Don't trust it
Verify it.
The whole record is one file. Your browser can recompute every hash right now and check the chain heads written on Solana.
Latest entries
Each entry carries the hash of the one before it. Change one character anywhere and every hash after it breaks.
Verify offline
curl -sO https://this-site/data/chain.jsonl
node verify.mjs chain.jsonl # or any 10 lines of code in any language
# For each line: sha256(prev + "\n" + body) must equal h, and prev must equal the previous h.
# Anchor entries name a Solana transaction whose memo reads cassandra:1:<n>:<hash>