Evidence row 2170778

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/12rkxE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/32948921-9f23-481f-a6f0-317ddd00a6e4/.well-known/agent-card.json"
    ]
  ],
  "name": "Grumeon",
  "owner_address": "0x21c398b5d1d5d8fe6c1fff5de85d4a023a23232e",
  "raw": {
    "agent_id": "110789",
    "agent_uri": "https://centralcity.ai/a/12rkxE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grumeon 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/12rkxE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grumeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/32948921-9f23-481f-a6f0-317ddd00a6e4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/12rkxE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:18:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grumeon 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/12rkxE"
}

What the leaf hashes

{"body":"9620be5e5fa7393e18ed77aa79c6890c50706a6e01c0b724dea60520b2079422","id":2170778,"kind":"listing","method":"sync.erc8004/1","observed_us":1793636329261887,"prev":2170320,"subject":"erc8004:5042:110789","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. 0xed3b2245ed6a4f446d11071dd7333faaeef97be680bb4850a423a17400bf17ce
2. 0xbd37ed83e5ccf61f2ecc0dbc1411d8328b6288f831ad7bbb512418b47b70fc84
3. 0x0be18754961f81ed3b638f6f12140bfa64a1a5914d180db6897af85ed23e21e0
4. 0xb00f00a58aa2b50267b1863a2ec95a05962c458ec0bbc0b9b43db97f65a47409
5. 0xbb203447c3092db100f5f67f3638e637321412ba7565505435ce801e63db1c26
6. 0x26cf920aaa216c7aadb682413c25628757b30e07bc998407c5bd16ff08a76978
7. 0xe4978c63800ef04d082e67d595c4883fc3b6f32de0c3b8447a82f9b5decc9cea
8. 0xc5ec2c72e5cf08e0de8578dada93889c7d4ab8ecc4735b937fe34af9f1a3bde4
9. 0x68ff18b826d37abf2d00984efe778c28061a820c1eb00f86cff5d9814182923a
10. 0xd585fa95a1eff9268c42df0933e15152e15bfd9331e78a0f732eda88057d8846
11. 0xc0038167bb048534c699daf9dc54ffd008a0d1f1d826e5514567ddc27bfab881
12. 0x81186f1d3fe58c5a37fc5a986c2e4440f453481f9e7d23a13c45f48adcec0bb2
13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af