--- title: Hypothesis and the Center for Open Science Collaborate on Annotation description: Hypothesis and the Center for Open Science Collaborate on Annotation image: https://www.cos.io/hubfs/Cos_2020/Images/Screen_Shot_2018-02-08_at_9.32.11_AM.original.png --- - Our sites: - [OSF](https://osf.io) - [TOP Guidelines](https://www.cos.io/initiatives/top-guidelines) - [* *Bluesky](https://bsky.app/profile/cos.io)[* *Mastodon](https://fosstodon.org/@CenterforOpenScience)[* *Linkedin](https://www.linkedin.com/company/center-for-open-science/)[* *YouTube](https://www.youtube.com/@CenterforOpenScience) - [**  Shop](https://www.redbubble.com/people/OpenScience/shop) - [**  Donate](https://www.cos.io/support-cos) [![Center for Open Science](https://www.cos.io/hs-fs/hubfs/Logos/COS%202024/cos-full-tag-h.png?width=2000&height=293&name=cos-full-tag-h.png "Center for Open Science")](https://www.cos.io) ** ** # Hypothesis and the Center for Open Science Collaborate on Annotation Feb. 8, 2018 To enable peer feedback, collaboration and transparency in scientific research practices, Hypothesis and the Center for Open Science (COS) are announcing a new partnership to bring open annotation to [Open Science Framework (OSF) Preprints](https://osf.io/preprints/) and the 17 community preprint servers hosted on OSF. The partnership enables researchers to engage with each other, discuss research and share additional information as part of the regular research workflow.  Services currently hosted on the OSF Preprints platform include [AgriXiv](https://agrixiv.org/), [Arabixiv](https://arabixiv.org/), [BITSS](https://osf.io/preprints/bitss), [EarthArXiv](https://eartharxiv.org/), [EngrXiv](https://engrxiv.org/), [FOCUS Archive](https://osf.io/preprints/focusarchive), [FrenXiv](https://frenxiv.org/), [InaRxiv](https://osf.io/preprints/inarxiv), [LawArXiv](https://osf.io/preprints/lawarxiv), [LISSA](https://osf.io/preprints/lissa), [MarXiv](https://osf.io/preprints/marxiv/), [MindRxiv](https://mindrxiv.org/), [NutriXiv](https://osf.io/preprints/nutrixiv), [PaleorXiv](https://paleorxiv.org/), [PsyArXiv](https://psyarxiv.com/), [SocArXiv](https://osf.io/preprints/socarxiv), and [SportRxiv](https://osf.io/preprints/sportrxiv). 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