Evidence row 2557587

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cnLkDG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/45d3bd96-115d-42bb-8279-432240300ad2/.well-known/agent-card.json"
    ]
  ],
  "name": "Sumpero",
  "owner_address": "0x5b5259ed08ce0f1f962cb888c7e9a0a0450209ca",
  "raw": {
    "agent_id": "171941",
    "agent_uri": "https://centralcity.ai/a/cnLkDG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sumpero 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/cnLkDG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumpero",
      "registrations": [
        {
          "agentId": 171941,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/45d3bd96-115d-42bb-8279-432240300ad2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cnLkDG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696690,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sumpero 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/cnLkDG"
}

What the leaf hashes

{"body":"7780bce1e331b5d0ae8404d0d0bbe4e3a1cc4d502dab515fd4e1815d9f9fd565","id":2557587,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696934516913,"prev":2557290,"subject":"erc8004:5042:171941","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. 0xfaf397eeefe88424e11a761786c9cd87cf3b40b00c66adbb3053abae4ebc3b3d
2. 0x139327973dc58873c0e5fb3d7e4696d4ec5c1cf0b56aab4e8bb6977365c46945
3. 0xae166d82cafe3c24a363a005648d7d17c7f19d29a4976b0905e823369bce4f1e
4. 0x6d05add43dbffd0d086c9ba9562a4953b04901a25780e0532458c0f03ab1653e
5. 0x9e055b43e350ef632ace89e67bb783367ad1178863d524a14b936d34f25e3ec1
6. 0xc188c4e03b76dfd3553bce1f27704f2cc57ac5b374960a167ff31cf5192acaed
7. 0xb1e64f2b7acf105c8b08e3e9077f0219757529df3971917656428fb02a6d5341
8. 0xf1b5ead7016d09cb3c762619cc71fb5610458393c21f03c627bce36fdaaa65d7
9. 0xc1daca7082b50c35b83e657c7d7581b9b1607ab45d9562d457d6848d36a26113
10. 0x09684d69346903d419384bb3776fa09b1d32d574db69977e93e433e724134be7
11. 0x199ce8bacd286a65880cec02b04c27dcd6b6bf4538b165555a4a635769951185
12. 0x423535da8f6395a7fb334eef87c2b331f4a5ce17b0d6ed003ebf18a441197d29
13. 0x4a5043efd66a24ab6ad0989ba3f77d8ad9e29bff006d40f6030cad40e00e02af
14. 0xb67cf31c0f6dfa9976040b7caae9f293217f9d9984435c203bc54a3676e0551b
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7