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: 715
Hash: 5601c178bb9d6b83a9b06b1d57e414e4e10692f89db8089ad2da9903bdfb8c72
Previous block: 563af5cdf4ab11ecca0f17349769953ff3706ea9fe3443e533462f162bf388b7
Next block: 5abfaaaa02db0cae290279d43a5c13a9358b5223a1869c35f47f3c9f20f61c56
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864263
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: b09c69af56e5af44e82e5266c82100a645d45ba915d933ade26fc4e2daba80d5
Median time: 1701864262
Difficulty: 4.656542373906925e-10
Confirmations: 1529
Chainwork: 0000000000000000000000000000000000000000000000000000000000000598
Bits: 207fffff