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: 2003
Hash: 6dcc969c17807503911215467f74ce26845ab9f013e26f6018f0b6e2032207e6
Previous block: 21181db852f127108360e427bf74759948c8d9bc69d3aa8ae94d434555e9f362
Next block: 1f13ca9fe2bf6b89279ebf4a61bfe565e9ee66764b57e7388a4d038736745e92
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159257
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: b2ef3634179f94587fe4ffa5dfc8c2b7a2067f116a3010b1b5401849f5884b97
Median time: 1719159256
Difficulty: 4.656542373906925e-10
Confirmations: 241
Chainwork: 0000000000000000000000000000000000000000000000000000000000000fa8
Bits: 207fffff