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: 2614
Hash: 2223f434f4aea3d2454dbd8fbc80392c15048b2477f51e918b51965b39a115cd
Previous block: 09f5126725f8e50e979b2db732ad08b3281215a3276a6d0bdaa939a638d31b30
Next block: 7dcf96b3a99336a95ba4503a5b4d02aa2df8faad5d1aa56cbea70d87b911a42a
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847322
Stripped size: 218
Size: 254
Nonce: 5
Merkle root: 08cc9b005d53aa100291db94a4d95532fccdbc796531f1344415fafb96af1abd
Median time: 1743847321
Difficulty: 4.656542373906925e-10
Confirmations: 29
Chainwork: 000000000000000000000000000000000000000000000000000000000000146e
Bits: 207fffff