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: 1131
Hash: 6c9660d0e2bba314ed77089b2eafbabea8c929521d8693b3ce4f4258aa15591d
Previous block: 1b198cdda2ce336f7710bc926117f322fcacd9909a58a556f1ac30d03ffd710a
Next block: 42db7b2c3a0416c80462b342575596ea73ed55e7402cb262ddaed43b920eb224
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857857
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 0cc29220c60d5ee69e864d0de549505463af82689ee213a8ca5ccec3548704ca
Median time: 1707857856
Difficulty: 4.656542373906925e-10
Confirmations: 1113
Chainwork: 00000000000000000000000000000000000000000000000000000000000008d8
Bits: 207fffff