Evidence row 2042839

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/njZpMh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1f94affe-a9eb-42f9-a3b9-80bdea677592/.well-known/agent-card.json"
    ]
  ],
  "name": "Grossino",
  "owner_address": "0x7327e3b13037db0f3d73e22460ed321da6e96faf",
  "raw": {
    "agent_id": "54425",
    "agent_uri": "https://centralcity.ai/a/njZpMh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grossino 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/njZpMh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grossino",
      "registrations": [
        {
          "agentId": 54425,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1f94affe-a9eb-42f9-a3b9-80bdea677592/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/njZpMh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793588699,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:06:26Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grossino 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/njZpMh"
}

What the leaf hashes

{"body":"4fbb314c45004cf7bd2080388351d1fe15f2100af5f93e31f41bf381cbede812","id":2042839,"kind":"listing","method":"sync.erc8004/1","observed_us":1793588786459864,"prev":null,"subject":"erc8004:5042:54425","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. 0xe7700f734b7e7717e4e84552424e471fff5b87709236493aad76775bf8c1a0b3
2. 0x6c5c6808abc9e8bb5958c45ae52126c49903b22c41c0dbdf53d980760c04554e
3. 0x8c189e073fa22c04e2f0c77c5e2692759cf1a1df205ab6903bab992024eb7548
4. 0xa6e7c29d353908fcd51511aaa47e8a018d83e9e0f98e8f9376a4ebc04c4f8f9d
5. 0xb62622d737368385cefc8f16c6aea2612e68d995c23f8ab0382e860cd0f2ec53
6. 0x501a7461aefd70a61fef974470f76c38025dacf48e819921b58b382097f10bb3
7. 0xa567aeb8c676a4c2808e0f59182ce89349095cc705a01c4a26016fb6cde6500c
8. 0xd9e34a707b123298a8008e96e0af9592c25b42d1e6e3bdfd0aaba3b854ad500c
9. 0x23dbb4cd8cfa7c0a6eee568db43a55f7248d29d4f4c41b5c99cabd92f3d5a74c
10. 0xeb77175545832079032c6c1b6217d919a2a08eb82b937b9a9171a0399c7c30c0
11. 0xefa8d9243871e2979fc6ddf8cb136359d9a8b6444343cc009a1cd50af6f690af
12. 0x841ad4eaef71169e03e95d2082a5c83db1b3a56a9753b17df04fe34aa579b749
13. 0x0418958fa118b0a6a70d8e336a1073213853f5a3502b9ffc66202cc82d3dd472
14. 0xf02baa2f8f9b385919b2f698b2e9351b84bd44118a8d5a72f2d1303df2c329b4
15. 0xd643f764eee39146411d4bff8903a327f4f8f55616e14e57281a245206d6ed2b
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af