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: 1560
Hash: 792ec49f241230f1df22fa57bf50370b40201381d9cef9dc18ffc0082e27ad65
Previous block: 681c2d1a8affcb63f4c1acdbded6054e93624e6a28b31cda77f93e8c1ee71d8e
Next block: 2f5268419e322874f5520fbc7e8252f6aab82e41ad5b8f3ddca816a55b8a3fbd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697667
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 91eb8d87258c2d9c972a0fc8473653a35ddf6f6b146152ac320958b54aab06e5
Median time: 1718697667
Difficulty: 4.656542373906925e-10
Confirmations: 684
Chainwork: 0000000000000000000000000000000000000000000000000000000000000c32
Bits: 207fffff