Evidence row 2022125

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/f0z88W"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/bfd0708f-9a62-402e-9178-d3a0d4386112/.well-known/agent-card.json"
    ]
  ],
  "name": "Havanseon",
  "owner_address": "0xb497828d7bab84bbfbe0f147b3a57845d63e69d3",
  "raw": {
    "agent_id": "43960",
    "agent_uri": "https://centralcity.ai/a/f0z88W",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havanseon 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/f0z88W",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havanseon",
      "registrations": [
        {
          "agentId": 43960,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/bfd0708f-9a62-402e-9178-d3a0d4386112/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/f0z88W",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793580243,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T00:47:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havanseon 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/f0z88W"
}

What the leaf hashes

{"body":"8f2e706a127afb787cfb2c98078e6c14e529e6e65b4e4447ddb4074e77ca5f8c","id":2022125,"kind":"listing","method":"sync.erc8004/1","observed_us":1793580440969236,"prev":null,"subject":"erc8004:5042:43960","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. 0x922014e928cfa923f8ae2f99719b2807d3295db216512e75735457eff00d3d75
2. 0x7119cb267dc04b7f11e7f6ef9d803ee335e06f0eb2ac9ba690d21bd80f8706ff
3. 0x64587a37d40040537014178ae1ddfcbf27ec7f1627b730636aed8ce89e3e59cf
4. 0x6da2b9c9e5aaf08c978b133b0296f1c6535a956cad77ef8a7ab08e34fbf31d15
5. 0xe00c1850c160bca650f3d2b3a812c6a1d5edbfb3c395b1c4aa61e6e76dae9b5a
6. 0x75b64e41427fecc6e3d6d1ba613fe2d7a00867d94587ada32cbf2b1290035488
7. 0xb47921991bb06ec14c7d2e38a359d003560222ed7cec6372543b100263a618c8
8. 0xac501c5ae0640e216a8703fdf71113da57b5c7d8cb845660e9195363281cea69
9. 0x205b438be03e0cc6a19bcdfcf17825fe78adcab6f0bdf73a5386c431051b7627
10. 0x7840af42bd3d4ee4c322b2a126912f2129f6357fbe8b99bd2c95662ebced17df
11. 0xe58f4ad3bbf35f93bef880480cd21c5c1df0b7fad937563c21da1a8b6bc47cd4
12. 0x132b7eb9839b9a3992040318f9144c58f82ba495d3a19d95d05ee1b6917c441b
13. 0xa17f6a1bac5d26cc57d2e02b81d6f7d4d897fa15d99d32d506b3ff7cbcfd9c03
14. 0xece99d4dfafa93913edbe131eb22b3d7ab2648b58b5bd9dcd361be4f8953b107
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af