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: 2548
Hash: 633f23a198489c177a83ec2cac5766114d5bf600e4354a6952a5a243a5d291f1
Previous block: 7f2dcc4960aa6f9ef752c8604f67c459aeed5385d54ed0929c37c8bf12f89b12
Next block: 0f29a4a4388d8236c40bfefa54e8e505655cc303c9791267cb22b883e5419d92
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847311
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: fc97778e79488d7df67e54170618060020a2bb58b2c2ac9b62b523d0e6006166
Median time: 1743847310
Difficulty: 4.656542373906925e-10
Confirmations: 95
Chainwork: 00000000000000000000000000000000000000000000000000000000000013ea
Bits: 207fffff