Evidence row 2045664

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/eIW4O1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7d3a1074-c15b-4f60-a487-03cae1ed97fe/.well-known/agent-card.json"
    ]
  ],
  "name": "Massino",
  "owner_address": "0x0cf8e1a329ac6dde2891587c196814eadb775202",
  "raw": {
    "agent_id": "55610",
    "agent_uri": "https://centralcity.ai/a/eIW4O1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Massino 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/eIW4O1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Massino",
      "registrations": [
        {
          "agentId": 55610,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7d3a1074-c15b-4f60-a487-03cae1ed97fe/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/eIW4O1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793589687,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T03:23:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Massino 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/eIW4O1"
}

What the leaf hashes

{"body":"f2e28d25ed25c438a70d8c8f8f23ae604d3028cf832dc95c1aed99b064384f17","id":2045664,"kind":"listing","method":"sync.erc8004/1","observed_us":1793589832084990,"prev":null,"subject":"erc8004:5042:55610","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. 0x9db908e0c3d5efbed07e82604f3299a68f9e230b5e1127b12c60b2ddd59ede18
2. 0xa9fa91bb43dcb28a6a222ce1ebe2e06163469bd8df0998c69b4b50c55579634d
3. 0xfb860051750c14f635e7c66be0bd8eb20cd0e7e47332aaf94112726943beba0c
4. 0x3df9c69bd862a18755f352e046390f20f5a49b38c3972c4cc25357a3902a454f
5. 0x4a34bbb9c1012156d9b979f93808ca2b80cc44e521d9ef49b410ecd371ea11c4
6. 0x2d00cc5d969ee2035cb1bde52922f152d28dd4730f50ace08398f6ecca09d59a
7. 0x9084a2c3fd3aeb8ca0bca0de94cc76209c5679941b3da13a4b99ee30f7f8b8cb
8. 0x7a7254b094a4c0015e33dea57b43a2ab9c7adabac2e714350035d7b66795d67d
9. 0x4691f5144f24e774e57d377e8a755f27e56f62061443a67ce744758d6e9dbb05
10. 0xff9d18d1e1713e1393b19cb7f45fc745366e2d405db762c8d108330156a09d4d
11. 0x54a13335b33b794a226b93c2e5fe9ca894d919b8c8f1b3f2a39a57bd2456fd19
12. 0xe76812bd40e4cc597f49a99c25abfeed399db07d379b5ddc3f78d59b5a7e5ed3
13. 0x13372d9573063408d81df51991faad9353f3d2ff284b3f6343d434448850fec0
14. 0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af