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: 979
Hash: 58a89d7b07f9d8bb6d0e20135df426f7ccc4a46b67571f6743581ac802aca55f
Previous block: 4faa0fa8f3cc3f0886dc2a920c00e8ade9c6cfe15312ffc4088121a7f73ecc93
Next block: 3bedff17b0360702123cc21bab89d680acb34bb5c113f3218c7c920fe39ff5b8
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857832
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: d1be221874425bfdd4c6f6318152d7a25c5f5baa168537621b4bbd6590e8b436
Median time: 1707857831
Difficulty: 4.656542373906925e-10
Confirmations: 1265
Chainwork: 00000000000000000000000000000000000000000000000000000000000007a8
Bits: 207fffff