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. mupBAc74k

Height: 2227
Hash: 7cac91beaf181a4e0428b7c99c40427a85a95b2fdcdd771eeaac3389d9bcfeea
Previous block: 1c70ee099b7e5d46b8f012a400a4f8fedace0c44d10b04a8018b1374c338b3ca
Next block: 74017c7fb0030b47d346d2323e683825d97e81d6cb4b4e5281df6eb2a49dcbfd
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480980
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 9623e60c5c50056c8db60017c4caa02454106a68293ecb0d3282ab71e4269eb8
Median time: 1719480980
Difficulty: 4.656542373906925e-10
Confirmations: 65
Chainwork: 0000000000000000000000000000000000000000000000000000000000001168
Bits: 207fffff