Features
How LociArc turns a link into knowledge you can reuse
This page describes each feature together with technical parameters taken from the running system.
Capture
Save where you are reading, without switching apps.
Specifications
- System share sheet on iOS and Android
- Manifest V3 browser extension for Chrome, Edge, Brave
- Telegram bot: send a link to save it
- Source detection: articles, YouTube, X, images
- iOS · Share sheet
- Android · Share
- Chrome · Edge · Brave
- Telegram bot
Content processing
Content is extracted, summarised and classified in the background. The app shows the active stage.
Specifications
- Stages: scraping, summarizing, embedding
- 13 fixed topics, plus the reason for saving
- Reading time estimate and cover image from og:image
- Retry any failed item; unused AI units are refunded
capture
Capture
Share from any app, save from the browser extension or send the link to the Telegram bot.
scraping
Extract
Fetch the page and pull out the main text, title and cover image. Articles, YouTube, X and images are recognised.
summarizing
Summarise and classify
Write a short summary, assign one of 13 topics, infer why it was saved and estimate reading time.
embedding
Index
Convert the content into a 1,536-dimension vector stored in PostgreSQL with an HNSW index.
succeeded
Ready
The item appears in your library, searchable by meaning and available as a source for questions.
iEach save uses 2 AI units. If processing stops part-way, unused units are refunded.
Semantic search
Each item is represented by a vector. Your query is matched by cosine distance.
Specifications
- 1,536-dimension vectors
- PostgreSQL with pgvector and an HNSW index
- Per-user filtering inside the index scan
- Combines with read-state and collection filters
Cited Q&A
Answers are composed only from the relevant items in your library.
Specifications
- Retrieves the 8 nearest items
- Cosine similarity threshold of 0.4
- Numbered citations link to the source item
- Insufficient data: a clear reply and a refund
- 01 · embed(q)Vectorise the question
- 02 · top_k = 8Retrieve the 8 nearest items
- 03 · cos > 0.4Filter by similarity threshold
- 04 · answer + [n]Compose with citations
Illustrative example
- 10.82
- 20.74
- 30.61
- 40.38
- 50.33
- 60.27
- 70.22
- 80.18
Your saved articles agree on one point: getting 7 to 9 hours of sleep has a clearer effect on focus than working longer hours12. Two other pieces suggest a fixed wake-up time and limiting screen light in the hour before bed3.
Sources
- 1Does sleeping less let you get more done?0.82 similarity
- 2Evening habits of deep workers0.74 similarity
- 3Circadian rhythm and blue light0.61 similarity
Knowledge Planet
An overview chart of your library by topic, updated as you save and read.
Specifications
- Shelf height: items in the topic
- Brightness: recency
- Satellites: items saved this week
- Tap a shelf to open the collection
Daily brief
A short digest each day so saved items do not sink out of sight.
Specifications
- Scheduled in your time zone, in 15-minute steps
- Leads with a topic cluster when 2 or more related items are unread
- Delivered via Telegram, falling back to email
- The digest paragraph uses 1 AI unit; the item list is always sent
Memory Box and time capsule
Two resurfacing mechanisms that bring older knowledge back at the right time.
Specifications
- Freeze a note on an item, reopen it on the set date
- Time capsule: items saved exactly one year ago
- Delivered in your time zone
Δt = 365 d
Sharing and data
You decide which items are public, and you can take your data with you at any time.
Specifications
- Share links use a random 16-character slug, 96 bits
- Revoke a share link at any time
- Export to JSON or Markdown
- Delete your account inside the app
GET /share/k3Q9xT0bWm2LpZ7e
randomBytes(12) · base64url · 16 × 6 = 96 bit
Coming soon
Get notified when LociArc arrives on the App Store and Google Play
One email on release day. No marketing, and your address is never shared.
