C2SP Technical Specification

C2SP-SPEC-001: Edge Container Metadata Redaction

Defines stateless binary stream parsing for JPEG, PNG, WebP, and AVIF media containers. Mandates immediate zero-copy redaction of C2PA JUMBF manifests, EXIF tags, and XMP identity trees prior to network publication.

POST /api/v1/sanitize
Header: x-c2sp-sanitized: true
Behavior: Strips 0x4A554D42 (JUMBF) & 0xFFE1 (EXIF APP1)

C2SP-SPEC-002: Micro-Spatial PRNU Sensor Decorrelation

Neutralizes Photo-Response Non-Uniformity (PRNU) silicon noise signatures by applying a low-amplitude (+/- 1 LSB) Gaussian spatial decorrelation jitter across raw RGB matrices.

C2SP-SPEC-003: Sovereign Credential Encoding

Encodes opt-in privacy assertions using cryptographic JSON-LD metadata manifests that respect author anonymity.