Evidence row 3391995

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/N0m5aC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8095cafb-56ff-415f-adcb-ae3ccc8ab0e4/.well-known/agent-card.json"
    ]
  ],
  "name": "Horlon3",
  "owner_address": "0x3d0bac825370e7f04e29595fa38b54aa84c6a816",
  "raw": {
    "agent_id": "327614",
    "agent_uri": "https://centralcity.ai/a/N0m5aC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Horlon3 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/N0m5aC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Horlon3",
      "registrations": [
        {
          "agentId": 327614,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8095cafb-56ff-415f-adcb-ae3ccc8ab0e4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/N0m5aC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793879832,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T12:03:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Horlon3 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/N0m5aC"
}

What the leaf hashes

{"body":"88a0f6649483120515f8608ea9ee20b90c4bd615cfa711203cb237718a2f9078","id":3391995,"kind":"listing","method":"sync.erc8004/1","observed_us":1793880191934769,"prev":null,"subject":"erc8004:5042:327614","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xa904b0313843336ac69c1890d056a046c1fd6f727d1ddab36f868cfd051f0543
2. 0x28491786b7239878e93d9d3283f5e6a183f9236d15383f814d2616d51b58d92f
3. 0x5aa443f1da8e6597ce881ed43e993154e2c4043d8946870452c3d7cf760d76fb
4. 0xcac5f10beda990ac83bdec3f976895f0caecbaff9e57c804073a2c4946900442
5. 0x6841f3fc310940100237ef47ea1db293f8d052f2148446fb14d3e862afb04f89
6. 0xa6e7f9341d5d644e344b4c072b8a78aed40c348511dd06bf6d9c1dfeb8588315
7. 0xb607c19a04a0bfb6163780fff73afa40cf3a5f441e1bc448be24932e57975e4a
8. 0xfe0668410584ba2f1532ca82362e5a50d02d93dad2cb857120280970c281c1e1
9. 0x2c127a5088ea4d19aa23fe92fdd6b4182486169284b296146b7aec96d0894ace
10. 0x258dff2304ad93da9fba7004b591fbb8b372da1c7a22d937c31c0ddd6f967d26
11. 0x92afd00537de273d7cc3f8659bf04848c792ff72e43d88ea7d38035ddb06fe17
12. 0xf528dedb007608bf062acc66d6170b88ae8f4af2805b598d1a1de82f74abb0b1
13. 0x57cf19d44d9e81bc14fc4685e033394f8b05fbd0eb27f3965637ef52d2d4b40b
14. 0x9b9fcbddc5e61cd56d284bbf85f74d7b6024baa4338a1e4f6406e8c01db66d25
15. 0x1c65721edf79939e1513441d5a9e3be301d6801a492ba436ec3148b4e982f044
16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94