Don't trust us

Verify the entire record yourself.

Longview's history is an append-only chain of Ed25519-signed events. The button below replays all 20 events from genesis in your browser — re-deriving every hash and checking every signature against the public key. No server involved.

In-browser verification
Press “Run verification” to replay the chain from genesis.

The public key

ed25519 · 55140ddd4034c2765e6169600931eb1dec0641ce2109fc1e7f02abd8e054e8a7

Pinned in the genesis event. If this key ever changes, a signed KEY_ROTATE event must explain why — silently swapping it would break verification of everything before it.

Verify offline

Fetch the raw chain and run the reference verifier — or write your own from the spec below.

curl -s https://{this-domain}/chain.json -o chain.json # reference verifier (Python): github-less, ~40 lines, included in /chain.json["verify_spec"]

The verification spec

For event i with previous chain hash prev (genesis uses 64 zeros):

chain_hash = sha256(prev + "|" + payload_sha256 + "|" + type + "|" + ts_utc + "|" + seq) assert ed25519_verify(public_key, sig, chain_hash) assert sha256(canonical_json(payload)) == payload_sha256 # canonical = sorted keys, no spaces

What this proves — and what it doesn't

It proves the record is append-only: nothing published has ever been edited, backdated, reordered, or deleted, and every entry price can be checked against public market data from the sealed timestamps.

It does not prove our research is right. It can't. That's what the forward scoreboard is for — and it grades us either way.