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: 1372
Hash: 792212ba7a128559d2817d8cd16557763c5c1dc6aad09b3612b944f71d5484cc
Previous block: 6023627b18b51ec8917d38c17ea5c5823a9589e84c7d9c19b5b05be02da510de
Next block: 6fd50b494703a17e6d116304281638dfef91991f20731a17da970ece035e3a28
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697636
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 437b32e818baaf4f481615ed287d9127f980fa62764466d465185b67f0a3dc3a
Median time: 1718697635
Difficulty: 4.656542373906925e-10
Confirmations: 872
Chainwork: 0000000000000000000000000000000000000000000000000000000000000aba
Bits: 207fffff