[media-types] [IANA #1452511] application/vnd.vnd.sv r.receipt+json registration request

Hi Murray,

Sending a reminder for this request from May 18th.

thanks,
Amanda

On Mon May 18 23:52:15 2026, sabrina.tanamal wrote:
> Hi Murray,
> 
> Would you be able to review this new request by June 1st?
> 
> Thanks,
> Sabrina
> 
> =====
> 
> Name: Jason Leonard Volk
> 
> Email: [email protected]
> 
> Media type name: application
> 
> Media subtype name: vnd.vnd.svr.receipt+json
> 
> Required parameters: N/A
> 
> Optional parameters: version: SVR specification version (default
> "1.0")
> 
> Encoding considerations: binary
> 
> Conforms to RFC 8259 (The JavaScript Object Notation Data
> Interchange Format).
> 
> Security considerations: The media type contains a JSON object with an
> Ed25519 digital
> signature. The signature covers the canonical serialization of
> the receipt content (excluding timing and presentation fields).
> Consumers MUST verify the signature against a known public key
> before trusting the receipt content. The receipt does not
> contain executable code. JSON parsing SHOULD use a strict
> parser that does not evaluate expressions.
> 
> Interoperability considerations: The Signed Verification Receipt (SVR)
> format is defined by
> the SVR Specification v1.0, available at:
> https://github.com/Jasonleonardvolk/sigma/blob/main/satya/spec/SVR_SPEC_v1.txt
> 
> Published specification: SVR Specification v1.0
> https://github.com/Jasonleonardvolk/sigma/blob/main/satya/spec/SVR_SPEC_v1.txt
> 
> Applications which use this media: AI verification engines, legal
> technology platforms, compliance
> audit systems, financial disclosure analysis tools, healthcare
> documentation systems, defense source-chain verification,
> scientific integrity checking, autonomous systems safety
> verification.
> 
> 
> Fragment identifier considerations: NONE
> 
> Restrictions on usage: NONE
> 
> Provisional registration? (standards tree only): No
> 
> Additional information:
> 
> 1. Deprecated alias names for this type:
> application/vnd.satya.receipt+json
> 2. Magic number(s): NA
> 3. File extension(s): .svr.json
> 4. Macintosh file type code: NA
> 5. Object Identifiers: NA
> 
> General Comments: The Signed Verification Receipt (SVR) is an open
> standard for cryptographically signed AI verification attestations.
> Specification, JSON Schema, and open-source verifier libraries
> (Python, JavaScript, Go) are published at
> https://github.com/Jasonleonardvolk/svr-verify
> 
> Person to contact for further information:
> 
> 1. Name: Jason Volk
> 2. Email: [email protected]
> 
> Intended usage: COMMON
> 
> 
> Author/Change controller: Invariant Research

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