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: 1468
Hash: 406bf87f976a4cb85f594f138539332ead65b67550af664f39c153e8f6f49e12
Previous block: 6b280b6ad30e50df9e7461e08db9b91d0758f597ce4826e99241d40ee3a6e766
Next block: 31e07e7e315d7b22f46727d274538b4c4fe5e3f9d116c1d150de0e558cbae1e0
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697652
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 597ca2827779d975230e57aa7e4fb4dfeca365203ec334ac8f511ef359e670ff
Median time: 1718697651
Difficulty: 4.656542373906925e-10
Confirmations: 776
Chainwork: 0000000000000000000000000000000000000000000000000000000000000b7a
Bits: 207fffff