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: 964
Hash: 0a86e311aec35ff75ddddd49ed7184bda1834c5b9f0d640e0cc2555fe6ca0547
Previous block: 06696e45e53a76d465ce73209360c9c814c463819860a13840a39389d70bf143
Next block: 05f82614a29074bbf00567208fa5734dfc08614a11b546d7a790cbe4841c93bf
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857829
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 47cd59dfe4e0594d72e9a367fe84f7b896f423268d33f881a38ac5c30fe1d767
Median time: 1707857828
Difficulty: 4.656542373906925e-10
Confirmations: 1280
Chainwork: 000000000000000000000000000000000000000000000000000000000000078a
Bits: 207fffff