Internet Assigned Numbers Authority

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/cmw+cbor IETF [draft-ietf-rats-msg-wrap-04]
application/ion IETF [Jonathan_Hohle]
application/pkix-keyinfo IETF [draft-hallambaker-mesh-udf]
application/signed-exchange IETF [draft-yasskin-http-origin-signed-responses]
application/voucher+cose IETF [draft-ietf-anima-constrained-voucher-23]
application/webbundle IETF [draft-yasskin-wpack-bundled-exchanges]
application/1ob IMS Global Learning Consortium Inc. [Rob_Coyle]
image/j2is ITU-T and ISO/IEC JTC 1 [ISO-IEC_JTC_1-SC_29-WG_1_Convenor]
application/akn+xml OASIS [Chet_Ensign]
application/city+json Open Geospatial Consortium (OGC) [Hugo_Ledoux]
text/nfo Seantek [Sean_Leonard]
image/pdc Society of Motion Picture and Television Engineers (SMPTE) [Pierre-Anthony_Lemieux]
application/CESR Trust Over IP Foundation [Samuel_M._Smith]
application/netcdf Unidata [Ethan_Davis]
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
[Douglas_Creager] Douglas Creager mailto:dcreager& 2018-06-26
[Ethan_Davis] Ethan Davis mailto:edavis& 2021-12-16
[Glen_Kleidon] Glen Kleidon mailto:glenk& 2020-07-22
[Hugo_Ledoux] Hugo Ledoux mailto:h.ledoux& 2021-12-15
[ISO-IEC_JTC_1-SC_29-WG_1_Convenor] ISO/IEC JTC 1/SC 29/WG 1 Convenor mailto:sc29-sec& 2023-05-15
[Jonathan_Hohle] Jonathan Hohle mailto:jonhohle& 2017-06-28
[Pierre-Anthony_Lemieux] Pierre-Anthony Lemieux mailto:pal& 2023-08-08
[Rob_Coyle] Rob Coyle mailto:rcoyle& 2023-05-11
[Roy_T._Fielding] Roy T. Fielding mailto:fielding& 2015-08-25
[Sam_Hume] Sam Hume mailto:shume& 2018-10-31
[Samuel_M._Smith] Samuel M. Smith mailto:sam& 2024-02-15
[Sandro_Hawke] Sandro Hawke mailto:sandro& 2021-01-11
[Sean_Leonard] Sean Leonard mailto:dev+ietf& 2015-10-21