Evidence row 2039333

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/bFi9Hl"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/59650050-c782-4adb-9ff3-37ffdfbe6c37/.well-known/agent-card.json"
    ]
  ],
  "name": "Grabert",
  "owner_address": "0xb14b0da4e220bbb5e458f19a83c2e2896bd85550",
  "raw": {
    "agent_id": "52406",
    "agent_uri": "https://centralcity.ai/a/bFi9Hl",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grabert 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/bFi9Hl",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grabert",
      "registrations": [
        {
          "agentId": 52406,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/59650050-c782-4adb-9ff3-37ffdfbe6c37/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/bFi9Hl",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793587244,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:43:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grabert 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/bFi9Hl"
}

What the leaf hashes

{"body":"409cf9fda55fb8a93e7b4e17ece3765b48e37d5bce2744c6cd0657aabc392781","id":2039333,"kind":"listing","method":"sync.erc8004/1","observed_us":1793587390270822,"prev":null,"subject":"erc8004:5042:52406","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. 0xf290d700df431a0908fa55617fa5031e59e00731efdd8b716567b07e488c7807
2. 0x94505c17a965d66300e2913f0d5c4ea97548b8d0d0b5520b52efd91f2edc736e
3. 0x458db5524025bbcbd2335967029d180b8c29d38a0b1f3618b69c71236cc6ccdb
4. 0xaeff7c49ae6d6028148c33079f8aad75aa1cf8ea429b867cb0bc062fab49746b
5. 0x93e7fd644937208162e7473e731d45d36d11682c36fa6da1a2d2a55ddd03e1bd
6. 0x926aec80edad51119fc334a74a53ff17269bf489c3d4de153790eac890e673c7
7. 0x6371d526f3dc24cc8aac609f40eff70f041366f653e7d84334b070497d8e8ad5
8. 0x1843aa96b48a4a4947b639671b4571628d995b62b72921cb2be12e08e75a2a19
9. 0xe0d28d1603ed9f96cbb1d1a42866046d48827973b816f7b2d4d3079cac2d6ac6
10. 0xb7864464cdbd8c4c814c5ac407768a3812dc369816cec2ee8e5ba5340f0c8e8f
11. 0xb71e3e9a67a0c294372a88b48b87101df36acc8365e885c412b58f1e014478fc
12. 0x584982b94b1f05a18922bba3f8ab6e95e0114fb1590617618d3c011faac442f3
13. 0x50f257017d1a47b165e9de41b6c7be745b632a9ae0d6de998c4ca2182e3793b3
14. 0xfa8b123f46e2c0606637c2fc0bef7815e7e004938cca6b86fafd908901f0b35f
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af