ISO/IEC INTERNATIONAL STANDARD 23681 First edition 2019-05 Information technology - Self- contained Information Retention Format (SIRF) Specification Reference number ISO/IEC 23681:2019(E) IEC [s IS0/IEC2019 IS0/IEC 23681:2019(E) COPYRIGHTPROTECTEDDOCUMENT @IS0/IEC2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 40i: Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2019 - All rights reserved IS0/IEC 23681:2019(E) Contents Page Foreword .iv Introduction V 1 Scope. 1 2 Normative references .1 3 Terms and definitions 1 4 Business Case .2 5 Specification Overview. .3 5.1 Container Components 3 5.2 SIRF Catalog. 4 5.3 Metadata Units 5 6 Container Information Metadata 5 6.1 Specification Category 5 6.2 Container ID Category 6 6.3 State Category .6 6.4 Provenance Category. 8 6.5 Audit Log Category 9 7 Object Information Metadata .9 7.1 Object IDs Category. 9 7.2 Dates Category 11 7.3 Related Objects Category 12 7.4 Packaging Format Category 12 7.5 Fixity Category 13 7.6 Retention Category 13 7.7 Audit Log Category 14 7.8 Extension Category 15 8 Serialization for SNIA CDMI .15 8.1 Catalog Serialization: Object IDs Category 17 8.2 Catalog Serialization: Fixity Category 17 9 Serialization for SNIA LTFS .17 9.1 Catalog Serialization: Object IDs Category. 18 9.2 Catalog Serialization: Fixity Category 19 10 Serialization for OpenStack Swift .19 11 Use Case Example. .22 Annex A (informative) XML schema for the SIRF catalog 25 Annex B (informative) Sample XML catalog .29 Annex C (informative) Sample JSON catalog. .33 Bibliography .37 @ IS0/IEC 2019 - All rights reserved iii

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