Evidence row 3423305

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MPdbPq"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/826aee65-9307-44da-b868-2234b5809049/.well-known/agent-card.json"
    ]
  ],
  "name": "Breiko",
  "owner_address": "0x338ff5a7fe88ee7e63ad34efb3eca9330dbcaa06",
  "raw": {
    "agent_id": "342750",
    "agent_uri": "https://centralcity.ai/a/MPdbPq",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Breiko 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/MPdbPq",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Breiko",
      "registrations": [
        {
          "agentId": 342750,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/826aee65-9307-44da-b868-2234b5809049/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MPdbPq",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793893464,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:47:39Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Breiko 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/MPdbPq"
}

What the leaf hashes

{"body":"667bc81e7136feb272a40092f41c62d95e1e2018eba8bf492b55316ad31454f8","id":3423305,"kind":"listing","method":"sync.erc8004/1","observed_us":1793893659314483,"prev":3423029,"subject":"erc8004:5042:342750","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xf1a5da59f83e5c0bb32655da083782dc199d68d089f6730b396130d15bf1bcfb
2. 0xe61a9d40c200d602bd90e3373d69ab48509c959c544b1c3527a2cbde4d7abcf9
3. 0x590ff2d3223d0deec60402ee15f783f5b5ab42e131fa98f27628fddf015105df
4. 0xaabdc904fa3382534835038a9835adc8e067f3e3442cdcc8facd528ba3f4ee69
5. 0x3ba868b8b6cf817abca129e51494c0ad7c950ee9dbb791055e8abf32ea5a4236
6. 0x4ac3137232afc89f2bfaafcd738a949a38f5a3b04a544814f5a9320155d075dc
7. 0x57f7c472a3694c77a6cffb2ac07786b2904499dff1c162f62a0baf917965d3e3
8. 0x567f6a1e73859a4f0aee4d1000f44f52cc49275dffaa8ab0c5291e819b8f2ac0
9. 0x7b6f1d848722efa14ea7a86abafffea5f8da2ac598e9a9c8fa2902cd73ee11b8
10. 0x04ffc1f377108b7b08296d7d81448ca90fdf9e674c6f5ff40cdf4837982667ff
11. 0xafb553b2b2bc44dda07d2f0ca0091eab0d2cc4fbef5ebda76596bd409b505dcf
12. 0x326df0f87d0e2a51c55a0a280974078759517090237631d95b21a1a9d2c02d9d
13. 0x4713b10a0590acf2c2bc01df682f7e1cc4a36ca3862adf6e57ca3459d4320809
14. 0x1639b247a5d5a7c1c147128de55c8214f740b3c69e239097a9214d771bef36fa
15. 0x0f89b13f204fe566641bee24955c02233efcbd2fce2017340ed06cf3c4c4503b
16. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94