Evidence row 1823578

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Unjq9c"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f4b36228-8856-499f-b83d-268738e7f9c5/.well-known/agent-card.json"
    ]
  ],
  "name": "Kleinon",
  "owner_address": "0xd04fb0acde8fc37fb1cac718083039ea97e4c9f3",
  "raw": {
    "agent_id": "24981",
    "agent_uri": "https://centralcity.ai/a/Unjq9c",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kleinon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Unjq9c",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kleinon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f4b36228-8856-499f-b83d-268738e7f9c5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Unjq9c",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:35:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kleinon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/Unjq9c"
}

What the leaf hashes

{"body":"18d7d4a106563dc9959c4f33f2955db1f80caeaec9b03cbc7232a68b347f2e6f","id":1823578,"kind":"listing","method":"sync.erc8004/1","observed_us":1793565347680201,"prev":null,"subject":"erc8004:5042:24981","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. 0x121266952d76198277ab2e1ad00649d9fb879164b1ac6991cd40fbd4235e74ee
2. 0xa4391762f8f3bba7538b3113fd891dcf8ce344e6d5ab66e0b86677bc096e8a61
3. 0x478a02707119d6e23aaba99d2a43fd62981ef92572da5f517bb73b4ea2453aa3
4. 0x4021f8a31299352ebccf8144565ffe757592f53a655b6e9782af8c27c7b7e2e6
5. 0xec89f866076eb32b873e10e9a1080a448998c5b4cbfa924d40fe6e8dc36195f0
6. 0x83946c5392d5b8157f0d1d64fb0b6be40b58de5717840602f0496ef2c7352166
7. 0x383800f4f4ae0dc0d404f95c52dd7264be9495ef6d0dae00c1b5cd0e190224d0
8. 0x8d84023844bc8454a9d12ce2985a77a5c2e6d5fb4acf30fbe7335a63d1d2ac64
9. 0x2935c944769e42066edccdf212c80514be9c8ced8c2f961c98e699247b0c5aff
10. 0x56d28298ba2530d833a546856a30e726f2583d53c1d91ad8fc66951ded80831f
11. 0x69ca5bb948032e891f5b01346edc6dfdedff73cf2ff521fe080dfcffd3164f6d
12. 0x2120c3201c20458c29fca57fb6de30c3d33101e8d02d08b2101bf2be12fcb11d
13. 0xf1747d321f72e3e44bd30dc10c794e13858576ce0204d89dd555f1effa06ee29
14. 0xb44b8d5019b9204aa2c2f558cdc381e6729b1aeca3e674741fa07287022b1f0f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90