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. mgqFp9Dhy

Height: 2207
Hash: 7673f3c27fb2044ef711af4a2dac17dcc7935310defbba8017db95393a94f435
Previous block: 460cc03b1e29e36458dbeb530d2d73c15f62fa584bf3230f2d6b8f4e67a591ad
Next block: 190474487495df984ac93d1a23d2cfad4adbacde498a530edd031f73d1dd02df
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964804
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 227ca45ec2337d5922e77360b9076571ece0d278ae01f05729069b9c48ca5083
Median time: 1728964804
Difficulty: 4.656542373906925e-10
Confirmations: 37
Chainwork: 0000000000000000000000000000000000000000000000000000000000001140
Bits: 207fffff