Evidence row 2166455

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/e66J6e"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6fc3572f-10fc-4b4a-9af8-b4a04745222f/.well-known/agent-card.json"
    ]
  ],
  "name": "Piona",
  "owner_address": "0x752adf96a5e8da448d14f46a044d0076e5c444bf",
  "raw": {
    "agent_id": "108461",
    "agent_uri": "https://centralcity.ai/a/e66J6e",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piona 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/e66J6e",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piona",
      "registrations": [
        {
          "agentId": 108461,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6fc3572f-10fc-4b4a-9af8-b4a04745222f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/e66J6e",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793634206,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T15:48:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piona 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/e66J6e"
}

What the leaf hashes

{"body":"82c87d1cf3411c4e3ad65a5ecf214bf76645d0cebbd452e040b0b7f7beeab6cb","id":2166455,"kind":"listing","method":"sync.erc8004/1","observed_us":1793634526242689,"prev":2165988,"subject":"erc8004:5042:108461","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x905d7a12f119bee4754a0ebf90e8b1aa42f181076c29d8635f89bf0181ca9a08
2. 0x0b1c4a47506da77016caf499b660e6655d8889fe894f35936aa4591cb1c53981
3. 0x3a1f229a69053bb42498369e06ec3bfc650073c28544dc5e3819d538f6c3b75c
4. 0xbe60245a1a5ab8d11f972e87e07c2761213abba9b13a320d12d35fb98eed14b9
5. 0xd21589107c1a72a241786161a9ffccb0863b33219831cf495518b72b47c300d5
6. 0xc1887bba0c4d30154571abd19eca914c67fef2f905780b867243a7fb1a1ce698
7. 0x89f9f50e6a7abe257afdf87aa86d35bcd8669bba868eb581536994d6c6b20d3d
8. 0x67c815a0be1e85e30ffd89fc548c7066c8392e29ce9fd6aebb37c2726e4fcbe1
9. 0xe1f4a73cb53e0974f94ff0772884669a7eef2b83beea6561f584d3b7168a3c11
10. 0x00d92f9e5746aa9bd4c5be25bb372864ae801b756483c38cd02534575e19169c
11. 0x44a5cad77dd3fedc5999f1587a59e074e73aae4b83894824e2e7767e7eabb7fb
12. 0xcc41efda675fd5f31ee9b82e2920f27c5b96c51ec4eacef941b7e4116cbf2ac5
13. 0x680e2eb544f0b0d7118b76ffef0a533f49c97860e3c70eaa1d07167760b4968c
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af