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: 2626
Hash: 355c88929ce0025cfb399232b660deb77e11f42a42c1c86760fbdebf7d8fbadd
Previous block: 3d0266340748916fbfc99364b4ae8fe0489b78c33061492de69c76d1044dcc8d
Next block: 396705dddd8141b12977095d71f0b92207288004fe87ec5933e6589ada276278
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847324
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: c44e4aeb16a4b22824089eb18a3ab7eba9aef03b3c5842790694f60f443109a2
Median time: 1743847323
Difficulty: 4.656542373906925e-10
Confirmations: 17
Chainwork: 0000000000000000000000000000000000000000000000000000000000001486
Bits: 207fffff