The ontology and schema files are now available on the official SPDX website:
OWL ontology https://spdx.org/rdf/3.1/spdx-model.ttl JSON-LD context file https://spdx.org/rdf/3.1/spdx-context.jsonld JSON Schema https://spdx.org/schema/3.1/spdx-json-schema.json and https://spdx.org/rdf/3.1/schema.json Gary From: [email protected] <[email protected]> On Behalf Of Arthit Suriyawongkul via lists.spdx.org Sent: Sunday, January 25, 2026 8:10 AM To: Arthit Suriyawongkul <[email protected]> Cc: [email protected] Subject: Re: [spdx-tech] [Announcement] SPDX 3.1 Release Candidate 1 (3.1-RC1) Now Available Note that the official URLs for the ontology and the schema at https://spdx.org are not available yet for SPDX 3.1-RC1. In the meantime, for testing and validation purposes, these resources can be used instead: OWL ontology https://spdx.github.io/spdx-spec/3.1-RC1/rdf/spdx-model.ttl JSON-LD context file https://spdx.github.io/spdx-spec/3.1-RC1/rdf/spdx-context.jsonld JSON Schema https://spdx.github.io/spdx-spec/3.1-RC1/rdf/schema.json regards, Art The job of a citizen is to keep his mouth open. -- Günter Grass On Sat 24 Jan 2026, 22:42 Arthit Suriyawongkul via lists.spdx.org <http://lists.spdx.org> , <[email protected] <mailto:[email protected]> > wrote: Hi everyone, A first release candidate for SPDX specification version 3.1 is now available. The SPDX 3.1 model expands beyond software to include safety, service, hardware, supply chain, and operations. Please note that this release candidate is intended for testing and validation. Some features may be modified or reverted before the final stable release. SPDX specification v3.1-RC1 https://spdx.github.io/spdx-spec/v3.1-RC1/ Model changelog & deprecation info https://github.com/spdx/spdx-3-model/blob/develop/CHANGELOG.md More resources will be shared in the coming weeks. Detailed changes, including the list of contributors, can be found in the respective release notes here: SPDX spec repository: https://github.com/spdx/spdx-spec/releases/tag/v3.1-RC1 SPDX 3 model repository: https://github.com/spdx/spdx-3-model/releases/tag/3.1-rc1 We would like to thank all the contributors who made this 3.1-RC1 possible. If you encounter any issues or have questions, please submit an issue to the relevant GitHub repository. FOSDEM 2026: Some members of the SPDX community will be in Brussels for FOSDEM on January 31 and February 1. Feel free to find us at or around the SBOMS and Supply Chains devroom to discuss SPDX 3.1. https://fosdem.org/2026/schedule/track/sboms-and-supply-chains/ Best regards, Arthit Suriyawongkul -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#6102): https://lists.spdx.org/g/Spdx-tech/message/6102 Mute This Topic: https://lists.spdx.org/mt/117443273/21656 Group Owner: [email protected] Unsubscribe: https://lists.spdx.org/g/Spdx-tech/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
