Evidence row 2127780

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XN6Txj"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/87cbba05-321d-45a4-b49e-e648c8705216/.well-known/agent-card.json"
    ]
  ],
  "name": "Masso",
  "owner_address": "0x458b7f9c7dcf21d6d0bc42f47f916cfe91231a1b",
  "raw": {
    "agent_id": "91785",
    "agent_uri": "https://centralcity.ai/a/XN6Txj",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Masso 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/XN6Txj",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Masso",
      "registrations": [
        {
          "agentId": 91785,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/87cbba05-321d-45a4-b49e-e648c8705216/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XN6Txj",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793621090,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T12:08:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Masso 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/XN6Txj"
}

What the leaf hashes

{"body":"07b130bc8d327f01ad51b022e4ddaa5700305ab4e33ebee0918ed6d5b1004b05","id":2127780,"kind":"listing","method":"sync.erc8004/1","observed_us":1793621339929221,"prev":2127060,"subject":"erc8004:5042:91785","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. 0x8ec8cf445b33184e94e369cd18f97fcbc6a7587da3ecc7cfbdf3c3be14ae2520
2. 0x3e46df99ed5d63845668d1656dc420df133a86c6051d6741587c330c2ab91016
3. 0x19ae643050d5a8deeff75e02bcd905901cdc16061444b1cdca586df339723898
4. 0xb972a7c0f8eb90f049bf700bff40fd49e47627dfb1f91cd0195830f8125660eb
5. 0xba6c51cee84c051485fcb67a74662af4dac582c3c7d9b0f946bd9a5cedc9f8e3
6. 0x919ce150b802d9c766668a60e0d8b510c1c415f0e1dca0ae42b03e31a202fcac
7. 0x51e77f6155bfa2dfd8411d8897cb7376916f5e867263308590b3f6e1f37a20e6
8. 0x214f4f47abeb65ef534c5702ed36a926b9cba6f4272be52e62529fb8e150c767
9. 0x0adb8a4aca5b3652e9e0fb527e3c88788b2f2e6b3b167756cfc3dac7c238304d
10. 0xcc309ee9cd8c6196e8ac9e8b70fe7135bd69f90d9eda50f1fb80d6f22582e524
11. 0x2f63c8966fc2b671d4c4115d1d87977e70b5c16399390b231817b1ea38ec0442
12. 0x0a1171d423b8986d66fcb09b500ee0cce0433114096ff8bca257f6b3431db17f
13. 0x8e26ae8a6fa3c6baea1cd4108668ed189b835a519376f35f53b7ea9cc4800a95
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af