The CTDA (Connecticut Digital Archive) is a service of the University of Connecticut Libraries that preserves, manages, and provides access to digital collections from cultural institutions in Connecticut. It offers services like secure digital storage, metadata consultation, indexing in discovery tools like the Digital Public Library of America, and presentation of collections. Currently over 185,000 assets from 19 institutions are managed through the CTDA, which aims to be a central hub for preserving and sharing Connecticut's digital cultural heritage.

1. CTDA:
Preservation & Access Services
for Connecticut’s Digital History
Greg Colati
March 13, 2015

2. What is the CTDA?
• A service of the University of
Connecticut Libraries that
preserves, manages, and
makes available permanently
valuable cultural data and
other records produced and
collected by non-profit
educational, cultural, and
memory institutions based in
Connecticut
• The service hub in
Connecticut for the Digital
Public Library of America
SNET, 1946, UConn

3. Use Only What You Need:
• Preservation Services
• Access Services
• Metadata Services
• Management Tools
• Indexing and Discovery
Services
• Reformatting Services

4. Preservation
Services*
• Secure, redundant storage up to
500GB without charge
• Preservation activities
• Migration (for supported file types)
• Verification
• Authenticity guarantees
*Note: Some services are fee-based

5. Access Services
• Presentation Channels
• Viewers for supported file types
• Web search engine indexing
• OAI-PMH harvesting
• Indexing in the Digital Public
Library of America, iConn
• Inclusion in Connecticut
History Illustrated (for content
you specify)
• Open APIs, embed codes; for
indexing, content extraction,
viewer re-use
• Custom channels scoped to
organizational content
*Note: Some services are fee-based

6. • Basic system training
• How-to documentation from the
CTDA website
• Metadata consultation
• Data migration and conversion
for ingest
• Custom forms and tools
*Note: Some services are fee-based
Metadata and
Management
Services*

7. Indexing Services
• Harvesting by DPLA
• Harvesting by iConn
• Open OAI supplier for indexing
• Search engine optimization for
discovery by Google, Bing, etc.

8. Reformatting
Services
• Reformatting services are
charged on a cost-recovery basis
• Digital capture of flat material:
paper, photos, graphics,
reflective and transparent, up to
12” X 18” (and larger for some
document types)
• Bound-volume digital capture
• Basic audio conversion of limited
formats
• We do not currently offer moving
image conversion services

9. Find Out More
ctdigitalarchive.org
• General information
• Service Catalog
• How-to documents
• News and information about
CTDA activities
• Links to production channels
• More!
SNET, 1947

10. CTDA Collections
• Persistent resolver for handles
for general participants
• All the content, all the time, no
matter what the subject
• Primary harvest site
http://collections.ctdigitalarchive.org

11. Manage Channels
• Separate ingest server provides
higher throughput and without
impact on presentation channels
• http://manage.ctdigitalarchive.org
• http://manage.archives.lib.uconn.edu

12. One System, Many Faces
UConn Archives CHI
CTDA Repository Service
Presentation Channel Service
manage.ctdigitalarchive
CTDA Collections
manage.archives
CTDA Harvest Service (Spring 2015)
Repox
Trinity College
CT State Library
Management/Presentation Channel Service
Research@UConn
External Management/Presentation
Systems
Management Channel Service
Local Collections
Management System
External tools and uses

13. Behind the Scenes
UConn Archives-stage Trinity College-stage
CTDA Repository Staging Service
CT State Library-stageCTDA Collections-stage
Management/Presentation Channel Staging Service
Staging Fedora instance

14. Farther Behind the Scenes
UConn Archives-dev
CTDA Repository Staging Service
Development Channel
Staging Fedora instance

15. CHO-CHI/CTDA
Migration
16 participating institutions

16. 11 institutions migrated.
5 still to go:
• Connecticut Historical Society
• Connecticut State Library
• Mystic Seaport
• Hartford History Center
• New Haven Museum
CHO Migration

17. CTDA Participants
• Avon Free Public Library
• Barnum Museum
• Bibliomation
• Bridgeport History Center
• Connecticut Historical
Society
• Connecticut State Data
Center
• Connecticut State Library
• Eastern Connecticut State
University
• Fairfield Museum and
Historical Society
• Florence Griswold Museum
• Groton Public Library
• Hartford History Center at
the Hartford Public Library
• Ivoryton Library Association
• Lyman Allyn Art Museum
• Mattatuck Museum
• Mystic Arts Center
• Mystic Seaport
• New Britain Museum of
American Art
• New Haven Museum
• Stonington Historical Society
• Slater Memorial Museum
• Trinity College Library
• UConn, Archives and Special
Collections
• Wadsworth Atheneum
• Western Connecticut State
University

18. Repository Content
• 185,000+ assets being managed
• 19 institutions
• 11,000+ OAI records for harvest
Florence Griswold Museum
Connecticut Historical Society
Trinity College
Fairfield Museum
Connecticut State Library
Groton Public Library

19. Grants and Projects
• Connecticut Collections
(submitted) with CLHO
• Remembering WWI (submitted)
with CSL
• eRegs (active) with CSL and
UConn Library
• Omeka/Fedora Connector (in
process) with DMD/Digital
Humanities
Jacob Gworek, Connecticut State Library

20. Visit Today!
• ctdigitalarchive.org
• archives.lib.uconn.edu
• collections.ctdigitalarchive.org
• http://digitalcollections.ctstatelibrary.org/
• http://ctcollections.trincoll.edu
• http://connecticuthistoryillustrated.org