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: 980
Hash: 3bedff17b0360702123cc21bab89d680acb34bb5c113f3218c7c920fe39ff5b8
Previous block: 58a89d7b07f9d8bb6d0e20135df426f7ccc4a46b67571f6743581ac802aca55f
Next block: 69f699cce0660b0db9a35990ab2be42b4f3f361d0417ee88e1e83ab58f9a1faa
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857832
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: af71fe1bf9ab0829f7d8b7e6ca44b7b6828a194e2882dcaa90a9c45aeeeb6f95
Median time: 1707857831
Difficulty: 4.656542373906925e-10
Confirmations: 1264
Chainwork: 00000000000000000000000000000000000000000000000000000000000007aa
Bits: 207fffff