Evidence row 2025704

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0mPy9h"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/8c7ed85b-d913-47fd-bfb9-be918698221e/.well-known/agent-card.json"
    ]
  ],
  "name": "Tantet",
  "owner_address": "0x57aed0b5f3c9150e55d34126bac15fad3eb1aa38",
  "raw": {
    "agent_id": "45960",
    "agent_uri": "https://centralcity.ai/a/0mPy9h",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Tantet 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/0mPy9h",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Tantet",
      "registrations": [
        {
          "agentId": 45960,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/8c7ed85b-d913-47fd-bfb9-be918698221e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0mPy9h",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793582025,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:16:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Tantet 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/0mPy9h"
}

What the leaf hashes

{"body":"1d968b4d36d3187007dee6a348b4b425175a342502aa1cb1d59e789287497eba","id":2025704,"kind":"listing","method":"sync.erc8004/1","observed_us":1793582172777336,"prev":null,"subject":"erc8004:5042:45960","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. 0xff18ff4712e1caebc890d3113539697ba09cbf62b0d1f4c0daae1c4e5052ae5e
2. 0x86c592bb360544163f0b036916b30ff5b6183068e67261b78d90f778e21d2f88
3. 0xd8d43d84f6eec553f414f01d346dae7acbfe4d75d03017c6944205befa25e2db
4. 0x78d97711726aab434bf893e67df769047838374fdb9603a9773fd6bcfcb40f90
5. 0xbba987aa29c62f834da08c4c620e80003a850c5696d34e9fc427f41a8ace4e01
6. 0x8a597f6a9ba5ac2b4629f1fd7786c10218709c474c03bc81d7a8bf28477816cc
7. 0x1d4aa3f36c337a7acb81f98b98d60c74429af9f5f3e85f58299d7d0c8bd027b8
8. 0x5b4ffa1f884a0a95e73932a2f87e5ebf86c7646388187cf8363bf4a85258b0a0
9. 0xc08f1e12261ba30896bcf0bde82829a5a0a6158c49f76104e5e1fcf492b092d1
10. 0x6d743535d2e8afb83e38c6f6b208fdf7744868cc9765d16c0d27963522ceb805
11. 0x9688b76af0c9bb74be0f03c4bfb74ceb45b869b97c383be6fcd136445cd9055d
12. 0x45415c76d2ab204a9729a2a944991420a243f07964146403ea6d43181ac1ca44
13. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
14. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
15. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af