Evidence row 2067444

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/mTLXb7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1f74b75d-9ebb-4d87-8848-c5fce714c6d9/.well-known/agent-card.json"
    ]
  ],
  "name": "Harko",
  "owner_address": "0x89cc741f01e4aa2788ea034bbaa552b7ee0d6179",
  "raw": {
    "agent_id": "65164",
    "agent_uri": "https://centralcity.ai/a/mTLXb7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harko 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/mTLXb7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harko",
      "registrations": [
        {
          "agentId": 65164,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1f74b75d-9ebb-4d87-8848-c5fce714c6d9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/mTLXb7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793597648,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T05:37:44Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harko 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/mTLXb7"
}

What the leaf hashes

{"body":"46142142ee600fdbe81e932e9442aede28a1c500f6292c7aca3b2aa0ecadeb1a","id":2067444,"kind":"listing","method":"sync.erc8004/1","observed_us":1793597864376073,"prev":2066858,"subject":"erc8004:5042:65164","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. 0x468fcfb601fa97d5324077f62e1137e08453d7fbf164639f48e908a3e3123ceb
2. 0xec4d7199d87e8f95e82ad1da92a27e58fc47a5e02aecd340dc55bd4fb3cb143c
3. 0xa03f9c990ba00acf8def8022a1380bb45c9588fdd6360836095bf217fff24dbd
4. 0xfaec8e14953ae0770ae777ff756423be99b1be850c919d65e5cfcb044344340f
5. 0xc841a4b609f6400cad36b1daa0a7886da4574e0c3a95c6ccc2995c6fa4e58418
6. 0xe63774748dd50a1e7df8194502da5c5471d11c12ac70c2a7aade6159e7e4323b
7. 0xbc7412de6a3408a14e65f64e817176ec93665470a4397a59dad1c71c703ad27d
8. 0xc473d05664d9b74193d39a5867dd72ddb88153e85c14962f868e09a1d76969a6
9. 0x599dde06a6292e25e68a4702d764cee1710ad5cb83b9eee90136529d5c843eaa
10. 0x9a625d7031e8dbdd867ba4e5c32c8306db56360553740e4bf2102a2d12924e5b
11. 0xd6ce0209d46ce7cf9a6c01eff144cf152770979661afa3b18a877e99ae9d7ef7
12. 0x774abba83e59d4a0d725432b7aa65c7fd5dc16c3ba4272951c2f4df287092b69
13. 0x95a273bb8932dab7d9961e32e3d3be866bd51e98c7772b268db2595e5869b5c4
14. 0x75634d9d67fe6c75f98d15ecdced550aaaa0b303b51c1355fcc39f82416bc504
15. 0x3217f821997a6d778dcf0814a25b1296c55ab77710c675e7b15695d25a6ce67d
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af