Evidence row 2186229

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/9NwtW7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/417c377b-3962-4ffc-95c3-8a2982da53a7/.well-known/agent-card.json"
    ]
  ],
  "name": "Biarkan",
  "owner_address": "0x90843339d1924682feeea5a72bcd0d0d28732562",
  "raw": {
    "agent_id": "119469",
    "agent_uri": "https://centralcity.ai/a/9NwtW7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biarkan 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/9NwtW7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biarkan",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/417c377b-3962-4ffc-95c3-8a2982da53a7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/9NwtW7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:00:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biarkan 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/9NwtW7"
}

What the leaf hashes

{"body":"ae7c6d0e112a4470f32ae6b81d4c9504a7d6162a55306cade86c0583983f54d5","id":2186229,"kind":"listing","method":"sync.erc8004/1","observed_us":1793642436546500,"prev":null,"subject":"erc8004:5042:119469","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x988de06195e139074757741978faa48402cbda73609d9d2f97d7ae1e0825bd3f
2. 0x9cc5df2a18dfd51181950502b81c02f8c489701aa807f79cbf2ce996c1200f05
3. 0x608f5821fc7e25ca9f9d33b9f4d2e40b901a5c69552dc319f0ad1a27e58ed66b
4. 0x4ff553eaf14e2041e0acfddf3009694265c0a24100288f6cd15122f4326b4dba
5. 0xd3aa5dd2ecd937328ef40e4f777dfa0e73f150192b3117608da76c704f223c2f
6. 0x5814a0a230faee1ca83f318a70b1716131c35ee3ee74e4a7b570e66f6fb5642d
7. 0x1385eea1d595ddf9195cef763dde7956c1f0d06354e0518b821bbc5917c8ad8c
8. 0xea65c525612c1f18877e0f52f0c06f36d653c775edeb4ed4af0322001e514aa8
9. 0x009db30383ec838f22e1602e6e6e8eb4ccb79bdca98cf10d0f691ef89c4132a0
10. 0xd96e44538a2f0b2dcd93f0dc3a099810d57494ed7477bde82dbf83bca1ba7f37
11. 0x6bdcedf7e191b45d839351a79a5e3976958c98fc5c7730497943a945da813667
12. 0xd4030d277689929823c2ca835f5a68477c633a7ba2ef9073c95bd96efab62dca
13. 0x161ab8dfe29d5443837514b3760b34879b8201d43912571c314e4142639b07a3
14. 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af