Evidence row 2120374

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/t6pUcp"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bb5d90d7-b016-4dd1-a6cc-99a076617263/.well-known/agent-card.json"
    ]
  ],
  "name": "Alempeon",
  "owner_address": "0xd8d33006411cc3370cf3eb4c22655763568d4372",
  "raw": {
    "agent_id": "88778",
    "agent_uri": "https://centralcity.ai/a/t6pUcp",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Alempeon 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/t6pUcp",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Alempeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bb5d90d7-b016-4dd1-a6cc-99a076617263/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/t6pUcp",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:26:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Alempeon 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/t6pUcp"
}

What the leaf hashes

{"body":"b142aa426a7890e599313bf86face0f4803627a78074d0faa946ed1afad3e936","id":2120374,"kind":"listing","method":"sync.erc8004/1","observed_us":1793618807365556,"prev":null,"subject":"erc8004:5042:88778","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. 0x4b92eb864d1c2a9c43e79a5174b5c6aff58cdc3d14b384e13b35772c3d95b00b
2. 0x0bb48e16428e543d23d37c26041f9ec69ba87431cd666ff550afe49d7a51ae18
3. 0xbf0234b5b21a070633c20c2e71b50c1870de543aada75d9107b488832534edee
4. 0x543f6902784ec3d4e5879299d446be00dfa0782beed11d14f0da0230d2e5132d
5. 0xd939e1b8a6ab7f67f341b8e051fa63e4b2e47c3a849ae20d27b0ac4f74730912
6. 0x497e25942144ed448b4738a63f5696e1337126a1c6edd6a03981fc61d8dce848
7. 0x3ff2eddc91886d43286f28af4256859e36c8851f3ec3b999fc658c761263a741
8. 0x7333dd13f115e02cb11947c037bb50cd3f6fe4ec3d86b8a10f6e44c4fcd0773a
9. 0x6617b386f6eb9e4a640b6489dff98bfc5495da032073e214ce900c179bca5abf
10. 0xfd757211cc26abe4b273b7d498cb5c666bca5248fdc3fd63e7f38752ebe52deb
11. 0x2d4bf17549b7dc371aa1c0252d8cb88bd4e60aa372a64e8d504325bb55032782
12. 0xa75340e0bbabb2f0ca98fb3825535e0c36ea9da96d1d4b1af9ca29649e0fc148
13. 0xc2ea6f7cdcf0c6904201c0d186a72f2a6fa2d355f41deec0e55aad057d5b8897
14. 0xf01d425f0c05ac504062d9b471f06fbf10480b3526efb1ee77bb71aebd05f0de
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af