Evidence row 1831958

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zZzPSz"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/249d27e3-43dc-481d-8854-e0b2e8d3357e/.well-known/agent-card.json"
    ]
  ],
  "name": "Basel",
  "owner_address": "0xdb1cd4ce0c72ccce3ca984d731298d09d7eb0e8c",
  "raw": {
    "agent_id": "29853",
    "agent_uri": "https://centralcity.ai/a/zZzPSz",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Basel 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/zZzPSz",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Basel",
      "registrations": [
        {
          "agentId": 29853,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/249d27e3-43dc-481d-8854-e0b2e8d3357e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zZzPSz",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793569261,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:43:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Basel 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/zZzPSz"
}

What the leaf hashes

{"body":"03ad26e0de5d55a49962cbea84dc7b6c7240d6a69a065632c1d6afbf0bfd2d33","id":1831958,"kind":"listing","method":"sync.erc8004/1","observed_us":1793569431339148,"prev":null,"subject":"erc8004:5042:29853","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. 0x46bbffd4ab7c3ff9dd53cdfc60807607268f38dff05fac2e21eb9be4e1766d5a
2. 0x78a333534a466743ae1c2d66d6f47888d4b5db988b310bf733ec56416f90698f
3. 0x37723f27e81be27d3e94b414de54e2b588b47428cb4691c641640a2fa2a0046a
4. 0x1864bc0110c7683b0cb13a1ae570bce1e21fd064a5793ced5f4cd442e81f1362
5. 0x67e388d139965758c819dbebdb489da0b0880df3e8cb8d9106a2370217244e45
6. 0xc7f4b07176b1f550b48fbcc15a98bbd44fe189d3b1583f05ffc9818507aebbeb
7. 0x0c22d2fd1496d6aeacc017e3d64cb47d0050a41900f32319fb3f62fbb6dec276
8. 0x768a4f0039cf966a918fdc5e357f71b172fbad957af8d30e4dbd8471865d0918
9. 0x22ed3398c8d9308e0f1d512c4c9ab7ce720972c02a815b1fdf9ac1dde7a1bcd9
10. 0xe68aab358dbe0d91ab251444cbd061c7578b2bb62363d38861b27d9ada3e4de7
11. 0xb897c6bd1951c9789887109beda69570d08ddef8e7ba9d8afd9006cc27e9c994
12. 0x0a872ad8d43d2248d10fbf2ab67502ff4e7270644ad7fd6db14b54bd26e5cb7a
13. 0x2fb27956c8711909c4c9d566a96f97834f5a24bc0c69233e771cde297811d69a
14. 0x6c979ceed347ae2f49a398afce74e46416fbc8bf2d649ac7be77ccbc81b2ba03
15. 0x0e3f78943343406ddd3828dd4ca4b5a188e80ffe3ac87d64d979448ee11c1cc5
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90