Evidence row 2272785

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/kLDNbW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ace0d40b-9285-446f-a885-4b713350b3e4/.well-known/agent-card.json"
    ]
  ],
  "name": "Giosteon",
  "owner_address": "0x1bf397f38f183dc88d7e17784b3ee52182bd04b6",
  "raw": {
    "agent_id": "129748",
    "agent_uri": "https://centralcity.ai/a/kLDNbW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Giosteon 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/kLDNbW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Giosteon",
      "registrations": [
        {
          "agentId": 129748,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ace0d40b-9285-446f-a885-4b713350b3e4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/kLDNbW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793650522,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:19:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Giosteon 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/kLDNbW"
}

What the leaf hashes

{"body":"11fed93d888efec92b62cf5277ae14787c0b0b0607a1b719b998318461fa0ff3","id":2272785,"kind":"listing","method":"sync.erc8004/1","observed_us":1793650760165102,"prev":2272074,"subject":"erc8004:5042:129748","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. 0x400613b84cf773621ec4b391170c881b7dc8ce347ad1199c3108a63aa540bc53
2. 0x6e317f02a051a4146e1f8203f01a006f2b068cff191f34210de8d268213d2871
3. 0xbd08614e33e7b943bb43e106e4d1b234c8d4a2abbaa53fbb8d141caffc850b06
4. 0x78421c835f9c29148334fcc0b4a1c1bf29e6c5e2525858d3209be6276abe48b5
5. 0xeca2ba54b35b1c54ee75ef5038288a892b0dc4778457a9e8b3a9dcda4e2b5ad7
6. 0x68864fbee2326a4c8ef8957f4838122b2b8cc3592f8197df4cf947f61aee2e8f
7. 0x18de4dbd91aa7eddd8b244f45d1e4673737d3b2889b79fd7b698e82f0efdeba2
8. 0x74376de63e3af0e2da6b6ca3877e00b99353cf86e54b829af56c442d868464c7
9. 0x39641c5c6045e29fba8f56826c7852a8363f3b462de82585abd8dbb962cb4850
10. 0x25bc1500526fdd08538435f4b2b6ce4383e9d0ad1fda9be1146104246ca62764
11. 0x0d14ef51bcadc56e6732ab07b2ba69e4a2427bf4d83f4d4546571fff994d980a
12. 0x68e43cd8c3974680608754c4f2fcde66bfda1af2a2aeb32ec2d69634438483c7
13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af