Evidence row 2298349

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yZTWAr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/45485cbd-7e43-4906-ba9d-c19ef6765300/.well-known/agent-card.json"
    ]
  ],
  "name": "Grobino",
  "owner_address": "0x36306d4b99916269927c4c481c76c35b9fdec23b",
  "raw": {
    "agent_id": "140657",
    "agent_uri": "https://centralcity.ai/a/yZTWAr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grobino 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/yZTWAr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grobino",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/45485cbd-7e43-4906-ba9d-c19ef6765300/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yZTWAr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:11:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grobino 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/yZTWAr"
}

What the leaf hashes

{"body":"375377d472a380f8d3a15dc49f2452808f7fbd56affd41e3aa7b9ca8e3fa05bd","id":2298349,"kind":"listing","method":"sync.erc8004/1","observed_us":1793661072559222,"prev":null,"subject":"erc8004:5042:140657","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. 0x540fcdac98d3c1a42acc82705abfd65ff63a2a21d79cf77eb0c2314e656ae434
2. 0xa94814da719cf966f7e3a0b1653010a07c55958b8e3a96fc3a952348e397e9f5
3. 0xe6cb87c2404d97e87ffe18bd1059d419016aa6fc1424bd880373cd9e34367de5
4. 0x8cb5dfaf6ad5a84edebd0e0d7eb7f1e81b8b1601983567e2cebe85371eace3a5
5. 0xb1ad368cc5a787e2131102e441fbf1802657af0a6e16031a0de9621d68686787
6. 0xeb976ea59d4afcd9714f873543125b649423932e954ca85959076270953997b8
7. 0xde8a82abe524d61f50d97fa3a64fe03a8c9c5b3a36583020bce9ecd4b299b96b
8. 0x879e62b36a83660d8ca62e0dcfaa65824336275df452a12cca782a55e026ed61
9. 0x115f3da721c349424d3697efa23c8ca1fe3af2e32ecb3c90beb151a26601b753
10. 0xee19c596b35d5cff976eca5bfaf75d9779400b2665874396d5876dc870c65fb0
11. 0xa1080362e425a04174e3eb6ef5bd970f47e09f00e7e894ce8ce773f5ec2193f2
12. 0x2f939f81b3d9a2b0b3675f2495202eecfcd0bc01d5caf387a09af7c46e8e7e6a
13. 0x1af6bd9d49aa04d9f41d673388facaaa9e6daacb0aa9aad0dcf31353556f6ee6
14. 0xa96ecfe7ab9f1788120ca262a1b69b7b258160df41b4041d36fcd211c95d26d9
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af