Evidence row 2042467

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/djWpHn"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6c726f10-4bfa-4f8d-90ae-e1ff4d45f6d2/.well-known/agent-card.json"
    ]
  ],
  "name": "Hosteon",
  "owner_address": "0x23ab1094297697a392e923cb04f3330fc8629922",
  "raw": {
    "agent_id": "54054",
    "agent_uri": "https://centralcity.ai/a/djWpHn",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hosteon 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/djWpHn",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hosteon",
      "registrations": [
        {
          "agentId": 54054,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6c726f10-4bfa-4f8d-90ae-e1ff4d45f6d2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/djWpHn",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793588429,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:06:25Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hosteon 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/djWpHn"
}

What the leaf hashes

{"body":"0d6c1a4a468fa01cd68cc4f4a85c4bca33636f7887113ca7ac64c450d28549d7","id":2042467,"kind":"listing","method":"sync.erc8004/1","observed_us":1793588785514712,"prev":2042098,"subject":"erc8004:5042:54054","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. 0x7b9e68f5d10c559cbebe15da9590e18f8ec83d9a6cc315cc5f89982cd3e36539
2. 0x681d2a0a0cf8da0ee3def1c7c0931af1ec8da0b4ce54f9cb45f19745fc3b7a7a
3. 0xc0809365b47c1105b0470057745fb23bcf47241569179658c85361fc37441290
4. 0x7642d82a9041fc503b7272d9028018c0cbf544a373654a25415e8b8c884f2dd9
5. 0xd1f5c40309fe908a5f2681ce739cbf121e374940ae65d71bf5ea1480389f4618
6. 0xd31fb9b46249aba0ca90a89e03af9a3032c92dc14db67369a9406258a8e66519
7. 0xc6638655dd503cb0e1ed7e40cf1c3caafeccb3d4817fde1e04d3428cef6cb790
8. 0xacc8cd272391d8d58de994836cf65c142bc9f2fd33b14d1370ee7563652d6c37
9. 0x0728c5e270d2d77bc9de1626a65edee2d33ba406bc19060b03eff933b3d5f309
10. 0xb6c3044da4af13e9aa481fe8da301c6231d3b617f275888b3202e5d97f069923
11. 0x80614ff0bb118866855ba3177583f0e552fff2ad4af91f6481145be78d8dcd31
12. 0x8d1e21bdb30d190f33f362fb3e038520281852ad2d6e49bf14075b805164fae9
13. 0x96da2b0c348fe4c196311a3c711ae28b065713c442f3976e291c0a6f22cb1f7e
14. 0x3e60cda43ffc319c006284ca48609bc80da357b45fb9e0a57810e00816d3e8e0
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af