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: 1038
Hash: 09a288a78bbdd7b111b0d170f2be2f87d00e08fcf16268bf44d800e2be4965b1
Previous block: 7be1050e8cf09f9d4ad838467b7c9d131fb75f10a6504f937fc68a389880a6d8
Next block: 67e0a101b26fc598ee4e4a2349806487ea15264fc4e151135ff20b5184b390a4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857841
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f4ee78a3988b6831a2132c7f2e75c06021208e0c06ea3ecb58a8df5f05a79a81
Median time: 1707857841
Difficulty: 4.656542373906925e-10
Confirmations: 1206
Chainwork: 000000000000000000000000000000000000000000000000000000000000081e
Bits: 207fffff