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: 11
Hash: 0d128abf4e783e30ef4f497750e63197dfe2f2233980630fa3884abf2be31d84
Previous block: 09adb6bbecc44599a75858dc5410267dbc3058db86205f9c4ecbcf7c0b52def4
Next block: 6af950307b7b7327e9c590b86ae0e81c3b2f4bd95f451f48b1bb526c48ca1573
Weight: 864
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701597869
Stripped size: 216
Size: 216
Nonce: 0
Merkle root: bee21c528ce503eaad465904af39b21c9288ce75e2dcac708c3921229cca49f2
Median time: 1701597868
Difficulty: 4.656542373906925e-10
Confirmations: 2233
Chainwork: 0000000000000000000000000000000000000000000000000000000000000018
Bits: 207fffff