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.

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Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mxMfLjAez

Height: 1037
Hash: 7be1050e8cf09f9d4ad838467b7c9d131fb75f10a6504f937fc68a389880a6d8
Previous block: 18d006495ea8fc23867dab0d12156ca512199bc342ef17992310c54e3d797723
Next block: 09a288a78bbdd7b111b0d170f2be2f87d00e08fcf16268bf44d800e2be4965b1
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857841
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: abe939cfdcfd36484514a6715a7ff6a4be2d5026f0a39db2cbd2fdda5a8794e2
Median time: 1707857840
Difficulty: 4.656542373906925e-10
Confirmations: 1207
Chainwork: 000000000000000000000000000000000000000000000000000000000000081c
Bits: 207fffff