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: 1982
Hash: 61119006013f9a302f5c41fa67aeea7fec3bc4313e9a64be8307b4046b2bfb8c
Previous block: 70cb8c54e8902b4d645ebf0f182293be1a090eb69814702f45bf27c54199726a
Next block: 5ee0b03d985e6328610ff708aba5644bcbc3c29aedafbbc51fbb309ffa3a2025
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719159254
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: 4aab2d5aab00bc70ddd309bb87b7cb0668809b99634dd9010fd1d638ee55ffcb
Median time: 1719159253
Difficulty: 4.656542373906925e-10
Confirmations: 262
Chainwork: 0000000000000000000000000000000000000000000000000000000000000f7e
Bits: 207fffff