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: 1100
Hash: 386967279850df9a203dee354cd222fff67da6a697d91e84dc0fd356a0531073
Previous block: 13aaa7ab37bd006322ee9150b1865f8bf8fcb4ebd2ace93cf4e6b0a99da9f52e
Next block: 64017de95d426fffd6fb7b37b79a65ee55b79673e7e8f8e62f997101187f0e24
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857852
Stripped size: 218
Size: 254
Nonce: 5
Merkle root: 3df7a399bcfbe170c215aaf52067140df96b10fb084767869eb1b0f14731ca2e
Median time: 1707857851
Difficulty: 4.656542373906925e-10
Confirmations: 1144
Chainwork: 000000000000000000000000000000000000000000000000000000000000089a
Bits: 207fffff