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: 533
Hash: 62de2fff15563198e2226e8d31302c6c5ac97c6dd4651e9ab6d5b754061b8279
Previous block: 480abac9bb68a9bfb6f5fe85d5ff3b293a934fd6924ae1333711d625abb4279c
Next block: 7d3519d0692f97a59d2316c3e3cea13cc30e786ab709bb206b04b1e309b37d61
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864232
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 9af21901a5a4ec5f7601afb52178c9c0c884f5dd86bcf93880390cd893724e80
Median time: 1701864231
Difficulty: 4.656542373906925e-10
Confirmations: 1711
Chainwork: 000000000000000000000000000000000000000000000000000000000000042c
Bits: 207fffff