Sources — Proof Layer
Institutional and technical reference points.
Standards and Definitions
EU Regulation (EU) No 910/2014 — Electronic Identification and Trust Services (eIDAS)
IETF RFC 3161 — Time-Stamp Protocol (TSP)
Cryptographic and Verification Frameworks
NIST SP 800-175B — Guideline for Using Cryptographic Standards (PDF)
NIST SP 800-57 Part 1 — Key Management (PDF)
Data Integrity and Provenance
W3C — PROV Overview (Data Provenance Model)
W3C — Verifiable Credentials Data Model