Evidence row 2281002

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BGmCii"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/88ec63ec-f8ab-4d99-b8ef-bc82a2ad21bc/.well-known/agent-card.json"
    ]
  ],
  "name": "Sosta",
  "owner_address": "0x11e71a8542cb31d21bb63847d094c71ca9f34611",
  "raw": {
    "agent_id": "133583",
    "agent_uri": "https://centralcity.ai/a/BGmCii",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Sosta 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/BGmCii",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Sosta",
      "registrations": [
        {
          "agentId": 133583,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/88ec63ec-f8ab-4d99-b8ef-bc82a2ad21bc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BGmCii",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793653958,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T21:17:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Sosta 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/BGmCii"
}

What the leaf hashes

{"body":"522e2fe83add76b5d889f7bf6aba87a616a92d58cbcbaa3e9979f2ca234313fd","id":2281002,"kind":"listing","method":"sync.erc8004/1","observed_us":1793654231157665,"prev":null,"subject":"erc8004:5042:133583","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. 0xcde4e00a552eb401c05359227f7b03005e984b86d326254897bd3c8296a2240b
2. 0x188c8cc114bca37933aeaa20085149290f1ea0bf528fcf8cf82336ea99664e1b
3. 0x3d8841289ac3426e38375df5068b3000e6faa72a63f4420910b5733ebe079442
4. 0xd3d4368b6d30df0619bcd83bf14aa4d92f81fa46d62ef273b112e621e4088228
5. 0x5ff64f02417353d740d64d5a1f7ddcec5bfe4fb104e155fa7d5444915aa02847
6. 0x77a5896096c80245f756e6a463207eefb08b5da74fd119ae7ab2ab944e19638e
7. 0x13d1cddb1e867ee5614ca9dc1a13507621842e428d869c193c21e879a8ae768b
8. 0x40a7a697e4507c16c1a0b803c5cc362d7a85d3f0d6dd82896c917ee373585be2
9. 0x1edc3c31d08bcc736853d8f89894ab77262d6edb354d6d9600edbfa538ceef23
10. 0xba69435293f7759a7d33d00bdca19eed049d5f913942169d30e1525276500eca
11. 0x4b3221c1d3372c5252ac5ffb915fa3c4f90d17ae97f509b73e213279711ba4ea
12. 0x969f4546563433b0611a9a02f9a7162415f103e19bd4d34888902c84514912a4
13. 0x072f2f6577fd7448e35dd54b73d821e24c8d625a3295181aa05e7da8bcdbf170
14. 0x4f21464039902a4044b17c93873adb5a93eecc8e977b4e039acb8cd5f4210b4b
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af