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: 706
Hash: 03e714949d1c6827114613846dfe645699ca6f892608ee88b43f97d8b15b319a
Previous block: 66239632cffeee6bd4368ec9c7be96c9caabcf3b6f38111ea3456d7e8f9b957b
Next block: 1483940cc8a41e2ec3ebd12273fe563aa8a5a08d3a03987430141f686ddb2ddf
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1701864261
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: 43007670a49c99d5b54d5bd4c9b783daf246b22375f863c2b92100af501cc1b7
Median time: 1701864260
Difficulty: 4.656542373906925e-10
Confirmations: 1538
Chainwork: 0000000000000000000000000000000000000000000000000000000000000586
Bits: 207fffff