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: 966
Hash: 28fd6cf39067ac014590127efc77d01adf1d29415707f0a5fbcd8df156fee76d
Previous block: 05f82614a29074bbf00567208fa5734dfc08614a11b546d7a790cbe4841c93bf
Next block: 3d9b2efc1af1d94111b751925bb2a4491f4d0e1854b3f0807e5bc99098339af7
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857829
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 1ed3e985a611d1d9e9c2720cfd49a826a5c26cd35247e97cac5ca2e3ab48ffb6
Median time: 1707857829
Difficulty: 4.656542373906925e-10
Confirmations: 1278
Chainwork: 000000000000000000000000000000000000000000000000000000000000078e
Bits: 207fffff