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: 1279
Hash: 2b64e638f849f364a9e0cc84197c6078436bace8ae0498905e20db1540a59d79
Previous block: 3ff3da1c3cde6b27534eb92112767d627ddc81a54775032856ae41a55a1fc8b2
Next block: 4501ce7ab26f3a41e9d0150ac23ada7f4df13c65295eb576428a41e5e77f8e82
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697621
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 1d709ae297d006cac447d92b51e960ddd17076e94c093f16869ee6fabfb09f85
Median time: 1718697620
Difficulty: 4.656542373906925e-10
Confirmations: 965
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a00
Bits: 207fffff