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: 1295
Hash: 412d31ea257cf110a3508c7004b04159eb5bb7e583d95e94fcafadcf88186324
Previous block: 7d6c0150a3774322518f8909df435054a7663413c9007ab1f2e12f90e32a5231
Next block: 70d8840c239b6567cc732397f288e69aeb740cbb49aacddb7583097b19026c67
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697623
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: aef22b5c252d87aa41c4fb428563b2ac7284c4955e0cf4e3e9a367d156dbe4b8
Median time: 1718697622
Difficulty: 4.656542373906925e-10
Confirmations: 949
Chainwork: 0000000000000000000000000000000000000000000000000000000000000a20
Bits: 207fffff