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: 2276
Hash: 08fe4802c59ae2b6e5402d7fdb928deed62349bbbfaed1e7dcba930354798730
Previous block: 18a1a0a585f756e2ad1e7cf571406a56b92d0bc1ed06d26f7b86458763e2d832
Next block: 752aaf6902c2ac7db75b08a8f0084efd2c6d0dc3516267be91c7c37c50465ceb
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480989
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 79b18c9060d6503b8d012122bd15f1b9717f85e23661c25bce0eba11b0fbd889
Median time: 1719480988
Difficulty: 4.656542373906925e-10
Confirmations: 16
Chainwork: 00000000000000000000000000000000000000000000000000000000000011ca
Bits: 207fffff