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: 1269
Hash: 65bdd6bae4ee3248d465929b90d5b8b7645b7f49c6f013df3142b1b668db3f8d
Previous block: 7abe6fa0e2d2f65eccf272c9263ff2584d44de94a6add6a99484092749fc7481
Next block: 681d1454320b70eb16c43737134176251743fa973108ff7196f62411a645ee59
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697619
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 419c4965bc66bda36b5554b7bec0cecd45e1a070952ea3e4d141b532891f96cb
Median time: 1718697618
Difficulty: 4.656542373906925e-10
Confirmations: 975
Chainwork: 00000000000000000000000000000000000000000000000000000000000009ec
Bits: 207fffff