To date no authentic original document has been made available.

BBC: Kashmir: The origins of the dispute

Only the original speech is authentic.

UNESCO: celebrates the 50th anniversary of the Pan-African Women's Organization | United Nations Educational, Scientific and Cultural Organization

All the conversation, content and context from a meeting or brainstorming session, even scribbles on a notepad or Post-it note, could be captured, preserving not just the idea, but the authentic, original form of the idea.

FORBES: Don't Erase The Master Plan: Digitally Capturing Big Ideas

Their final task will be to reclaim as many of the fallen original rocks as possible, and re-point them with authentic 2, 700 BC mortar.

BBC: Newport firm stabilises Egypt's earthquake-hit pyramid

Doctored reviews are not authentic, and they can even be insulting to the original author.

FORBES: Zapos, Zappoz, or Zappos: Why Typos Are Good For Your Brand

Exclusively available on HTC smartphones, Beats Audio provides authentic, studio-quality sound that delivers the spirit of the original recording.

ENGADGET: Windows Phone 8X by HTC: 4.3-inch 720p display, LTE, dual-core S4, available this November

The innovative architecture of SoundSphere speaker technology means it provides music-lovers with a surprisingly high-quality, authentic listening experience, filling your space with the true sound of the artist's original.

ENGADGET: Philips breathes new life into home stereos with SoundSphere

Produced on Broadway by Lincoln Center Theater, "The Nance" is a two-layered play in which authentic-sounding burlesque routines concocted by Mr. Beane and Glen Kelly, who wrote the original music, alternate with backstage scenes that show us in agonizing detail what Chauncey's emotionally starved private life is like.

WSJ: The Tears of a Clown | The Nance | Motown: The Musical | Theater Reviews by Terry Teachout