Evidence row 2993920

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/NXX0DW"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/09f0b3a5-bcdd-46f2-a430-dfbcdb242fbf/.well-known/agent-card.json"
    ]
  ],
  "name": "Kausler",
  "owner_address": "0x01707c458224421d3f7ca268cdd5c8a80f452052",
  "raw": {
    "agent_id": "243233",
    "agent_uri": "https://centralcity.ai/a/NXX0DW",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kausler 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/NXX0DW",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kausler",
      "registrations": [
        {
          "agentId": 243233,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/09f0b3a5-bcdd-46f2-a430-dfbcdb242fbf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/NXX0DW",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793789695,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T10:59:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kausler 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/NXX0DW"
}

What the leaf hashes

{"body":"977827517ddbf9f93cf9f3e64286d8b1058006e82d48ef47601af4572e24ae07","id":2993920,"kind":"listing","method":"sync.erc8004/1","observed_us":1793789975405425,"prev":2993403,"subject":"erc8004:5042:243233","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xfcdfe4488fcd9ded5f891e1c4e1d5cc65c2a2b1acbb5c0b906c049827e06c8f4
2. 0x02c11db6c3da524ff0bf7365125b5042875eeaff553165557ca3e715e77e407c
3. 0x30a2ca7e7cb475bc29381c1fdafb700ee8f665478933103b50a2b63ff7fa570c
4. 0xb5f7bb8d8f316de6c5affe0cbc18410632eaee3d75a44ed78d84da35b9e2e405
5. 0x0fca20a37657e57201667940fb1008e33addd917720c0aa9a6ff808b5feab05d
6. 0x0cc03705baa43f321e93857c6419984781d9b58b5367c24b0e6cad85f961e796
7. 0x3200ba2643fbe04d5f429ee20542f5839e96e793faf3e3811459a9c0f8a4c7c5
8. 0x1711d915dfd8b1f9959b7ae0348cecb586f5ab891bb0302cf5d50e5a3f063eeb
9. 0xd84fc0852fee97953a95e274d40b4514003797db02ce52d241d6320a3b37fe08
10. 0xff9a8e81cd41d4ac49034cd9d7ca4628864b8208c3e96759baff65a3aadb043a
11. 0x64e0ca7d3173f74f02b3dfd173c867d4a46a396c000126e293e9aca73057e291
12. 0xb121bc1b49da9a29b5803bc152443979d440c933cbf6e1398b9c040b87301998
13. 0xa4c6837c08296bf74558830f9995bd020c066ef20a961b83854210b3ececf637
14. 0x22136ce0d951d9ba0a7af26db46b296e61b6d99bdcaac718cb7ad94fad708bef
15. 0xf3c6700d5df4bc68d1e98c623150c4852d8000cd123b59c743588bef452bdd01
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345