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: 1098
Hash: 762534804a6bc927f7cd6621dcb5fbdb92f1280ca22004875b7284d9ae0ac30e
Previous block: 0363a9b3baf4e255515bafc053f19e7ac19071fa614acc136d2d76e17a7418d6
Next block: 13aaa7ab37bd006322ee9150b1865f8bf8fcb4ebd2ace93cf4e6b0a99da9f52e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857851
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: fb4b0af1497144b07c1d610404351bd9242e8cf7ec714491008f6b2aade447ed
Median time: 1707857851
Difficulty: 4.656542373906925e-10
Confirmations: 1146
Chainwork: 0000000000000000000000000000000000000000000000000000000000000896
Bits: 207fffff