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hypothesis
h
Python2013–2025
hypothesis / h

h

Annotate with anyone, anywhere.

8Distinct people
10Mentions
0Explicit recommenders
3.2KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Annotate with anyone, anywhere.

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

Mentioned in the same Hacker News threads. That is not proof they are substitutes.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:03:16 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year10 dated mentions

Observed mentions: 2013-04-16 14:56:32 UTC to 2025-05-20 10:52:15 UTC.

0123452013-01-01 00:00:00 UTC to 2014-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments20132014-01-01 00:00:00 UTC to 2015-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments20192020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 5 mentions; 0 submissions, 5 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 2 mentions; 0 submissions, 2 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2025-01-01 00:00:00 UTC to 2026-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2025

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20132013-01-01 00:00:00 UTC2014-01-01 00:00:00 UTC101
20142014-01-01 00:00:00 UTC2015-01-01 00:00:00 UTC000
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC000
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC000
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC000
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC000
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC000
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC505
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC101
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC202
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC000
20252025-01-01 00:00:00 UTC2026-01-01 00:00:00 UTC101

What Hacker News says

10 sources
> Does Hypothes.is have a self-hosting option? https://web.hypothes.is/sales/ The code for both the client and server are open source (https://github.com/hypothesis/h) so this is possible. The server is designed to support the needs of large scale deployments, so this does come with some complexity compared to a system you would design for smaller scale usage. The text on https://web.hypothes.is/ mostly targets schools and universities, because Hypothesis pays for itself by selling integrations with online learning platforms (Canvas, D2L, Blackboard etc.) and associated support.
In Ann, the Small Annotation Server
> Though nowhere is it shown that clinicians are even competent enough to add RDFa linked data annotations to their TXT unstructured notes with an encabulator. You can add Linked Data (JSON-LD RDF) annotations with threaded markdown to document Trump vectors with W3C Web Annotations. This [SNMOED-CT, ICD10-] competition could be scored with Web Annotations as the schema for the output. W3C Web Annotations open source implementations: - hypothesis/h: https://github.com/hypothesis/h - https://github.com/linkeddata/dokieli - https://www.w3.org/annotation/wiki/Implementations
In Snomed CT Entity Linking Challenge
Hypothesis/h is a (Pyramid) web app with a JS widget that can be added to the HTML of a page manually or by the Hypothesis browser extension, which enables you to also comment on PDFs, WAVs, GIFs: https://github.com/hypothesis/h From the W3C Web Annotation spec that Hypothesis implements https://www.w3.org/TR/annotation-model/ : > Selectors: Fragment Selector, CSS Selector, XPath Selector, Text Quote Selector, Text Position Selector, Data Position Selector, SVG Selector, Range Selector, Refinement of Selection > States: Time State, Request Header State, Refinement of State
In Ask HN: Is there a tool / product that enables commenting on HTML elements?
My PhD work would not have been possible without Hypothes.is. My group uses it for a variety of information extraction and curation tasks, and I'm fairly certain that one of my colleagues has the highest number of human made annotations in the system (though in private groups). Hypothes.is is great for prototyping curation workflows to explore what is possible before spending time implementing yet another tool. It also hits the sweet spot for having a UI that is just accessible enough for non-technical users that can display annotations made by bots. We have been using hypothes.is as the backend to crawl [0] research resource identifiers from the scientific literature for 4 years, and it has been solid the whole time. I see some questions/concerns about the w3c compliance of the API. I'm pretty sure that there is just a switch the needs t
Read the rest
o be flipped, and that it has been implemented. Yep, it has [1]. Also as others have suggested it is fairly straight forward to set up your own annotation store, though it is not simple to replicate the Hypothes.is setup. I hope that the pivot to education continues to go well so that it can fund the infrastructure, because Hypothes.is provides a very valuable (if hard to capture the value of) service. 0. https://github.com/SciCrunch/scibot 1. https://github.com/hypothesis/h/blob/master/h/presenters/ann...
In Hypothes.is: An Open Annotations Platform
I tried them a while ago. Really liked it but put it aside till they implement https://www.w3.org/annotation/ as promised. Just checked https://h.readthedocs.io/en/latest/api/ and the v2 API in development has nothing to do with the W3C standard. UPD: there is not a single issue open on the main repo wrt W3C standard implementation: https://github.com/hypothesis/h/issues?q=is%3Aissue+is%3Aope.... The post I took as a promise: https://web.hypothes.is/blog/annotation-is-now-a-web-standar...
In Hypothes.is: An Open Annotations Platform
You guys should check out https://test.hypothes.is. Non profit open source project that does this for the entire web. Here's the github: https://github.com/hypothesis/h Randall, the lead developer, is one of the authors of the open annotation spec: http://www.openannotation.org Dan, the founder, recently put together the I Annotate conference, which brought together all the individuals and groups who have been applying annotation to their problem domains for the past few years. I designed the interface. Annotation should be open source, standardized, and portable, not locked into little silos. Also, I'm not pg, but if I was, I would find this a bit... odd.
In Show HN: Annotate PG, our YC application demo

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