Evidence row 2930251

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6VnNBV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1c1b8d2d-5df1-4144-a729-9e24c68ad730/.well-known/agent-card.json"
    ]
  ],
  "name": "Gramumino",
  "owner_address": "0x0d3d3e7d2e9adb380a21126ae3ab2149e4a8b75a",
  "raw": {
    "agent_id": "219095",
    "agent_uri": "https://centralcity.ai/a/6VnNBV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gramumino 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/6VnNBV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gramumino",
      "registrations": [
        {
          "agentId": 219095,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1c1b8d2d-5df1-4144-a729-9e24c68ad730/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6VnNBV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793758592,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T02:17:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gramumino 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/6VnNBV"
}

What the leaf hashes

{"body":"3fa5ccb3763fd663700bb4d3f641c2cd61545c1ea1ed0abe529bbdb99573aa9c","id":2930251,"kind":"listing","method":"sync.erc8004/1","observed_us":1793758678024160,"prev":2929718,"subject":"erc8004:5042:219095","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0x6a0a5c2966fe3ea33b55aba2ba7940d81ccf2bded98a81d98343b253b42cec80
2. 0xc172e0643525989727ec8f3b515af1ebcde1375884bc1ee1fd54952092239c13
3. 0xe6d91acbdd2948040ae23ec7890703cda2c499e2cb9c62c9dd01333c67ac891e
4. 0xe67337a8b0e761720752d11bd1ed7ed9c1e1e4f3aad740f1bf5bc46b78592852
5. 0x040a7699d1220d9a82df959d186eff609dbe9fcdf0db002f092c91ccf4f85ce2
6. 0x731146f802ae8f56e0cb944dd0fe39e7e534d6c4bff029c57c695460ec5a808b
7. 0xff5412b05497642c13a9e0c0c9598a4788805de439bf246d27bd4063b97e6478
8. 0x9f677946a68944437435bd0800eb1bf4e8811c861287d2edf34a1e86fa66e084
9. 0x22421a09888e0ae3679fa1471fe99995b5ccab8d6b054c4c44014a5df7317cd3
10. 0x0cdf4cd7acc3eb143c3d3c390bb427ee611e9aff9a001d540f1b37ead89667e6
11. 0x8f2a464bbfb2298acfcfba5f2c6457b528af6a86a47d08ca33b008afece5cfa8
12. 0xaae3003511203cf085fdc7ca24566ee20bb7da8bb177af3ec7cbf72c7ccfc23a
13. 0x216c4f7cb39735a92a679f53387ec2cc0b20dcad456dba44554a9756bca6b24b
14. 0x3712db1cb5396683f3920f9feec808cf32004edf753d19ee1e3de6f3e846c055
15. 0x0e10919b7a16f90360e54e6f46f983247d877881e666fe311966b12118be1c10
16. 0x222747d565045b8857fa26ae816cd563ae6334c25795b19227a65c6abf341de3
17. 0xd8e00ce5342a08a947d0a4806e7254d076614766392d88153d93cf58ae69cf8b
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345