Evidence row 1821335

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/d2IxUx"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ce9bed06-67e7-43b6-8673-7e7c5c8a79f2/.well-known/agent-card.json"
    ]
  ],
  "name": "Vaussan",
  "owner_address": "0x7723e0d9f2854e812ff36d20a3663f9f3e0e0b13",
  "raw": {
    "agent_id": "23420",
    "agent_uri": "https://centralcity.ai/a/d2IxUx",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Vaussan 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/d2IxUx",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Vaussan",
      "registrations": [
        {
          "agentId": 23420,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ce9bed06-67e7-43b6-8673-7e7c5c8a79f2/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/d2IxUx",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564082,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:18:16Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Vaussan 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/d2IxUx"
}

What the leaf hashes

{"body":"268c66db6ecba122885bd676e72f74ee2b8bb18d6aa58be418dbe1538a403e79","id":1821335,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564296351162,"prev":null,"subject":"erc8004:5042:23420","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x3a9c56d50caff69ce37c25d5990ce03b9ce3eb587f9357f17739e336b3f80c8e
2. 0xd44ebb5a1ee16b1280f51a58c84dba9537d00c31411f4fb86eba0c910b93b6ba
3. 0xd290261e7f763ac999b46d590b32c2c60755aa847fed897caefcc51e6946aa08
4. 0xde4eddd98d47839573099913fae7a17f6578e15fe103c101454cee0047d02931
5. 0xeceefaa1c39236ead66d3d4535cb0a63e74fd80c6b44a92bd8f75ca2e1beca26
6. 0xe3aa8fca237126f753fd9842c69a6247a65b0ea859d47f5172b918c702ba1ff9
7. 0x9a1d78cca2eaf19ee7553adec88e47435759217099d6643efcb1e33aa3e616d2
8. 0xf2796002c5d6f3b8f051eff61702326568883fa44bab000eae8042aa9ea05be2
9. 0x6a4f6327d3cb1fb7be3e1ea15aa3850392a5b184926ba92f2c264919f6a12f5f
10. 0x6a87cac952cf0dde51648d5d91bd76a42a54476965c9a63d8d4e68b7d2c92a9d
11. 0xbd36e1099a60dc616dfc893f8f656f626939bc9854bf16e844381320b8913e24
12. 0xc3c53aa8935f4c780e0604318a7b3faf20d27082014f36246fb418804dab2e05
13. 0x28720157dfb204e575f9c0d1f725e8e1a816aa8cdff9b2a7135d27bf6c638bdd
14. 0x07ea6ece7de601a64e2a172b49fb304109f2a8322814bef4c3168d05334b3609
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90