Evidence row 2197480

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/XIZKy0"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/57984e9b-e9f9-4ad4-a0dd-77fcbd91fd0b/.well-known/agent-card.json"
    ]
  ],
  "name": "Sumer",
  "owner_address": "0xbe9c492b2795cc73569d17ba4e90427a7322cef8",
  "raw": {
    "agent_id": "124690",
    "agent_uri": "https://centralcity.ai/a/XIZKy0",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sumer 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/XIZKy0",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sumer",
      "registrations": [
        {
          "agentId": 124690,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/57984e9b-e9f9-4ad4-a0dd-77fcbd91fd0b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/XIZKy0",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793646261,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T19:07:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sumer 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/XIZKy0"
}

What the leaf hashes

{"body":"c3c1c2f0ee0e8a497033d4893d6a92f650ddcda43dbca1f1cd9bdeeb2a099054","id":2197480,"kind":"listing","method":"sync.erc8004/1","observed_us":1793646441980975,"prev":null,"subject":"erc8004:5042:124690","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. 0xf28739f539f781335dcba21b6f6ab66b2d0834a45506ec09ffb9b779b2b08ec2
2. 0x5d23e13a4b0852bf9a286b10a16746f51111ed19321345a018dfbd39da0baa8a
3. 0xccdd7ac0d2cdfdf8de5e01d1f94cedee218fe642a59aab49c281b48acc5abe54
4. 0x4b34baa3b89cd83737728b0ed3905efdff4f5df2145abb5aa276ef5f14618646
5. 0xa6445a1e7a178f7a7416a056decd0bbf3bdfc876ea1243977d55153246e2d937
6. 0x7c6ce4569f170514abbc8c0861d2f7187f459269a5dc146656ec52725f7ba77e
7. 0x5a8c986d508690ce0cdf0accca14525fc67d6a6e42e653790945e7f39b1466e5
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