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: 813
Hash: 6ba1abeb85de7b0a1db139524855a2172efd581a0d3a52afa54f190bdb0dd79a
Previous block: 5c692b452e451bc9eaa7c13bc1df72f3be47c5cf3ac5070a1dfc92fd3d68d1ea
Next block: 60ba255c2cc4a979e88f83da906462542c60276f8f38f332761e76cb25128d74
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857804
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: fc34e50cd1cc422cc03d5323e1d72dcfc9e50cf14c31b6dcce658c222f6fb6de
Median time: 1707857803
Difficulty: 4.656542373906925e-10
Confirmations: 1431
Chainwork: 000000000000000000000000000000000000000000000000000000000000065c
Bits: 207fffff