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: 1017
Hash: 1af0e5db1c54add5305aecff33422625d047fec2e42ae8691b117441b1ddf956
Previous block: 70a052192d93ef4dc1f8fe99d896eedcc677661cac639a49844aafaff47c7a12
Next block: 541b651d40b7929f2ce92632882a9a9a5a3e37b2b106cde8fa4468b77e004f61
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857838
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: b37e847d8bcc3123433ef3a6f09fa8bf57375b6208f73f480be457b96a3e3162
Median time: 1707857837
Difficulty: 4.656542373906925e-10
Confirmations: 1227
Chainwork: 00000000000000000000000000000000000000000000000000000000000007f4
Bits: 207fffff