Provisional Standard Media Type Registry

Last Updated
Available Formats



Plain text

Registry included below

Provisional Standard Media Type Registry

Registration Procedure(s)
FCFS (Organization subject to IESG Approval)
This registry, unlike some other provisional IANA registries, is
only for temporary use. Entries in this registry are either
finalized and moved to the main media types registry or are
abandoned and deleted. Entries in this registry are suitable for
use for development and test purposes only.

Media Types: [IANA registry media-types]
Available Formats

Media Type Organization Contact
application/odm+json CDISC [Sam_Hume]
application/json-nd ECMA [Glen_Kleidon]
application/cert-chain+cbor IETF [draft-yasskin-http-origin-signed-responses]
application/ion IETF [Jonathan_Hohle]
application/pkix-keyinfo IETF [draft-hallambaker-mesh-udf]
application/rpki-checklist IETF [draft-ietf-sidrops-rpki-rsc-02]
application/signed-exchange IETF [draft-yasskin-http-origin-signed-responses]
application/webbundle IETF [draft-yasskin-wpack-bundled-exchanges]
image/jxl ISO/IEC JTC 1 [Touradj_Ebrahimi]
application/dash-patch+xml ISO/IEC JTC1/SC29 WG3 (MPEG Systems) [Thomas_Stockhammer]
application/express ISO/TC 184/SC 4 - Industrial Data [Kenneth_Swope]
model/step+xml ISO/TC 184/SC 4 - Industrial Data [Kenneth_Swope]
image/j2is ITU-T and ISO/IEC JTC 1 [ISO-IEC_JTC_1-SC_29-WG_1_Convenor]
application/spdx+json Linux Foundation [Rose_Judge]
application/akn+xml OASIS [Chet_Ensign]
text/nfo Seantek [Sean_Leonard]
image/dpx Society of Motion Picture and Television Engineers (SMPTE) [Director_of_Standards]
application/reports+json W3C [Douglas_Creager]
application/rif+xml W3C [Sandro_Hawke]
application/won IETF/W3C/other [Roy_T._Fielding]

Contact Information

ID Name Contact URI Last Updated
[Chet_Ensign] Chet Ensign mailto:chet.ensign& 2021-04-05
[Director_of_Standards] Director of Standards mailto:standards-support& 2021-06-25
[Douglas_Creager] Douglas Creager mailto:dcreager& 2018-06-26
[ISO-IEC_JTC_1-SC_29-WG_1_Convenor] ISO/IEC JTC 1/SC 29/WG 1 Convenor mailto:sc29-sec& 2020-05-12
[Jonathan_Hohle] Jonathan Hohle mailto:jonhohle& 2017-06-28
[Glen_Kleidon] Glen Kleidon mailto:glenk& 2020-07-22
[Rose_Judge] Rose Judge mailto:rjudge& 2021-10-19
[Roy_T._Fielding] Roy T. Fielding mailto:fielding& 2015-08-25
[Sam_Hume] Sam Hume mailto:shume& 2018-10-31
[Sandro_Hawke] Sandro Hawke mailto:sandro& 2021-01-11
[Sean_Leonard] Sean Leonard mailto:dev+ietf& 2015-10-21
[Thomas_Stockhammer] Thomas Stockhammer mailto:tsto& 2021-07-26
[Touradj_Ebrahimi] Touradj Ebrahimi mailto:touradj.ebrahimi& 2020-05-21
[Kenneth_Swope] Kenneth Swope mailto:kenneth.a.swope& 2021-06-17