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: 2576
Hash: 0c9a80c184028b187f72287ede26c11594b3a44dfd8941db8db9efc297edb34e
Previous block: 7ee0236ac2fd3ea3573a30d5aefacffa0e7f88f6c874b014684297457a94f746
Next block: 238719130c454102c476fc3748b0f82c9ba22fea0bb99f24ef184347f813ee04
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847316
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: bbaa8603e061d9855687d9783b5c6c47e41e0e82cc96a479765394ac8a5a51f7
Median time: 1743847315
Difficulty: 4.656542373906925e-10
Confirmations: 67
Chainwork: 0000000000000000000000000000000000000000000000000000000000001422
Bits: 207fffff