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: 2065
Hash: 3bf74216666836f9679a8bcc5a8666d510460b73f120dcee6c69bf11dba7ba88
Previous block: 667a4fe3d82d4ebdecc87892e96186f2035fea75d46394fe546a228c6ac3002b
Next block: 62681e1f6cdc17c79725c43053b55261a6799b990a80e9fdf84987c6faff7306
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964781
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: c8989da7aaaeb66dcc96ccd5d01f12899ffa666332004064018c4d692d7056b1
Median time: 1728964780
Difficulty: 4.656542373906925e-10
Confirmations: 179
Chainwork: 0000000000000000000000000000000000000000000000000000000000001024
Bits: 207fffff