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: 2633
Hash: 23e0bfd849c1f8ab02455dcb583ae93e5cc829a72f3f29858359de3b7a61326f
Previous block: 60077a55c841f7400d9682ac8e5d9f3351b0a3f35f23457d17c248e25ab801be
Next block: 54f2809d780e278fabb49140e3c60245b59b13b9cdddbf0d790b789fa189e31e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847325
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 9f4b0d46befb568832823639b1e41471f62d603888c39eafcf27b21054ec4b94
Median time: 1743847325
Difficulty: 4.656542373906925e-10
Confirmations: 10
Chainwork: 0000000000000000000000000000000000000000000000000000000000001494
Bits: 207fffff