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: 2316
Hash: 08629a1ca70a15e599ffee10674ccc6f0b35417c4e5960f2e56544081e74552f
Previous block: 66c72682fcb73bb7174a862cadbb46dd9a19dd0ef0f524acb472f4e83218b4d7
Next block: 09e89f1bf004bda7c221578d2d74f13969383443f90ec56e9fc09294449fc62f
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847273
Stripped size: 218
Size: 254
Nonce: 0
Merkle root: e885d3d4c2f78da74321a85f75d231ba460736efa6d1666d04af8f3df9c42f27
Median time: 1743847272
Difficulty: 4.656542373906925e-10
Confirmations: 327
Chainwork: 000000000000000000000000000000000000000000000000000000000000121a
Bits: 207fffff