Evidence row 3455589

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YyNgEP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/417a8481-0e81-40c9-abfb-6348017229b8/.well-known/agent-card.json"
    ]
  ],
  "name": "Ponsano",
  "owner_address": "0xd21f0d7a3c7b2082e543a0e2a54d391ad3b63233",
  "raw": {
    "agent_id": "353121",
    "agent_uri": "https://centralcity.ai/a/YyNgEP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Ponsano 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/YyNgEP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Ponsano",
      "registrations": [
        {
          "agentId": 353121,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/417a8481-0e81-40c9-abfb-6348017229b8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YyNgEP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793911611,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T20:49:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Ponsano 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/YyNgEP"
}

What the leaf hashes

{"body":"814f0dafd5891b800584be515f52bac23485fc1d9460f2352a290858d055a9e1","id":3455589,"kind":"listing","method":"sync.erc8004/1","observed_us":1793911745800562,"prev":3455160,"subject":"erc8004:5042:353121","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x719b92939495743fa5455e8c1fcf3efd798dfe54a5628dc7b6b7a1a2dc1b3acd
2. 0x2d87ed5ea70e25064037c399501f5db2375c5ec69c1ea94905719965a787914d
3. 0x14cbedd9a538af5cbc52e87fc0b38fcaae7687bfe657848330ce535a4c68b775
4. 0x84fc9854054c9562799ee1b9a4e7e051f2731f410282bdc89de046d875ca90b6
5. 0x39a171546f96a9476a2b3fa9267c45c42810e8d1c33ce470bb4a7148e7cfbd6b
6. 0x4b59f51a26b7d35bcc1ab2d4b33ecbc2496a5dad6dbd183c56b13133c268a547
7. 0x5e3315c821817e67dfbc60e54b84aab1d507d4efd7b051d2248bbc594f0bf1cc
8. 0x3b06c6f9709b857d0640b0d78a70bdbd0e9180a900f65592d31be98e51ab8208
9. 0x4aa6dbb81c45490c13ea3b6a8dfd2789f9914bdb8b8a104c6a003a87119c4f38
10. 0xb28a0602b948cc7808c2f9c7ba4bd7ec4740a78a6829b9c5fb77d68bbe62b16b
11. 0xe55e255d98406ad579e8821811c1d403f1a55304874aed4e2d3195e19a98c6fe
12. 0x6241f7673df47f7b27844fd70bd939846609e9e2e57615af7783545d362b0ce1
13. 0x568da52d3014f0cdd62204781a8331ce81c5947b74b34ce000a9f8dd2bce1c70
14. 0x7a97b9b4888ef386a7abe73f8d9c076a7ebfba8bf58a95a273cd4304e478a2a5
15. 0xb5ea076f0a9490f58daaa0cbe915aa5dfdfe460bfc500eaea09b59c1d753d699
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94