Evidence row 3420869

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Da9Ad3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/4d934f6f-9bfe-4c54-9c7f-35056c753e0c/.well-known/agent-card.json"
    ]
  ],
  "name": "Grasseon",
  "owner_address": "0x03c977885e0d472b84e49428a567c93525ee7910",
  "raw": {
    "agent_id": "341974",
    "agent_uri": "https://centralcity.ai/a/Da9Ad3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grasseon 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/Da9Ad3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grasseon",
      "registrations": [
        {
          "agentId": 341974,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/4d934f6f-9bfe-4c54-9c7f-35056c753e0c/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Da9Ad3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793891931,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T15:20:01Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grasseon 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/Da9Ad3"
}

What the leaf hashes

{"body":"a075ec49f34fc9c1b9aefdc5e7dd6f9eecd46897605125314bb69f6a674e5517","id":3420869,"kind":"listing","method":"sync.erc8004/1","observed_us":1793892001708699,"prev":null,"subject":"erc8004:5042:341974","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0xbb32a9568d8231cd6b6eb239a44c4a2ad7ae41f8e6fdd0fcea1786f39c6d893a
2. 0xe9f79a42a268b19da475e275f852cd48cb0417ddf6848f41cd39be34fd03bf68
3. 0x6a6f0d124fe8a61ba73c5b702d8f88015bdbb60115cd679a41fbbfa93ca97b96
4. 0x3fbd3d53daff8f74fe1edbc8a43aa82b7691d01e40f13a29e9c17f54b6622989
5. 0x2a352af3aabf12737e59e6ed04ef21fd01b274c138014909626c025da0b27e6f
6. 0x7ee34cdef1ca721ca8030ac79e5cb5634ca94ad5337d66a22f1c14645dd6c249
7. 0x2e79cc433b9188d0d72f09581c4b40dcd3d2b4722de16bd95a02176fccb5fd47
8. 0x87da33436293fe4227d88a6ea61b7ce83f4ebb62a2c379a46553e5e25a14f504
9. 0xf4913abeb7751734893a64015ddc3a65a5b44d0bfa615c1cbc81556adfbf9dba
10. 0xaa0d0d0885b9792289b5a9200ca55a9339eae39c781adaed55968d1758741756
11. 0x4654fab516129a649932b31426338b6d1b08d4b58d57adb64d6b3ed3a35291d3
12. 0x49826dd2ed27100a6876197c00d27e7e258901ea963192e545260753ee2aad9b
13. 0x4d1a3e1629ac94f008f86d640e2215294c455c0cfa68052fe7599448f393c0ab
14. 0xfdff056f2f1484871f49374c23ddba883f11db9a6da6292a7e99a1638cdd3d63
15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94