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: 1158
Hash: 6f8bce22a2aba4f418ee18d29263071196a914b45b4e9a965f2658646d8d7365
Previous block: 4225fa72b37f7cbabd9822a8a41a8080a0be87a79e77f0c070099294c32a9a03
Next block: 0e06f1fb69f0b139810d18bd396faf0ddfa0039a5994c00dd4d5adc0e2ae96c6
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857861
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 9c7cce8c4518edadb7e73e24b973b8ce029f53215ddb7e96c237b224949e31f3
Median time: 1707857861
Difficulty: 4.656542373906925e-10
Confirmations: 1086
Chainwork: 000000000000000000000000000000000000000000000000000000000000090e
Bits: 207fffff