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: 1828
Hash: 4abcc73583f2fd812c63e4b84f60d150bc694a9b8e3a683dcb614e26462d0729
Previous block: 400f27d00b86d165ee68fe4f3b373839eb5784fb2c963052911ced5e43d45b0f
Next block: 52f85b508d44f4a674af641adaa553ad4f878a3c3d54c7cd6daf56c019bff3e0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159228
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: bde104d0ee3a7564e642975a85813a489af3bda9f51de378f77165aa3a4aea9c
Median time: 1719159227
Difficulty: 4.656542373906925e-10
Confirmations: 416
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e4a
Bits: 207fffff