open-ledger

Append-only. Hash-chained. Anyone can re-verify.

Head hash

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Events

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Head seq

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Last append (UTC)

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Verify chain in your browser

Downloads export.ndjson and recomputes every link with WebCrypto SHA-256: hash = sha256(prevHash + "\n" + canonicalJSON(event)), genesis = 64 zeros. Nothing is trusted from the server except the raw rows.

Fills by day

Bar height is traded notional (qty × price); label is the number of fills.

By symbol

Symbol Fills Buy qty Sell qty Notional

Events

Seq Time (UTC) Type Symbol Side Qty Price Order Hash

Raw API