Evidence row 2123641

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1ddxnv"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ceea8f9e-191e-4531-a69c-ae8cbe912adf/.well-known/agent-card.json"
    ]
  ],
  "name": "Zirker",
  "owner_address": "0xf37063aac55b6ac0c4b84e0fca3abb4cd76c42af",
  "raw": {
    "agent_id": "90171",
    "agent_uri": "https://centralcity.ai/a/1ddxnv",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Zirker is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/1ddxnv",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Zirker",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ceea8f9e-191e-4531-a69c-ae8cbe912adf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1ddxnv",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:44:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Zirker is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/1ddxnv"
}

What the leaf hashes

{"body":"f9f94b50cce8ed7544dde22cc69e4b4f13373a40490c6e394d17297c743ee691","id":2123641,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619891419790,"prev":null,"subject":"erc8004:5042:90171","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. 0x9cfb9828f56e745ecd108fe61e7b9dd8953bd28b66300f4fa50e286fedd758ff
2. 0xaa23c6649b95f881d0dec0a32654d99a06f4dc7aa6128ee22b1a871b6011db58
3. 0xd181e8bbee5fe0ef276b9dde309c52964066526e9bab457f7f3c9b1a86c44c01
4. 0x44ef7c23216438211fe8a5c69d135b93cc5474b254ef50e5540b4f68d840b9b9
5. 0x60ea37428614546e5adbe1f85c13e3601fbddaa2f07a2e241bb0af9ef7c94dbb
6. 0x998335ee4ac84af54d6e8f3ca8fb8dca0eeed52ea752af785af5cf3d73eb92f5
7. 0x21e44b1d4edf38ea21220b2ccee78685be08562f81e28c2c954e96296ba67df1
8. 0x610ec1a6ac4677d22a83339b7666e2c6cc82d6c5753c04304f2e6a45ee1cb3f6
9. 0x9378917f7da77818fc48500a987d28cac7a6d4103598d5f506a8bf4d188b9a13
10. 0x0f8e53ed534ba7c56792ed66e245f9f4efd2b341c86017bbed162105150e5e3f
11. 0x4513f52fe87daf1db700a9667d602fd3ef58ee1bb21a3277eeee2b77fdf3aa3e
12. 0xe76812bd40e4cc597f49a99c25abfeed399db07d379b5ddc3f78d59b5a7e5ed3
13. 0x13372d9573063408d81df51991faad9353f3d2ff284b3f6343d434448850fec0
14. 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af