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: 977
Hash: 0e3474b0be861e778ed00e8cbb4121a6a5d408f3b911244b669b57fc516156c6
Previous block: 15cbe92fb4f6f17cf69ca42b3c9cf1c842c0285d0d8b2935985fa2bac55612bc
Next block: 4faa0fa8f3cc3f0886dc2a920c00e8ade9c6cfe15312ffc4088121a7f73ecc93
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857831
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 13b6daab3ab4b3bb71272698c97b5185c3218c2de0896c0422f629e51ac54892
Median time: 1707857830
Difficulty: 4.656542373906925e-10
Confirmations: 1267
Chainwork: 00000000000000000000000000000000000000000000000000000000000007a4
Bits: 207fffff