Evidence row 2290391

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/av3gqo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d519f092-f946-44db-a86e-4459cc8e6f19/.well-known/agent-card.json"
    ]
  ],
  "name": "Brampert",
  "owner_address": "0x53456e29820c8b5bfdddf166b2d376f18159afbb",
  "raw": {
    "agent_id": "137393",
    "agent_uri": "https://centralcity.ai/a/av3gqo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brampert 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/av3gqo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brampert",
      "registrations": [
        {
          "agentId": 137393,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d519f092-f946-44db-a86e-4459cc8e6f19/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/av3gqo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793657751,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:20:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brampert 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/av3gqo"
}

What the leaf hashes

{"body":"50fcac1ad5d3a6a5e52d9443eacae95a3fcaa36731d38b6d9d91fcfc16110a8c","id":2290391,"kind":"listing","method":"sync.erc8004/1","observed_us":1793658006025782,"prev":2289893,"subject":"erc8004:5042:137393","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. 0xef99810a40f833db00b5633a482553a8b817a1ef853eefc165733cd64c508f69
2. 0xa3bc649f62b00e6706201c45b014a674b3fdded609dbba254e819f42f4ad3007
3. 0x8a1000ecc5e1b3ca18999abfb5e9b17bd55ef1c3d7af661c3ccec3a32060c39b
4. 0x36120ebeed8646686f88b557cecedca6b1cac8b1da79425bac68dea7a91decd8
5. 0x2c056666c057ed87a15f4d3e1aa227c95c362bd7d87199efb933a8db7913bbc0
6. 0x0f6b10cd111c5b3aeee5130380d457ceee049477b6afca68baa0183b83e22f25
7. 0xf770a42093da0bbb3ba4a63cc1d1c971e8111d7bf9fd47ffed8123cf4bba3bd6
8. 0xe6e58b5c472b1279689a4e9107baf2056e11d5244885e6012b6d2f520165e6b4
9. 0xddb90c71701794c16408b4b22bc01e2f22023f5dbc174187753c65fb05e62d90
10. 0x3cbfd0614292dbb98c722dab0c23423c3e85d3c390da3a28fc71ec926dccfa35
11. 0xaa2e865008eca144975b207612c7c4850c0d2e9fd52e97b061a91248b43db0e4
12. 0xfe5fafbda84768aa127517412dad46b6d52750c98fd0471847d383ba9c0ebea4
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af