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: 957
Hash: 660467262e2016a20deb525c9d66e09995db8527076e5fc530c9e833d7cd0f39
Previous block: 6ddf5dcb70425ed9e37626fd4def3eec20ccf59ab4270acecd36c219247791aa
Next block: 2f03a614826286fdafd3e52d284dbb312b36cdc399e8834ed0567bc197d41a2d
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857828
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 559d8de40a35cb84c33a45469935ea2bf2a7fdc9e32dba8348914f1329177542
Median time: 1707857827
Difficulty: 4.656542373906925e-10
Confirmations: 1287
Chainwork: 000000000000000000000000000000000000000000000000000000000000077c
Bits: 207fffff