The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1711
Hash: 5775fb906ee4feef187833515de06fffbda3d85cf5cc9d6064e7564eb4fb2634
Previous block: 4f225f0008f30575f5386c686b79c8c4c967d8eba5ab73e2f2a70de9d8a67edc
Next block: 49cbcf805a7ebd524cc58461aa666d2e56e10fd8a271185fe308bfe0460ec3b7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159208
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 1c7482cf5d410ce60b3f0a21136d9d13933ef322a3b6b4361a8889fd23bff24d
Median time: 1719159208
Difficulty: 4.656542373906925e-10
Confirmations: 533
Chainwork: 0000000000000000000000000000000000000000000000000000000000000d60
Bits: 207fffff