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: 267
Hash: 2dd1cbc9233b285b786e748785e6432d9a2f87d8e0ffc33b9ebb0ed3424baeeb
Previous block: 139835ad359c82f9ae78d73597e04af893023e86785afaafba0b8c1b253ff914
Next block: 11f8e4d6bf82775763d3def40627477dcfb5eabb7d5600ad6739c446cb3388b0
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597912
Stripped size: 218
Size: 218
Nonce: 0
Merkle root: fe21fe5de03302604f4bd21645d022211da96120f7b24615ecc165e9785d507f
Median time: 1701597911
Difficulty: 4.656542373906925e-10
Confirmations: 1977
Chainwork: 0000000000000000000000000000000000000000000000000000000000000218
Bits: 207fffff