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: 1504
Hash: 723e39b76f153e877d7f6d426eb9c57c52f6fa6decfee85a0e09847e7639718b
Previous block: 6a42bd1d8d42a64b00cd0596096d7fcacbf83fd95e4da093a0cc431416e40905
Next block: 7fc300708f046626fcf189f1e0c7e0bb97e5480d358f0b6d3d1b76251ac4a115
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1718697658
Stripped size: 218
Size: 254
Nonce: 4
Merkle root: 6a4cb38598a74a31d7947e5eaf75f27b256053aa784ad8ec2d6cd1991045e2d8
Median time: 1718697657
Difficulty: 4.656542373906925e-10
Confirmations: 740
Chainwork: 0000000000000000000000000000000000000000000000000000000000000bc2
Bits: 207fffff