Evidence row 2722088

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/yGbErM"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/9ca7c986-fc73-42f5-bf9f-026e06cda530/.well-known/agent-card.json"
    ]
  ],
  "name": "Hozon",
  "owner_address": "0x5258d285b19fdd0062f885726d538ed066d4e2c2",
  "raw": {
    "agent_id": "208858",
    "agent_uri": "https://centralcity.ai/a/yGbErM",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hozon 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/yGbErM",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hozon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/9ca7c986-fc73-42f5-bf9f-026e06cda530/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/yGbErM",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:34:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hozon 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/yGbErM"
}

What the leaf hashes

{"body":"86856e06983e5701eac911f49a8d4cc362900275cf8dc33d9ce598add32a506e","id":2722088,"kind":"listing","method":"sync.erc8004/1","observed_us":1793745274118969,"prev":null,"subject":"erc8004:5042:208858","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x0072c03fa02dedd467da1dbb1cd5ad71c9fb05497a7a131cba2f5f7c0d4c8679
2. 0x41af848c20fae63566e8dc590f83039655eb4ac5413b6a088619952ec392329e
3. 0xebce70eb5284cda944ff9c859a3373afcac748a5e17d9c40abd2bb515ce0bed5
4. 0xc947f9f1135ffff07b5880ff4f0e4115901665e92914ed7ec6cfd66e61a53fe6
5. 0xfff8af5e47872aec7bbd9e5d5f4037c80f33eb56335db0efaadad37fa3a91583
6. 0x55853e3dd1ad311b1dec4feb44ae21a112226c0b330782f4dcd387744b22202f
7. 0x8303209d02406a6e95eafca2e66f242377dcd02d6a0841832049ced1c766b7af
8. 0xa5f708688b5c3e1edafb5c7d060cc0d039cf07fc2215d8e3268f39cf72b4d39c
9. 0x61a8933135995b128878fd7e228e31f74ab7311a8163ab20d8037699f66701e3
10. 0x985782fb0985e4fa7eeb3078a38796f4ee5119909385cce6fdad05f6f0c17adb
11. 0x7b826e5a9191a620ac236d5251997075df91bd5787510f83e79f7cc90d5f7cb2
12. 0x13e74bdf3b049091063dab59276305254368509776f52845ef5ecb1488d1b4c0
13. 0x50c3ccb9a988bdd7634544be1fbdd1b3bb920b22bba931f12522f80ed5cb4784
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7