Authored by you. Anchored by IPFN.

Bookend turns finished books into living archives — verifiable, permanent, and connected.

Create Your Bookend How it Works

One minute overview

A soft-focus, warmly lit photo of an open book with pages turning.

What Bookend Does

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Create

Turn a title into a living companion: notes, extras, events.

See an example

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Connect

Invite readers and publishers into a verified space.

View conversations

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Preserve

Every interaction is anchored for the long term.

Why permanence matters

Technical Precision & Rigor

The IPFN serves as a cryptographic anchor, providing an auditable trail for every interaction within the archive. This ensures the integrity and longevity of intellectual works, upholding the highest standards of academic veracity.

Provenance Chain Stability

99.9%

Data Immutability Index

99.7%

Archival Verification Rate

99.8%

IPFN, in plain language

A self-verifying serial number that links a book to a durable, web-native record.

check_circle_outlineWorks with ISBNs to identify the book; IPFN anchors the web record.
check_circle_outlineType an IPFN into any browser to resolve its registration.

Powered by IPFSRead the publishing protocol →

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hubIPFN Registry

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Trust the record

Verification

check IPFS record
check Timestamp
check Registration authority

Privacy & data

No ad tracking. No data selling. Our practices are GDPR-forward, ensuring your information is handled with respect and transparency.

IPFN Chain

Every Bookend is assigned a digital fingerprint, linking your physical book, its online archive, and every reader contribution through verified provenance.

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Book

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Bookend

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IPFN

Learn about our role as a registration authority →

From book to Bookend

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Link your ISBN (or continue without)

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Claim / assign IPFN

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Customize your hub (Guestbook · Forum · Extras)

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Print or share the QR for readers

IPFN resolves from any browser

For Authors & Publishers

Official hub per title
Reader community tools
Events & updates
Permanent QR code

Create a Bookend

For Readers

Leave a note in the guestbook
Join discussions
Follow authors
Collect what you've read

Explore the Stacks

Frequently Asked Questions

The story continues at the end of every book.

Create Your Bookend Explore Active Bookends