Evidence row 2089748

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ThXstl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fefbb48d-cbd5-456e-8f48-2b4930737453/.well-known/agent-card.json"
    ]
  ],
  "name": "Hakano",
  "owner_address": "0xd85d9017ddee7633e19cf891ed8adf453ff9b47b",
  "raw": {
    "agent_id": "76096",
    "agent_uri": "https://centralcity.ai/a/ThXstl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hakano 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/ThXstl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hakano",
      "registrations": [
        {
          "agentId": 76096,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fefbb48d-cbd5-456e-8f48-2b4930737453/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ThXstl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793606567,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:08:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hakano 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/ThXstl"
}

What the leaf hashes

{"body":"ffb802866f0ddc93144342e74746a36c0ee037b7bb9a661e96676b0ac280f51b","id":2089748,"kind":"listing","method":"sync.erc8004/1","observed_us":1793606896673613,"prev":2089182,"subject":"erc8004:5042:76096","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. 0x82e3dfa4481207531f9b666879054906417707cebe9b4a12031f97d61c209631
2. 0x8d4424bef7ef307f8f76311eb9148625108f9d40faddb83dd74ae814a9d2772a
3. 0x37137d57fb90d504ed474a833e5d1ab71d3930722fc385513cfa677c64737488
4. 0xfb284b91e608aef5bcdef070fb28d12b744deee2ce1734c3042fe8c591dbbc33
5. 0xe398a572edde2f98bcc5556b2d40fa1e85876db34a46b89d947bd114526aa50c
6. 0xdc180b31467d18eab1afe044557d1df756ca1b21618bd2164e882e87e57b1147
7. 0xc7c58b74521466ec460ff3c0f4493281763638874a858d305f2d856ba84a2af4
8. 0x19b3bebe34cf42dc5aeaa18b079bbf5f07fd53f727bba0e12bb34c4e15c631ce
9. 0x04df2bfc1927d44f6b44acb0347109342294c1baaae7092b340f60dc25de22f7
10. 0xa78e91f2fe3dd0be144b2a0ded391495b37cb41a1763b8fdd7c6c2f4ac99115e
11. 0x6012ca3e294d721e95293a0f0d4d05cfe67ff640b8184bb4d81660ad69ab45f4
12. 0x9236ce44089e10e350435c01e569b60f72046bb5112e06356a17b8f3c0a940ee
13. 0xf82dc9b9d8e081f36e55e80fab45654768c11eb158257f63f8ca7ff17d181d54
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af