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: 2509
Hash: 32925da00a574da472cb9f0ec40e9f3eb1f14f3bb1d40974f7570f09dfd0987e
Previous block: 0db5757a35c6d459977a064585d5e6e2de4a014e94632758df529e79037ddfcb
Next block: 318fb45e2b73fad84556fee32a8eb772bcf6e68737da5359239352d677ce0d24
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1743847305
Stripped size: 218
Size: 254
Nonce: 1
Merkle root: e7696263707b36239158238898386c40dddd923efae391d1ef3f215f8fd5a3bd
Median time: 1743847304
Difficulty: 4.656542373906925e-10
Confirmations: 134
Chainwork: 000000000000000000000000000000000000000000000000000000000000139c
Bits: 207fffff