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: 1861
Hash: 0dc6d8124a34754564af54e2e3514073e5efb80137dc2150c6497906013bf0f5
Previous block: 130c48f538d52d2e78a8be99293697a95201adb54d27cff01afb85aae431a969
Next block: 79fbe340c235e56916f3a579b968c45cc5d9e653ffb0c4ec62be46b55585b661
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159233
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: f00eaa0f9f42cdf59c02ec070d90569a8d1f98f6a2b37e495432108b8d16e455
Median time: 1719159233
Difficulty: 4.656542373906925e-10
Confirmations: 383
Chainwork: 0000000000000000000000000000000000000000000000000000000000000e8c
Bits: 207fffff