Evidence row 1837679

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Yc95lo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/398af647-6dcc-4368-bffd-4e106a2a03eb/.well-known/agent-card.json"
    ]
  ],
  "name": "Grofon",
  "owner_address": "0xb80d91286e510b66ea9b535b809924c72fe72846",
  "raw": {
    "agent_id": "33393",
    "agent_uri": "https://centralcity.ai/a/Yc95lo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grofon 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/Yc95lo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grofon",
      "registrations": [
        {
          "agentId": 33393,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/398af647-6dcc-4368-bffd-4e106a2a03eb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Yc95lo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793572043,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:29:19Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grofon 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/Yc95lo"
}

What the leaf hashes

{"body":"333c306455e1a6c84a13120649798f29728e3660932b46c8f56b77a866d403f4","id":1837679,"kind":"listing","method":"sync.erc8004/1","observed_us":1793572159726679,"prev":null,"subject":"erc8004:5042:33393","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. 0x563b16c3fa59c7ee17e62f9e936dfc24669d6be140b4c79388eeaf82f93dd65b
2. 0x69f2c992837f6d94312276efa6ed7b62c4ec8d14b6b624710ce8768891f0d505
3. 0x209946acf558b157f843f9ef2085e8ab4da4dc185d6b6cfd69cddc55d714b753
4. 0x895f9c8cc922b9b8d796ceb9b006673114b27627fd0d60c1b65be7bf512c554b
5. 0xeb6fb3b3137ee619639b6ce949ed3a47732f015165b8d04f1f9a28e8d16e328d
6. 0xf2889b3c441d2fe83ed629483d2980657c4359893f689781c4c43ec51946f7e4
7. 0xabcdf9c35a9e91e85b254df46e0760536334b387aab04131742136cda76d1a0f
8. 0xe0c5e8954c3ac1e1e826e43e3f3e94ee6be761dfa285d7c5e340b8ebb9a648fb
9. 0x4d455069040944b0c046d9174cda09a22966214bfb7f9d620d2dd9fd130039da
10. 0x67cf521d787a16447fa2ab0f93537b55e96c125e4eb09b852bf69695b0ec8482
11. 0x0f84155a9cb1969cdcc45e24178fc0c64016a1e8fbca96b38613613255c3b012
12. 0xff9baca5e16460365cae5b2ed53057d5fafe487b1ae8b067547221fbfc14b910
13. 0x794bd22a6bc5ce0b466f5a150b64435e6cc8454386a705a7a74a4a6cbcb9e4d4
14. 0x9338fa49a0c5f3f5d810da4bc7c55c4f87067074ebe5e189dc6fb19ffee0ed93
15. 0xe622664153c4bb92e64b5edf8615a790cb48a8f528ac34b3faa4ef4dd70e05dd
16. 0xc1f6e8dd182b37cbb6e04d0e69486bd40d440934f8e373b9bae8cb78de508bba
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90