Evidence row 1820637

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/4lVfZO"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/75f263da-3188-4657-a2a2-dd723e39497b/.well-known/agent-card.json"
    ]
  ],
  "name": "Piostirus",
  "owner_address": "0xcf05ff1fcf0669dc63c8b509c5be63a0c8c9e6cd",
  "raw": {
    "agent_id": "23017",
    "agent_uri": "https://centralcity.ai/a/4lVfZO",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Piostirus 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/4lVfZO",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Piostirus",
      "registrations": [
        {
          "agentId": 23017,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/75f263da-3188-4657-a2a2-dd723e39497b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/4lVfZO",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563783,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Piostirus 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/4lVfZO"
}

What the leaf hashes

{"body":"2a3e4aabe338e8ecd854abcf4b333a5f400c4a480f7079342934413013245fca","id":1820637,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563955149245,"prev":null,"subject":"erc8004:5042:23017","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x0ead008e6d7b2264c3ca0c03c0e52c3ee3a41e230215e13e90066cb15ff10244
2. 0xde46bf6c23b8c13d84eaf466527487d198208bd92b651ec3d838ffd6a7c0b562
3. 0x7768e0aa322dbf79619c8be8be645fe9c860e359a1a2ee40e752fce550310d5e
4. 0xf4d60dd2197f3e0a6e0fb0688061b42f833d55fb43fb8b63be7ba48244478f0b
5. 0x617efc09343b5a019106b9db4ea2493209098a7fd41fff85abdd8c74832d54a4
6. 0x6a73229f42400b1e7696fb8f7850b60353f0d0a7517f84135069a8a4d9a66781
7. 0xdf4af34958150a3b4aac31a884c5d9815873a7fa833db82e522e19d5abf4a4a8
8. 0xc95483f972688567db538dcebdc3bdc45d0b51aba9efca1fa97d07df06bdc17a
9. 0xe7147777675f57895aae04797fd5ac11723f6ff198e8db79b00530dbd9a10505
10. 0x3c31311153567e332ca4fc09f25d993d22e1c6f2a76e010728002b98fb99db8f
11. 0xd5597532c281450b0df2f56db2a74b436896fbd35d132fbd6fa145fc72868eab
12. 0x117339010d29398a0ff6de29fcfd9e13898b6132d1c5c8c2e43a74b3118be6b8
13. 0x878db25c2f19310b2877bc95b8a8a21f712341fa2a543dcf19b36aa69747bc0a
14. 0xb44b8d5019b9204aa2c2f558cdc381e6729b1aeca3e674741fa07287022b1f0f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90