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: 984
Hash: 16399d17c5e3d6108abde838093e801f86b41f9b55b563f7443da6eb6fc560a5
Previous block: 65cff976d71a39827c4937ee511e643bc2d4364f9d1e8ae8c6adda674f7991d0
Next block: 4b50839e89c2d57647c390da71bbd9621e8f709d602eb5c3e5f82c2a019b8f8c
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857832
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 2913f6547a84cd1b15b002e42dd33934a818fcc0d635c533534f9cf2299cf4b4
Median time: 1707857832
Difficulty: 4.656542373906925e-10
Confirmations: 1260
Chainwork: 00000000000000000000000000000000000000000000000000000000000007b2
Bits: 207fffff