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: 229
Hash: 13d153278cc7cc90d44c373b27c1fa8f215f4aa97fbe4da4f2034603094bc356
Previous block: 53ec3df992ff661ba36eca07bac5ad401ae6733c8e5c7e5ffcf63685153bd7ba
Next block: 4e23a39fbd52bde65955fabc3fc5fc3ef18ca6c6d207e38d9b408777aafebe40
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597905
Stripped size: 218
Size: 218
Nonce: 1
Merkle root: ed91bc88c9addce350d8a27ceb6e96ae7d587ded0475e33bf9d83b2501b5459c
Median time: 1701597905
Difficulty: 4.656542373906925e-10
Confirmations: 2015
Chainwork: 00000000000000000000000000000000000000000000000000000000000001cc
Bits: 207fffff