Evidence row 2600436

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/d9jPP9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e34038e7-4c6a-41e7-933d-17637431cd9d/.well-known/agent-card.json"
    ]
  ],
  "name": "Harkano",
  "owner_address": "0x174ad4fe34af38c0bf3bc2fd33c256d615cbc039",
  "raw": {
    "agent_id": "189614",
    "agent_uri": "https://centralcity.ai/a/d9jPP9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Harkano 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/d9jPP9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Harkano",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e34038e7-4c6a-41e7-933d-17637431cd9d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/d9jPP9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T14:58:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Harkano 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/d9jPP9"
}

What the leaf hashes

{"body":"b176149a3480144dd2a0e093108dcaa18bfac9d79c1c8098486727abdda59b97","id":2600436,"kind":"listing","method":"sync.erc8004/1","observed_us":1793717894510462,"prev":null,"subject":"erc8004:5042:189614","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. 0x225861b9ffbd9a6143d3c79da9ab474afb3c8b5cc15741428386066b584e58a4
2. 0xaf84f0bfa7c59bcb476a06ab1a4cfcffc5fba77ff0b80ec3820ba307c46d8457
3. 0x77ba9bd26c2124fa157fa680a9b652a4ca74d331332001312a00dbca3a821a6f
4. 0xd58a6f908bc4eaf99b22b7aac2427eca9b6e98e602eccd553b5216751667cbd5
5. 0x05ccb82d1265126a9229bb3f3b8938b34a69a8bd2b03242bc9e47ce554b94feb
6. 0x7c5910948a945f1da6db43b24ec8e9f73fe5e7b8b3fbd25c5314b5719db912ba
7. 0xa9e9351b253f00b7a2c80397656900c9d550393eb4639c198d1942e09fd3a3b8
8. 0x4af60220063a93d8f065ad69b8a479c407eec769c30734f9afc3d4ce5f77ec19
9. 0xfc6838a44d48ed2e317888bb9364f5238632fd140e0825113b96184cbd557083
10. 0x9a8d9c3864c01f19a246228d1121093308ea6c55a5bef177e9bc7a2ed838766a
11. 0xd6e52f88d113c9f5874d568d2bacab5e9646fdfad08373e39e7b1dff385ca671
12. 0xf3868fb2605c72c4bb9ede57d50d97fdbfc1e5ba7eba5de96f1352e52739f1fd
13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7