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: 701
Hash: 179b66d2a49af47f11f0f6f7b66c3b052a70856d577c914399c9765c7c93022b
Previous block: 62df93e410c2edece9797560e9bb9f64846d425d4c9fe13ad052235538e8b02b
Next block: 3979884f45473e50b1f44a3100bd4904f2d09c81b50212444020c98f2d21ac14
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864260
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: fc0b1071100886f7a0ecf1af4b6a7a995af435e835d15f04458da9de97f73428
Median time: 1701864259
Difficulty: 4.656542373906925e-10
Confirmations: 1543
Chainwork: 000000000000000000000000000000000000000000000000000000000000057c
Bits: 207fffff