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: 1108
Hash: 15c38ef32c6de346baf1244b85f1b65e8dedf3cbc12e9f954e50f502f435de19
Previous block: 1b42c288607542d86fe033bff1886ed9707863c741e8fb89dbf3cdfe81c0add7
Next block: 6d2172a89b0037d455f4f4ab28267bfd96e1a9012217fcae241b8e3708b11790
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857853
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 392ee894adbd44484de0740f56f15973f4c8f02794f5e9266704cc1cbbb6d012
Median time: 1707857852
Difficulty: 4.656542373906925e-10
Confirmations: 1136
Chainwork: 00000000000000000000000000000000000000000000000000000000000008aa
Bits: 207fffff