Evidence row 2961002

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/OcKsAt"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c42e90ee-18f5-43c7-bba2-c6aecb9d2f86/.well-known/agent-card.json"
    ]
  ],
  "name": "Landa",
  "owner_address": "0x960f34765cb827e4c91f9a6d64687d74c70a22eb",
  "raw": {
    "agent_id": "229899",
    "agent_uri": "https://centralcity.ai/a/OcKsAt",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Landa 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/OcKsAt",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Landa",
      "registrations": [
        {
          "agentId": 229899,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c42e90ee-18f5-43c7-bba2-c6aecb9d2f86/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/OcKsAt",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793772572,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T06:13:20Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Landa 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/OcKsAt"
}

What the leaf hashes

{"body":"ec8260758983df75d9e04359b07fe833bff881d32315d4876c8ca926052b40bf","id":2961002,"kind":"listing","method":"sync.erc8004/1","observed_us":1793772800174383,"prev":2960560,"subject":"erc8004:5042:229899","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. 0x9b17a36aa7028c30d51d899214fd550410a6de310f9a987eaa5a79fef6b49051
2. 0xd63eedc8b76296a480fa2d8b63de1226a0ee8fb9f8fbeaedd23750f0a2c39979
3. 0x585306e6919755f5ee9b74e24e7acf8c352b1e8a9e652c24b98adff301970081
4. 0x7dd9e2ba3c3efce8ba784624b2d4940e97fcc656415bb2f8aa965dc4bebc6976
5. 0xdbb8658a1960b0e25ae704df3911059d4f5eba1932ed046ee7f68e755931ff14
6. 0xc597176e4bb681459dc7d65bf6c4654a0169e4f0d8b962bf160759705d438e18
7. 0x5785689dab1cfced75e7eeb5a69918cf1a6b4bc79506732befb2387fb4b46914
8. 0xca2388e408e3401170d8c58faf8f065717c96c3e528f9f8443e5b4e63bd4dc18
9. 0xc9ec81c1680b9fe635dd3791a368861daddf9a39c207139112937a4a877976ae
10. 0x4dcac3b93cd9af13b6e3674775ae35fbe1cd7237c53300167e4d187643d8749f
11. 0xa04a1f9f6dd0d9513139e6593c874493ab74561f92d69b24b37206d067574633
12. 0x0659f7cbd6ca83c0c846f2c84b0a8beab8b85dfd3b16852be92ca38a93f4be57
13. 0xcd20ee70d1b8a44ac9f5d5208bee6f35b7847f1d0908e160fcd5305c4e99a7a3
14. 0x989f4c924746011551de474bbf1291972687ddbb952d10e6d81e820171bba424
15. 0xcce6f2f7e4f40c7f768552ae3da9c9aed1be84ca300fbff8a25083a9399680f9
16. 0xcbeab7cdfbe295c259acb96245f397030a1d41f25243d4de19e7709db50be49e
17. 0x7f4f557ace8b62cd85774371e24477cdc34df4d2aa68c04511d8678e3978a343
18. 0xc3c363818e1d5142c4629be55f1c9e168a7466e628cfd2a858fe171aff1e91ca
19. 0x10067354f57fa0cd86b7423e67cc1c7d107d7c9c6823df5246c4fb63b60575e5

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345