c6e5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mr6hmI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793815522,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T18:09:24Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brissano 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/mr6hmI"
}

What the leaf hashes

{"body":"23f0aba21830cfa979b0aca07081d2d88e7f6b431723927b205030068084831a","id":3044569,"kind":"listing","method":"sync.erc8004/1","observed_us":1793815764180539,"prev":null,"subject":"erc8004:5042:272034","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xa0cc4010bf8ba9ab31bc6591e412c53dbe416d93e65883312670816e583ff9ef
2. 0xa31d9e965aefba997c08be8ef8fef5ab07bcf0655d34828b97acdfc677e9a6c9
3. 0x83a179a9c51e4fee59432812d727b1278588bddeb1930522371538be30c5c202
4. 0x01e1df5e470b202eba2defc2e158e5d961d8facacbd0ada51fa47cdf046194e1
5. 0xf9470a8146add8a72da5d757b475be61fa829e866a31b3d810a4a92b2ac69f25
6. 0xe0b4bfe83c7253f3d7849f45d2cda4dcdcb939e9974695ef473d0366e1876661
7. 0xc79a472b8640c4fee0adb1d825adf733276f5cf74714cf000c5aec86f441cb03
8. 0x22aedb56538affa5c2a20c2e5cab6e8a26e56a85309e19560873d270cec5a41c
9. 0x02b2fa1763a8269816e02eb523d6b06dd6a403290907cc7852d0698926b436e3
10. 0x5e90e7586681ff8dedde32521618242912cbb8cf7c4c52d4cf96937ee3cdad17
11. 0xbbdb0daf46b984563d7ceedcba45d9d0ce661f98d89b07077209d36582f98d62
12. 0xa222fa255ee6b4b10ec51a12a040deb819a0fd80bda0357e6ea8f5a3efe61119
13. 0x4e3cf6adf9462457ebf291a4697658af6c0458a9430539ea82790d3b50c15cf0
14. 0x0acb776c7cfb7900304eb2e18bdaeb4d910683a314407142d6e5519fdff93376
15. 0x378b07f7642084931bbdf9bd843070621af094779cacfc2186c04d7a92468ab6
16. 0xaf6861b690de8e69efdec688615139e2df9624a773d4c6017d1ef5841d1ac724
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345