Evidence row 2571428

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/nFxuZU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6b8369bc-eed4-4fdd-8af0-82085222d966/.well-known/agent-card.json"
    ]
  ],
  "name": "Friko",
  "owner_address": "0xc973d4e55a15ccc0f9148c450bd1cd4028ff8468",
  "raw": {
    "agent_id": "178902",
    "agent_uri": "https://centralcity.ai/a/nFxuZU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Friko 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/nFxuZU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Friko",
      "registrations": [
        {
          "agentId": 178902,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6b8369bc-eed4-4fdd-8af0-82085222d966/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/nFxuZU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793705089,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T11:28:59Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Friko 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/nFxuZU"
}

What the leaf hashes

{"body":"68cb627a2f554202230ecfa1fbc1e57a2bac580e1600ddf8f07824ea690aa290","id":2571428,"kind":"listing","method":"sync.erc8004/1","observed_us":1793705339249544,"prev":2570723,"subject":"erc8004:5042:178902","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. 0x0c93015b7c503681dd366a7151017b3b6f3c96726a5f5ffa01154d118fe87ab2
2. 0x75074804042c7c39a9c74056bc7c8f2ecbc74e028847fadd276b3a8db342f878
3. 0x295528e87ecd6036cc6754657107f2340cc52a21d35791371a45ff2f14bb65ab
4. 0xd5eeb28d6d7332d48827b2643fb8697571741f6766eb948dcf7346f401400886
5. 0xcb11c9bdf49fb0a09008e529feb4732a130ace722d6e104e7f5adff658fb9634
6. 0xbffb4cb6f8514bd6c2d6ddd599f909aea93efbee62f67482d013b0ce16df60ee
7. 0xcf28cb6d0a0b7d0a67521dd162321e7ef5c162742f4a2211d1cd5e35cdfe708b
8. 0xf4a3621cb51230a5f9701222af427759b8198ff0da81f71e6fde370e4d83a44b
9. 0x20b94e6842781fe0c1f9d8c33952306b9b567e86ddd3c53f23430f8e8066559b
10. 0xb46cd960072dc7fcc7fdf797a16f0df6c983070222590bc8636d676184121dc0
11. 0xf3c9988d969ecc9229494baff1ce3da93839219367ae4db8bf209f9a27cc768e
12. 0xce4b1301717b8a45823ec74e314583044be6652242f9879d657c440f96352504
13. 0x593c60077eaf63cd302a3d033a280b28ac4c98d73bae86915b770c7e408ad8db
14. 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7