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: 822
Hash: 5dd4ca0ada3a034eeaf23a96afa16498a7dd11d66e8b849d274612b403c82205
Previous block: 36dd289d7dd09e113746d38cd508bf08c53d01d545db237f2a0b5cfd198e3413
Next block: 1bc27956e5bd871eae44f1816f54a59d6882dc466c107332fb69ed3382021f16
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857805
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 3b111763af554ab23dc9afe2f976be18828fa33433368c6460bfa5ec9cae6a10
Median time: 1707857805
Difficulty: 4.656542373906925e-10
Confirmations: 1422
Chainwork: 000000000000000000000000000000000000000000000000000000000000066e
Bits: 207fffff