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: 2150
Hash: 055503d35df7467044162d4d50aed0a960cf3a155ced62f33466909f7791808f
Previous block: 73c32fcbd32431b64d95bb88171e7135d1d97330442018f667acef340885d865
Next block: 10dcfcdf5bccde4bd99c8070d50fce9a85b92e3b3f9317633ef19655f95c3be4
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1728964795
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 581abac7b2bcb09537eba4e64593021e7f38410d98b5f47bbddb2dbb436aed31
Median time: 1728964794
Difficulty: 4.656542373906925e-10
Confirmations: 94
Chainwork: 00000000000000000000000000000000000000000000000000000000000010ce
Bits: 207fffff