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: 1127
Hash: 7467481aead356ce220398a8bdcd7f8f9f24c0c569907467d0a1f4a9487c1f27
Previous block: 1fb1c3ff5f7d162e0679bb1fbf82d796e66b0d696f304cc874c2b767dd42ebf5
Next block: 4f68604ee848a499c67f07d4e30d945c5f7d2913d920165100d843cbdd02838a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857856
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: a61dbcffe91f0b8b0de530e50072df0f776047cc169d95117e10b8e4e9e18503
Median time: 1707857855
Difficulty: 4.656542373906925e-10
Confirmations: 1117
Chainwork: 00000000000000000000000000000000000000000000000000000000000008d0
Bits: 207fffff