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: 2568
Hash: 0fbca0d85a5cb577938c2e071c8ed04e9668c471db00d1875bb7c63816918d8f
Previous block: 61e530c3183e3490c557152e121c8f89a8157aa05282acf4a5d3d79e6554fcf8
Next block: 1b1acc0b4e8550d3b93552aca05f92ec7fab4611cf03886a04107a811a01ab53
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847315
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1f948f2b0711545b763ded78f12f24d510aba264d8af71bfaf1235cd8b74acef
Median time: 1743847314
Difficulty: 4.656542373906925e-10
Confirmations: 75
Chainwork: 0000000000000000000000000000000000000000000000000000000000001412
Bits: 207fffff