Evidence row 2991822

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/klBg2h"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2109c8b5-135c-4526-9b6c-14b4a8245d71/.well-known/agent-card.json"
    ]
  ],
  "name": "Steissano",
  "owner_address": "0xb473ef8843d7eb01f9db7c2f7ffe29056d06ebcb",
  "raw": {
    "agent_id": "242208",
    "agent_uri": "https://centralcity.ai/a/klBg2h",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Steissano 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/klBg2h",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Steissano",
      "registrations": [
        {
          "agentId": 242208,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2109c8b5-135c-4526-9b6c-14b4a8245d71/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/klBg2h",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793788666,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T10:42:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Steissano 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/klBg2h"
}

What the leaf hashes

{"body":"fa3e07a78436ffd40cf3c747fea41c4304859328669df6bb89d6556f2c2b47f3","id":2991822,"kind":"listing","method":"sync.erc8004/1","observed_us":1793788929550139,"prev":2991572,"subject":"erc8004:5042:242208","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. 0xb322cb84d16898422934fd4746e9fecdd65b52bd51ac1c912162c8e66a137bbf
2. 0x80d3a3f919561e2a647e3e542c5acaf7a238433725b404c00e6ce627b67547de
3. 0x21c0ab01ea7a7a6bf8ec9df05e5ce07caa7af6c1f01b509b995094d2941c05e6
4. 0xbcfe8688e122a362102fa8ee194e57c3199a31b50b1a41456c0684d7b70dad83
5. 0x33cf9ce7d224f58d8d937c310ea3b92997194c6edf364b3f1b58b46d9c84d58c
6. 0x555ec7409998da1fd800ed792ab0a33ce2216d47d4ff878999e1dc52ecd93a64
7. 0xe016cfd880a706da7cdf08054a354baebb11bd3d866cccea93eacd0ee990dfab
8. 0x771cf97d5dd00b731063c5c216f212bcf8237f08107e76174038ad91b68936ba
9. 0xf1e34c01462df77ce58292b94b85b542303115184617df26f9d42ace6b1c05b5
10. 0xc7e6f92dca9fef901bf2dd29664101d9efded724ffc9f85f1f1cf2c92581cb43
11. 0xa8d606ceef693855c402fc351298d235011c3da003b94c3129d3229e247ce401
12. 0x78357bdd82a089f8a0ff812c18c0937570e34f16a78657e6515b184e0c996011
13. 0x7e888ce63b4cb38fbd4960699aa8bf4042a285ec16af835a364b7fc414ccb08f
14. 0x494b466b3bfa0226a2c352cb1002412ec2f3d6fe45fdf4fa746e5dd945de3a9b
15. 0x99e1d917a09f567cab45503a7bb813f7329bab71a3ee4058b136e2e24fd38eef
16. 0xa81588732e20541f1fd63a8674c3102204c511e11cd493c1ebf29abccd23069e
17. 0x321a352f90893ccd0656c1544d31825cd29cf74464e924a4ca7fb29b1f8ee0fd
18. 0x9c1c771179da4a002386557e8601b2d4983c3e366808477ee20da18c282c1dd8
19. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345