Evidence row 2049892

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VBVpna"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/40383ab0-53c9-4a51-bac5-269409b09600/.well-known/agent-card.json"
    ]
  ],
  "name": "Grukeon",
  "owner_address": "0xd54294f7e001fdb3b6bb66f93232adc65fcf3fcf",
  "raw": {
    "agent_id": "57625",
    "agent_uri": "https://centralcity.ai/a/VBVpna",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grukeon 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/VBVpna",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grukeon",
      "registrations": [
        {
          "agentId": 57625,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/40383ab0-53c9-4a51-bac5-269409b09600/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VBVpna",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793591248,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:53:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grukeon 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/VBVpna"
}

What the leaf hashes

{"body":"8ecd884b08e88b59667b14505a106795cba0d218614613c4db6a2aba649ef8a6","id":2049892,"kind":"listing","method":"sync.erc8004/1","observed_us":1793591589837192,"prev":2049441,"subject":"erc8004:5042:57625","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. 0xed16720b6bc9b0b19d0530f9e45716dd8e3001f4afe6aa97d8f6ac8d6c192463
2. 0xefa234920b761481b103c0339dd2d5cfe349a73b22de79d9cc2dbc8a0826b0ef
3. 0x7c2856d78315c310620b569fdbf94e64c79ad020cef1019ab1da3c436063db88
4. 0xa65cab25c1c35f62d1fe00538ddf1a3a4bba4535b53dd9bd81fd00e81331accd
5. 0x10635e26513d774af5472f3666f5df4f8b585e292d68dcc130d076b7547e22a2
6. 0xaecc7f52258c1af88e0311ec7243df7b404a658e9b9b556334a1b76c69b8b89b
7. 0xe779f029ccd25a529995c3a3bf975dd359274a396e70c11259eda5aa2c040a42
8. 0xc6ed5a7c94d3f1dfe4d00a28a99fc0fb9d2cb3d966a94b580242da11243956d5
9. 0x56974a9a313b75b5ad7c242c7a4915e7d92ce2a49e21cb67778aee7a35694442
10. 0xf5adc718454b689884446e51684d6fb07530f783ed8efa8bef790f4fb99b34e2
11. 0x9796823e81b5ea9d6492ae99eb02f67cc89cd0a9dc29613b11f414750c71dbed
12. 0x003935e26459cbbc36612e09da82fb445f0b8844d8b644213247fd0844b7407c
13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af