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: 734
Hash: 053cc3fe585733d8d655f8a57c55b76bb9dfff4a1122574deb40b15005004076
Previous block: 58d2a982f12f67d7381121f75e5d310e63a9fcc88366b15c933651652dfc34d3
Next block: 2d9396cc59fc37f2ce0b23a3421db8008c3c6530ae7fa9d54ab2a9460c8cb705
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864266
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: d8e8a927102d54e42f882810038999ccc682962dbd15f23e14e5b8a67da4adda
Median time: 1701864265
Difficulty: 4.656542373906925e-10
Confirmations: 1510
Chainwork: 00000000000000000000000000000000000000000000000000000000000005be
Bits: 207fffff