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. mupBAc74k

Height: 2278
Hash: 62783f0fe4b7538ae381d65468dcce30ee2433e684d91184323c0f1f6c3894fa
Previous block: 752aaf6902c2ac7db75b08a8f0084efd2c6d0dc3516267be91c7c37c50465ceb
Next block: 575366fd94571d46cec72440bec6a30c4d753fe447612c97d049fa1a4d0ad9fc
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480989
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 1747b63afc75b7276a4f2a2345510632061eedaa03de1c82404620656c1121d8
Median time: 1719480988
Difficulty: 4.656542373906925e-10
Confirmations: 14
Chainwork: 00000000000000000000000000000000000000000000000000000000000011ce
Bits: 207fffff