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: 974
Hash: 6b01f4f627bffa957350b424a10887373a33b6dd4b29affe0af4e73a99903996
Previous block: 4472111292919eff2bc953d90fad4d2f0fd0e6b129e8bfac4ffdb30723c3d7c5
Next block: 32d9fd2ab197b5d20450493da4064fe238489bef815c6db5d590ee120a217f35
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1707857831
Stripped size: 218
Size: 254
Nonce: 2
Merkle root: 3fd2156b12f2b21ac9810fc07c0d8b84322f85a54a6ffda5bd6f16a45746a924
Median time: 1707857830
Difficulty: 4.656542373906925e-10
Confirmations: 1270
Chainwork: 000000000000000000000000000000000000000000000000000000000000079e
Bits: 207fffff