Evidence row 1768799

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/jFYiMZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d533bc94-1d3a-42ce-a003-f0c2c3cf0e90/.well-known/agent-card.json"
    ]
  ],
  "name": "Grassan",
  "owner_address": "0xf78af251b51d180bb51ab4ca98186b01ef658ada",
  "raw": {
    "agent_id": "5746",
    "agent_uri": "https://centralcity.ai/a/jFYiMZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grassan 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/jFYiMZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grassan",
      "registrations": [
        {
          "agentId": 5746,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d533bc94-1d3a-42ce-a003-f0c2c3cf0e90/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/jFYiMZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793544020,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T14:40:45Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grassan 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/jFYiMZ"
}

What the leaf hashes

{"body":"f5aa17b8f2254cdd01ac63344caa1bc10bebba07b49ef5eae82a7ccbffc32dd7","id":1768799,"kind":"listing","method":"sync.erc8004/1","observed_us":1793544045258793,"prev":null,"subject":"erc8004:5042:5746","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x073578c2784ac3220b4ea65222542db3fb3dfa7a88d7e5c806239b6844564b7f
2. 0xd5e408285ff5bbfa206ffca31cd60849e1e1e973e6aafcffacb0cd02fc78a88f
3. 0x74c3758df28848e2f9260e567b16fd578d90a343e244ec4e61b44afb32875dd2
4. 0x8a8ee7ba78a73eceaba628eb657b210f07e1b14033b673979413dc80995f6d6d
5. 0x7ef8b7cf4b3bb706a3e21eb7e4bd296d1376577839099509dc21c0c72884283b
6. 0xa34269f13497e091bbcbd553431c75c7055c878142dac599b0870a474f01c757
7. 0xc6055299911b2339c6a07477f58e72629c9e0a5c877dc559509abc71352dc449
8. 0x1f01ef8ce9f60610c6999403f37f67392c3339e32ebc2e5ba84457980dbc3c01
9. 0x8d6cd8714f290667b302807f6720caab846673a83bc8f7d310c6d2fc3f883a7a
10. 0x0cd2b49c384b6a6014349c6844f0fedc6bf5338449f614404a45c2543d7db9fe
11. 0x327bc906fde3412a6e6c6aa3349b15ae5a22c47fb803a6fef13aaba19a4c4df4
12. 0xc531c04bf0cf3c2a9e62fe179515cf2365b4c0bf229b81ae67d53e02e04711f4
13. 0x004697fbbf039766877ca481e8fe5ce8927b2b3f8037101f578c29dbbc1244f7
14. 0x18eb74a119177bb5bebcacf2408a5e6d3077ca72c11f6b567524be7d0ca76555
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90