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: 1314
Hash: 4e49de296cb542e9ffaf59a096d6ddaa2bfd73d6f127801f31cd8563454308dc
Previous block: 743836f0ecc709f5930c5f1786d4e640ee9ab98d0982749a6c75e6c71b7284c4
Next block: 0200cd91c05f17e85575424a19666a7dad49ceb41df043b1ffa1cc3b73f6769e
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697626
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: bfe39673cbed4b5659d7b8191916dc55b7aad044b71441f8c46fc090542146a1
Median time: 1718697626
Difficulty: 4.656542373906925e-10
Confirmations: 930
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a46
Bits: 207fffff