Evidence row 2558975

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/3x8uFd"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/587721c4-6410-46c1-b1cd-366c6368892c/.well-known/agent-card.json"
    ]
  ],
  "name": "Grindet",
  "owner_address": "0xf13ad3808df01000f038548b303f8f048aa79bc5",
  "raw": {
    "agent_id": "172863",
    "agent_uri": "https://centralcity.ai/a/3x8uFd",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grindet 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/3x8uFd",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grindet",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/587721c4-6410-46c1-b1cd-366c6368892c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/3x8uFd",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:20:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grindet 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/3x8uFd"
}

What the leaf hashes

{"body":"df7e01df680d2d218336be153d56070e584b8947d9169e3e7e39adcb1779d045","id":2558975,"kind":"listing","method":"sync.erc8004/1","observed_us":1793697610052638,"prev":null,"subject":"erc8004:5042:172863","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x9eb0657f29be7e8a4419dc2c4d0318eb622b4679b8b97157fc51af0a9d44fee4
2. 0x70d60388786d2db325cea9335b5fdada49fd4c68d802dbda97141f658eddf0fd
3. 0xcb6a228e4ca3e1c5297fe60f9b8acd1847e6ce2b6a6f5ad975ea8110956eedaf
4. 0x6d295b555463025fe1ce8946dd9bd24bcca27a3c606ed0edf9f329e1436400b8
5. 0x379f237e89f309fa190af8ec198a8b45f51d30c9a942624df2deebd8079f8da2
6. 0x5a757a8ff105c24a99844547b07a98df28146f9d121af5e9ac6b24681d71d2da
7. 0xc92787286fe8316cb41ec182a0e0df1138eca2240d877d54f07350fcddf7d78f
8. 0x5abe0c7d3476df5a3dd05da42b2b8ad8057a177e63beb004480f1e51df56b2c0
9. 0x60a4409e7b01afb20e9b4a6e850fdf3739bc9b1a8b6d516869f35f92187ae9ef
10. 0x20dfbbdfd80eca10fe811febd714c23a8ae61d232f51c2d84ed35db1a4c9905b
11. 0x76ec71e4cca4ae44cfa646d3f5a9114dab307ac268f5c04855d0807fb24c62b4
12. 0xe4cec4dfef92b38f34fc3e682f8bd892c0d4f2cdef1fef3f73805539ca9c0649
13. 0x8070cbe0685f508360b5b1120601afa35a96b721c6cad8ddc83334fbabead425
14. 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7