Evidence row 2722074

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YKDt7i"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4d02ce4f-7aba-4255-acce-467f2b795932/.well-known/agent-card.json"
    ]
  ],
  "name": "Ferkert",
  "owner_address": "0xa9a5946874c51b8140c6b5804f1d09fa8488acb4",
  "raw": {
    "agent_id": "208838",
    "agent_uri": "https://centralcity.ai/a/YKDt7i",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Ferkert 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/YKDt7i",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Ferkert",
      "registrations": [
        {
          "agentId": 208838,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4d02ce4f-7aba-4255-acce-467f2b795932/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YKDt7i",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793744931,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:34:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Ferkert 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/YKDt7i"
}

What the leaf hashes

{"body":"2e9b00e0dd063281b083f4e2283d9891b419350487458c0210a6ae9ba9b0d1c0","id":2722074,"kind":"listing","method":"sync.erc8004/1","observed_us":1793745274075463,"prev":2721864,"subject":"erc8004:5042:208838","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. 0xb9986278fea608d3899ab26a0697317f7b3568e43473ecbbab46a3e734679f3c
2. 0x804d87db6687a91fcb4d5d4c6b97f97ae3ad5ac89ad6736a0b2c5f899071fe47
3. 0x52c40903258ba364e447018970043f0c3c8322f55a215b48e2de4ceb18e1f6c8
4. 0x6aacdcab4931d7ec73bebac2ca8b40f0c22c16aa90f8557353d72a59ce88e0c3
5. 0xfb3fd3883fe1025774407f703eed7c7f3bf8475203365380278bbefc96870171
6. 0x737e4e3bf53e0802e4369c15a97b318931b4be76822c9ece98fa81eb42885850
7. 0x0305312c364784d3d9e96e7ce1f663165e414906cf7b1d9255db31d5092f49c4
8. 0xee44627e711315d49e0e116d019ec85dbeb21c57566cbb9ca6d0ae9e3a98af94
9. 0x2457c2e7dc9573028ee30f9b4f05233b413a283fc1b0b1e93d78082b046ccff9
10. 0x81482972a301f64e08d692364c9b7aebfc1f4f97599c1c5071cbba9bc2e79d74
11. 0x801ba503664d5cd396d03d50e73da8c24a973d9ae1d24a985885a5074351dfe3
12. 0x9ae9e5166f17dd74ac3cd9a42541c0f4e4f7223f8920d3f368c912d200baa304
13. 0xb62606c5a338a430cdb6c22a12b2a8d463bbaedc36ce1f677fb239ca0fbdf371
14. 0x28eca58d5790c044814655f49977e8cb478606900cf691de68ba9ce360992057
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7