Evidence row 1820407

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/K4XUxR"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/01688c1c-47eb-4766-a488-c16e9a77e0e9/.well-known/agent-card.json"
    ]
  ],
  "name": "Karkisto",
  "owner_address": "0x92af06f2d9086bbf069815b53ac413695ac9e1da",
  "raw": {
    "agent_id": "22787",
    "agent_uri": "https://centralcity.ai/a/K4XUxR",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Karkisto 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/K4XUxR",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Karkisto",
      "registrations": [
        {
          "agentId": 22787,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/01688c1c-47eb-4766-a488-c16e9a77e0e9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/K4XUxR",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793563619,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Karkisto 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/K4XUxR"
}

What the leaf hashes

{"body":"6438facb4842603911a01c8333190b473b6b7663c70f90c1a869e5f46d5df1a9","id":1820407,"kind":"listing","method":"sync.erc8004/1","observed_us":1793563954521964,"prev":null,"subject":"erc8004:5042:22787","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. 0xd09f3a73dfaf2cc10b7061275062eb0771c6c380252457f3186a423e5b0fefb8
2. 0x608574a375ddf81e16c65042f3f30dcb4e5952f83daa9912d01fa7e3e8c42da1
3. 0x1e3d212b287ef9fea1f4649567bf980cd84568e9f1dc0d84d4ff104a0fa1a81e
4. 0x144944965f20818a1440354aca4aaad8a764b6635fb0280d3c02e58c201667cd
5. 0xcea673cb7f7f2052ba6d8cf380061e17584d763c45ee4e147ac462bfe86d57d9
6. 0xce82f3472caf2cdf8c0e58e24079ba5b722e153161fcbaabe8940e44f0cb901c
7. 0x5ce417043274ee111753c4a254e761d1f6a81c35e0d1e8c198ffe78504469804
8. 0x062d1438da4d9b8a7e84ba30fa3ff15447224b9b3c6f13826d9e60998db56ce1
9. 0x2b6f2cc74a31a0ce15eb6d0a9d6e6360b91c82d89dd1034ec0498a3523ce9f8f
10. 0x4db5e21b0052dc1177ab606db9d83cf269343912cd8512f358735bba77da6b2b
11. 0x9068af017c80bba828d931e583d86ff9a847bc48db3947583079ff95c79f6da6
12. 0x0032986be0486517c7f89f9578ee463311586d03dc0068111a40585b1de3cbab
13. 0x3050daa45d874dca785f324e89aca8fa3ef2f8a889ac7ef7a4ed23bd6db53a62
14. 0x57b5e8b79f831258fde2efa4c7b70cd486ce34b32e7d612a6965c086ed7a75e8
15. 0xd3f5c237675f14686b3a3c2715c6735a96952155107d7b2cb9a44c56420170bd
16. 0xfc183bee85dc11a067fb710c6eb88824b94a516ddbdf2717b839e672a2206a7e
17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90