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: 1792
Hash: 36bf2beb9d21b07bdcf6c2616b6199afc6c60c2518dd24f391886bbe09e50f1c
Previous block: 60f5fe4f5b69b0d0a74c06b28e894b25d95af28b322c6fffc6bd2ea04aef8474
Next block: 27f85d67fea697337864aded6cef9b6daf39297e54c010b4cb13d798630b83ee
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159222
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 84d2fe8f53c5b6988b5c6b4f006717e8c86d496b2da45ded921b898e5a75db08
Median time: 1719159221
Difficulty: 4.656542373906925e-10
Confirmations: 452
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e02
Bits: 207fffff