Evidence row 2107064

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/fhT6Ks"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5a6c7ae5-bd94-4b29-81fa-f3a6ff5d5e59/.well-known/agent-card.json"
    ]
  ],
  "name": "Hifis",
  "owner_address": "0x5b88b3a9f340d16efbd3de70299d66714c4227ea",
  "raw": {
    "agent_id": "83154",
    "agent_uri": "https://centralcity.ai/a/fhT6Ks",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hifis is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/fhT6Ks",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hifis",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5a6c7ae5-bd94-4b29-81fa-f3a6ff5d5e59/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/fhT6Ks",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T10:09:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hifis is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/fhT6Ks"
}

What the leaf hashes

{"body":"b0e8c184ada9d957eff97d3940584e4792baa29b62d80ea3107aec01bd03fd74","id":2107064,"kind":"listing","method":"sync.erc8004/1","observed_us":1793614162473654,"prev":null,"subject":"erc8004:5042:83154","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. 0x911641c4be7aef8beef42ae4ce8d7431933a2b74af4bc261aaeceb16adca4a8e
2. 0x9ccb0408ddcc4cc0f9f3aa085b89c58793e8164ba32527bf8fa1a200884164a0
3. 0xb9f698888da8aae827a6a4b90244adcad90881a4e35323933e3913cadf5c6028
4. 0x7f12189ccc1932e12481bb9ecbc213ab7b5b000400ed82569213ceb6a7fdd059
5. 0xaf573979c8e9f3a14a8cb99854c962384cbca9861cce2917973c3ba68493c668
6. 0x9c62cfd0ebb45083a55f5071cee405f8b43afbee709cbe4e36b405efc4bb2a9c
7. 0x7b4239098b55e2021e407ad754038ddafdef2ef64c186606a584c2eb5fa8dd68
8. 0xae81f44b4a9ff54d534065851cb32c595e7965eb4fcd1f27a4362370eccec55f
9. 0x87f38d7b94b682c3f7c7e8384fdb8b1876cff969c5372f86b0ffe19921f2bbd8
10. 0xfe508055af72ee3ed4dc72fa1ffdffb0b9ce047524293e74d6468cd876917ff3
11. 0x60907dd5dd397391b55397f372ca6b4fc83d8a482ecfaa244c928eec929dee1a
12. 0xd756a44b3038ff0c0524eec8e134fb5ffbe1464a42757b4f12e15355e5ab2c3f
13. 0x680e2eb544f0b0d7118b76ffef0a533f49c97860e3c70eaa1d07167760b4968c
14. 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
15. 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af