Evidence row 2727494

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ugmXkZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1fb96e54-edb5-4e6d-9af3-8c98dbd16a50/.well-known/agent-card.json"
    ]
  ],
  "name": "Grefus",
  "owner_address": "0x0d0900cfdcae0eb3eed5eb6290a7c1580a16c9e4",
  "raw": {
    "agent_id": "211262",
    "agent_uri": "https://centralcity.ai/a/ugmXkZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grefus 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/ugmXkZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grefus",
      "registrations": [
        {
          "agentId": 211262,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1fb96e54-edb5-4e6d-9af3-8c98dbd16a50/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ugmXkZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793748230,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:25:23Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grefus 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/ugmXkZ"
}

What the leaf hashes

{"body":"dd797bf51743b01522d71c269d12697f27a3d118b7c092beec116144267fbbc1","id":2727494,"kind":"listing","method":"sync.erc8004/1","observed_us":1793748323578294,"prev":2727251,"subject":"erc8004:5042:211262","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. 0x03331bd46d7a5ca87052944c09f4ac5a5bd4549b365fa7c9780a4c423794b592
2. 0x3db49cc0aa084ccfb5c966269d4b1d3854d185de355a7e82ce4b3274094f12af
3. 0xb273d7b1fda8b33253ad287e807831f9a04d1b845120685b9c76c0e3746e99f8
4. 0x667ec108eec1a18f9e9eb69a5a5bae52f5cbbc230afdf4f106a8dd7dd94f5231
5. 0xf4e2e643c62113ebf68bef045f2da0d4a14ab4d6fa62fdb7f99570f979443c05
6. 0xe5de24a691e1d6ecdb93cb156b10c2a39dd04b53502e992e19709867669653a5
7. 0xb4a3a5f07b6275759908a32b5f79474cf07fa59c5b6da49c50b8d6f723cbc563
8. 0xf2a4f828f4b6727ffcab220a23daf593b98bf723248ccaf7877147d8c4dc683c
9. 0xcabb232b55bd2f919dee49c15eb661e88a7bd611a451a46b5bb7dccaabf1470b
10. 0x09a550bc02824436c876321ff94da1aea375a7aa9539b4b857eaee4692436da1
11. 0x98c57156953ca2db7b65819c7494adcf73ca48156a6e66139bc9795ee9812551
12. 0xb614dc9e16c21dfd0d2ac9f897b39c519371756df4d7b8975c6ea7569f0d340f
13. 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7