Evidence row 2186572

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/m7pgKI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/37928a7f-5bc3-42f5-b51e-674f2451d5f5/.well-known/agent-card.json"
    ]
  ],
  "name": "Beikon",
  "owner_address": "0x5a37924e8d920d553962d70ee204cda52b7ecb2b",
  "raw": {
    "agent_id": "119297",
    "agent_uri": "https://centralcity.ai/a/m7pgKI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Beikon 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/m7pgKI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Beikon",
      "registrations": [
        {
          "agentId": 119297,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/37928a7f-5bc3-42f5-b51e-674f2451d5f5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/m7pgKI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793642515,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:06:30Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Beikon 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/m7pgKI"
}

What the leaf hashes

{"body":"cec5efbee65acc133fd2d384f210282cfefdcd87ddafd5ee3c298997d033e0d0","id":2186572,"kind":"listing","method":"sync.erc8004/1","observed_us":1793642790434302,"prev":2186055,"subject":"erc8004:5042:119297","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. 0xee05dee0494c64ccce772bc99293b5bbb865186a4a2a89a857668c13d6d71e0d
2. 0x9813e634275b6c2e6d91d89f9919dbe66f324012f5a5b8d4026334cc41c1eac5
3. 0xd2f7b04a167a56c916086b7c4b49da31649d83572870b5584f87149ea256bac9
4. 0xee62378d9f0e8a085b1e39ddd31c53e2c4cbc07bea6af32550b7fd1a75b3bbca
5. 0x9841c9520bde26d929f5ad9c14e04d49781fb90cd8086b478e8e6e97fa501f56
6. 0x3090093a48bb7fa11e11195f24b0ddb26e5639be83409fb22b15ce7999895e0a
7. 0x54525d9c4bd4ad567e283c5bde422d55746f2dd76c11577347140d64d4f87eeb
8. 0xbea70db348896b844f114e140d4199e1e92238d076c25cdf30cf0136d64dad2a
9. 0x4a2b3d0d89788ce6fdb9f3e5fa6ab53afbd48fc4ba8360f4c8893ea08c6c8991
10. 0xd601d517ca4ee4e6d71c4d03ed97228900ea403ab4acd8ad71ff60deca2cd10f
11. 0x3e8e0a80d0d1e6892613c589815216d3f150228df9977c0e1624cab3ea6ebfdc
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