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: 761
Hash: 1faa4661e99992ba577bc6bca661887761f7194bd54ce633f3de0fffd3f69392
Previous block: 05cb746d587a7f9b1321d3a843fca28926f55d44b95465511225be3bdb63630a
Next block: 4ac6e2a078eb6326c7e5f9cc3debdab925c7ab800d2af585b5deb17dc7297b3e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864270
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 03fab7c01253c194d0edb554474d6ce2658430f41a4f1af20d075f5d76e4e605
Median time: 1701864269
Difficulty: 4.656542373906925e-10
Confirmations: 1483
Chainwork: 00000000000000000000000000000000000000000000000000000000000005f4
Bits: 207fffff