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: 265
Hash: 08253458f56a836d779a2ecc92836d675595dd76cd41e35eeb5b2906dcda0d67
Previous block: 0e255cf0b1f823cace3d2d414f41f71e3c29c38104c9adf3800061a3338e9576
Next block: 139835ad359c82f9ae78d73597e04af893023e86785afaafba0b8c1b253ff914
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597911
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: 5c606bb1dcd8fbd295a3ec4ee778130bafc598817d5ac81c33dc26a08bc9a40f
Median time: 1701597911
Difficulty: 4.656542373906925e-10
Confirmations: 1979
Chainwork: 0000000000000000000000000000000000000000000000000000000000000214
Bits: 207fffff