Press kit
Orphograph — press kit.
The deeper resource that /press.html points to. Three boilerplate descriptions in different lengths, a one-line summary, third-party references that can be independently verified, a downloadable asset set, a live sample receipt, and three attributable office statements suited to different story angles. Everything below is intended for direct quotation or paraphrase without prior correspondence.
1 · One sentence
Orphograph is an online notary that issues Bitcoin-anchored receipts proving a file existed at a specific moment — without the file itself ever leaving the customer's device.
2 · Boilerplate descriptions
Three drop-in descriptions of varying length. Reporters may paste any of the three verbatim into a story.
Orphograph is a Bitcoin-anchored notary. It issues receipts proving that a specific file existed at a specific moment in time, without the file itself ever leaving the customer's device. The cryptographic fingerprint is computed locally, anchored to the Bitcoin blockchain via OpenTimestamps, and verifiable forever by anyone.
Orphograph is a Bitcoin-anchored notary. It issues receipts proving that a specific file existed at a specific moment in time, without the file itself ever leaving the customer's device. The SHA-256 fingerprint of the file is computed locally in the browser; only the 32-byte fingerprint is transmitted to the office, which forwards it to five independent OpenTimestamps calendars for aggregation and Bitcoin commitment. A receipt becomes Bitcoin-attested in roughly one hour and is verifiable by anyone, forever, using an offline MIT-licensed tool. The protocol is open-source. The customer's file is never seen, stored, or transmitted.
Orphograph is a Bitcoin-anchored notary. It issues receipts proving that a specific file existed at a specific moment in time, without the file itself ever leaving the customer's device. The instrument is narrowly technical: a cryptographic attestation of file existence by a moment in time. It is not a legal opinion, not a content-authenticity claim, and not a verdict on how a file was made.
The mechanism is straightforward. The SHA-256 fingerprint of a file is computed locally in the customer's browser. Only the 32-byte fingerprint is transmitted to the office. The office forwards the fingerprint to five independent OpenTimestamps calendars, which aggregate millions of fingerprints into a single Merkle root and commit that root to the Bitcoin blockchain. Within roughly one hour, the receipt is upgraded with a Bitcoin block-height attestation. From that point forward, the receipt is verifiable, forever, by anyone, against the public Bitcoin chain — using an MIT-licensed offline verifier that does not need to contact the office.
A folder anchoring construction shipped 2026-05-20 extends the same primitive to working sets: a single receipt covers an arbitrary directory by a sorted-leaves Merkle root, with selective disclosure of any one file through a logarithmic inclusion proof. The protocol is open-source under MIT. The customer's file is never seen, stored, or transmitted across the network. The office is replaceable; the Bitcoin chain is the source of truth.
3 · Verifiable third-party references
Every claim above can be independently checked against a primary source that is not Orphograph. The three pillars are below.
| The protocol source code | Public on GitHub at github.com/Orphograph/Orphograph. MIT licensed. No NDA. No clickthrough. The verifier kit at /dist/orphograph-verify.zip is a byte-identical subset of that repository. |
|---|---|
| The timestamping protocol | OpenTimestamps — an open standard for Bitcoin-anchored timestamps maintained outside Orphograph. Specification and reference implementations at opentimestamps.org. Orphograph is a client of this protocol, not its author. |
| The final attestation layer | The Bitcoin blockchain. Every receipt resolves to a block height and a Merkle path that can be checked against any public Bitcoin node. The office is replaceable; the chain is not. |
4 · Brand assets
Direct downloads. No registration required.
Brand colours
Cream #f7f1e3 · ink #14110d · confirm-green #3a6a4c. Typography is a classical book-weight serif for headings; any equivalent serif at regular or medium weight is an acceptable substitute. No third-party brand-font reference is used.
Download the press kit
A single archive containing the institutional seal, the seal display variant, the wordmark lockup, the favicon set, the Open Graph social card, and a printable brand guide. Approximately three megabytes.
5 · A live sample receipt
A real, publicly addressable receipt issued by the office. Reporters can open it, save the page, and re-verify it months from now against any Bitcoin node, with the same outcome.
- Receipt page: /r/7KViBg91CR8D4mTr — five-of-five OpenTimestamps calendars, fully Bitcoin-attested.
- Machine-readable sample metadata: /sample/index.json — the SHA-512 of the fingerprint payload, the receipt identifier, and the per-calendar status.
- Offline verifier kit: /dist/orphograph-verify.zip — MIT-licensed, no network call to the office required.
6 · Quotable statements from the office
Three short paragraphs suitable for direct citation. The office is institutional; statements are attributable to "the office" and not to a named individual.
On why a Bitcoin-anchored notary matters in 2026
"The cost of generating a plausible image, document, or recording fell to near-zero this decade, but the cost of proving when a real file existed did not. Orphograph closes that asymmetry. A photograph anchored before a model could plausibly have produced it carries a piece of evidence that cannot be retroactively faked — not because the office vouches for it, but because the Bitcoin chain has already moved past that block."
— a statement from the office.On who the instrument is for
"The receipt is a narrow instrument with wide utility. Photographers and writers use it to establish creative priority. Journalists use it to time-stamp source material before publication. Lawyers and inspectors use it to fix the moment a document or site condition was first recorded. The common thread is a person whose later credibility depends on the file being demonstrably older than someone else's claim about it."
— a statement from the office.On how a Bitcoin anchor differs from a database timestamp
"A timestamp written into a private database is a promise. A timestamp committed to the Bitcoin chain is a mathematical fact: a fingerprint sits inside a Merkle tree, that tree's root sits inside a specific block, and that block sits inside a chain of work that would take more energy to rewrite than any party realistically possesses. Orphograph does not ask anyone to trust the office. The office is replaceable. The chain is the source of truth."
— a statement from the office.7 · Contact
General press correspondence: [email protected].
Security findings, vulnerability reports, and coordinated disclosure: [email protected]. The disclosure policy is at /security.html.
The office responds to press inquiries within a small number of business days. The shorter press summary is at /press.html; the doctrinal posture is recorded at /about-the-office.html; service availability is published at /status.html.
Disclaimer. The office is not a law firm, not a qualified electronic-trust-service provider, and not a financial advisor. The descriptions above are plain-English summaries of the protocol intended for press reference; they are not legal advice and do not establish an attorney–client relationship. The evidentiary weight of a receipt in any particular jurisdiction depends on the rules and statutes of that jurisdiction and on the facts of the matter. A reader with an actual dispute should consult counsel admitted in the relevant jurisdiction.