A private ledger for fine timepieces
HALLMARK
Every original deserves proof.
01 — Provenance
A masterpiece is
more than metal.
Forty‑one jewels. A hand‑finished bridge. Tool marks laid down by a single watchmaker on a single bench. No two movements are ever truly identical — and that difference is the truth we keep.
Hallmark reads the watch itself, not its paperwork. Paper can be forged. Metal remembers.
02 — The Examination
Three acts.
One signature.
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I
Inspection
A 47‑point optical survey of case, dial and movement, captured at micron scale.
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II
Fingerprint
The movement’s micro‑signature — as individual as handwriting — is distilled into a 256‑bit digest.
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III
Seal
One transaction, written once, witnessed by the ledger. Permanent.
03 — The Ledger
Paper burns.
Ledgers don’t.
Certificates are lost in house fires and auction backrooms. Databases are edited by whoever holds the keys. A distributed ledger does neither — your watch’s fingerprint lives across ten thousand nodes, beyond revision, beyond doubt.
04 — The Seal
Seal yours.
Enter the serial engraved between the lugs, or inside the case back. The examination takes moments. The proof lasts forever.
05 — The Certificate