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: 383
Hash: 503f9102e4ddfcbebb74da8c006d55163a5b4cb6f32aa8438effaf5f52097c9d
Previous block: 05f3e3f1904fb3381c1f2cf0e9786a859a8e6a0e2a28a2ece35d6da8b1e69284
Next block: 32b7555e9407a1502953c61824dbfd05b1f582444121c9cfd4e7816b057ea3bd
Weight: 872
Versionhex: 30000003
Version: 805306371
Transactions:
Time: 1701597931
Stripped size: 218
Size: 218
Nonce: 1
Merkle root: 6a1405e12a14f2c31ac80c2914b03568c77358a58f59444667090e3e77800326
Median time: 1701597930
Difficulty: 4.656542373906925e-10
Confirmations: 1861
Chainwork: 0000000000000000000000000000000000000000000000000000000000000300
Bits: 207fffff