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: 2570
Hash: 11950293dc9a871cb2fa009d66c2568fef7f73382c9ebf3bc9f4f0d0c0e493d9
Previous block: 1b1acc0b4e8550d3b93552aca05f92ec7fab4611cf03886a04107a811a01ab53
Next block: 6afcdbca54051d3ffa5fd10d60c6c46f4bfd1cdf163c8bda0b8cf3442c4752bb
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847315
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 1604f9c31d4f2e917dbf004b82cebd094d834f08de30dfb9b0811f447e3f6557
Median time: 1743847314
Difficulty: 4.656542373906925e-10
Confirmations: 73
Chainwork: 0000000000000000000000000000000000000000000000000000000000001416
Bits: 207fffff