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: 2387
Hash: 0e17d8afeae209306ee4698a373099e27340b81b70f56dd530208259dc77d318
Previous block: 403709f7602486d9b06c24bc7d0e8b0aaca5ffaf6de8fa57bd873751797c744b
Next block: 61d61fc0523d72e6c614feb251d90c4346e055c2596f45dec4f0796137427f6b
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847284
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 6a8885fae995ac02b286f646dbe4e69d5f446fe879c164029948c293fc7c9ca4
Median time: 1743847284
Difficulty: 4.656542373906925e-10
Confirmations: 256
Chainwork: 00000000000000000000000000000000000000000000000000000000000012a8
Bits: 207fffff