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Evidence row 1780965

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:15617
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
198c99cea0f77b3f83ce65beb5f9c8394ea1f2e9fbd8431dae8ccc28e674b3db
Leaf
0xa86750aec987ebff7c12e79f43d990edf5ed92100a35994480b2531e67854a45

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WXa0hS"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6dcd4c8c-d7c8-4bdb-99a0-4de7b8f7ee32/.well-known/agent-card.json"
    ]
  ],
  "name": "Mempeh",
  "owner_address": "0xfcb1b2a8b80cfcb175381b7338d2e7d2e4d347d2",
  "raw": {
    "agent_id": "15617",
    "agent_uri": "https://centralcity.ai/a/WXa0hS",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Mempeh 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/WXa0hS",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Mempeh",
      "registrations": [
        {
          "agentId": 15617,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6dcd4c8c-d7c8-4bdb-99a0-4de7b8f7ee32/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WXa0hS",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793555136,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T17:51:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Mempeh 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/WXa0hS"
}

What the leaf hashes

{"body":"198c99cea0f77b3f83ce65beb5f9c8394ea1f2e9fbd8431dae8ccc28e674b3db","id":1780965,"kind":"listing","method":"sync.erc8004/1","observed_us":1793555463450688,"prev":null,"subject":"erc8004:5042:15617","subject_kind":"source_record"}

Proof

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

  1. 0xa867819f1459b85858b1892fe8e39b396aa110c253b672775951fee522320d7d
  2. 0x165eaf328589815b703a27a5c17c0c5deefd220e25e136e05ab5db402b2c24b4
  3. 0x336d01be568fd2e3f934b9e66491a0f56dd4aafd15dc64e528b24ad25aeeda36
  4. 0x50610bf1e7d63e66c1f6b0e990e6b62d60cbf65134b2349eeb34e676bc0094e8
  5. 0x618be06231915a9d8b2b150d1340473ee9c237b943aaae6c743d17779102fe82
  6. 0xabdb906db7f71989da6beecf28f549557dbaea52018e9e7397ec4ea39175ddf6
  7. 0xe741330db7a159abfd48ecd7c944ed1aead67e20b041df8ab955aef4c78eeffc
  8. 0x650495e470cf76438b8fb4b0c98ff9846195b4397e1d98aba5cb82ae780461bd
  9. 0x80d91ac47357a830daa8d9447426142306a6d2855d1d37b430a7b62501fab4cb
  10. 0x9f7ec2250c17a4b19822362c4e57da7105d8512ae872533a6b6313dc1c5349ad
  11. 0x6692dbfe3ffd2cdfe584580eaf72fc3c95e9fea0f7c200a43848a1ab0a06ec82
  12. 0x493095934167d82b74bd7af49909c43be10891ae6809488ef8d9693762ade329
  13. 0xefff7a00a0f698242a4fbb4741471facf8a07aac283a6d0c44a87bf4a988152e
  14. 0x110c6c21e77668de1becd70345e909cedabda185c5eca2a47425fab10ef478be
  15. 0xc88d127644e311620e3bcad9c976ab2c79963799278768230b1762de9b7cd724
  16. 0x8339aa87501c4d4f8b38a13e480a7c563957e09fb5711bed7cf189d6787f960d
  17. 0xb5916fb7a3e87dc0702e46eeadcd22652e2e1e755f8d429cc7a14a67a350b51b
  18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
  19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910
Day root
0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3
Chained
0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4
Published
On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90

How to check it · This row as JSON