Evidence row 2090803

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MA28I0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b718aead-fb8f-4d0d-8eae-01c34e9f5040/.well-known/agent-card.json"
    ]
  ],
  "name": "Hovus",
  "owner_address": "0xb49bc49bc9ab723f39a7dfde20a2fb50bcb7f427",
  "raw": {
    "agent_id": "76804",
    "agent_uri": "https://centralcity.ai/a/MA28I0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hovus 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/MA28I0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hovus",
      "registrations": [
        {
          "agentId": 76804,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b718aead-fb8f-4d0d-8eae-01c34e9f5040/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MA28I0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793607137,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T08:14:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hovus 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/MA28I0"
}

What the leaf hashes

{"body":"a5149067caf0f51b86cefb4510c6b151359f1df60f6a533262f30df8f630ab24","id":2090803,"kind":"listing","method":"sync.erc8004/1","observed_us":1793607267861543,"prev":null,"subject":"erc8004:5042:76804","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. 0xa27e88b4d8022bdb60dc6c71675f95ae640d88f3c8c56ae3780b6cbf86da3277
2. 0xae223d287afd78e98bcc490262ff09254cb6ee1d388838662260ce56aae50943
3. 0x787abddcd478f5bdf2383d27623351ee5dd8a22fa91bae723c0f38f58afd2463
4. 0xf1abd7bf46d24491b309a0cd037afcb153d61f2e5fd0b56f60f832b1058d034e
5. 0xfa3951d6ede985755a4690916efb4fcfc8ec30514521bad020879b52f61ae8cb
6. 0x7810b7b17a4a0945b6756fca950ec157dd8fee3462c1a807a7bd800cf5e3863d
7. 0x571e5c8bec73647ccd008f13196a3c110f6fe0360b6fed5f309e4854892f2e9b
8. 0xce2d29fbca48a554fc4e79a4bec38431610ea1a9b31104b2d445e006cb7363ef
9. 0xa8b095d8cbc704e11f53d84db31119f1bbd65eb2d43944ef52ddc0006a1db49f
10. 0xce178f0dcd9ded17ddea6749ac4d44e589c9d0f9cb6f19ca5c4025cef218b33d
11. 0x70885bd148a1ecfaeaa5b8338e40c080060ed9700cd44b72600bf76e6541760b
12. 0x521c6b8b7cc237cb9afeeb07debb739b49c1f394630b79cb24e75cbd2492c4e3
13. 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
14. 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
15. 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af