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RFC‑VER‑0023: Signature Verification Service

Title: Validator Service for Multi‑Contributor Signature Authentication
Status: Draft
Author: Nawder Loswin + Copilot
Date: 2025‑11‑12
Version: 0.1

1. Purpose#

Provide a service that validates co‑signatures on remix scrolls against contributor registries. This ensures that shared authorship is authentic, reproducible, and preserved in the archival lineage.

2. Workflow Steps#

  1. Signature Extraction

    • Parse signatures from remix scroll metadata (remix_scroll.signatures).
    • Collect contributor IDs and signature payloads.

  2. Registry Lookup

    • Query contributor registry for public keys or symbolic signature references.
    • Verify contributor identity and active status.

  3. Signature Validation

    • Cryptographic check (PGP/ECDSA).
    • Symbolic check (glyph‑based validator signatures).
    • Timestamp validation (must match scroll export window).

  4. Verification Report

    • Generate validator report with pass/fail per contributor.
    • Aggregate into scroll dignity layer: “authorship confirmed” badge.

3. Schema Extension#

File: registry/signatures/verification_schema.yml

4. API Endpoints#

  • POST /verify/signatures → Submit scroll for signature verification.
  • GET /verify/report/{scroll_id} → Retrieve verification report.
  • GET /verify/contributor/{id} → Check contributor signature status.

5. Python‑style Stub#

File: api/signature_verification.py

6. Dashboard Integration#

  • Verification Panel: Contributors can view signature validation results.
  • Badge Display: Scrolls marked with “authentic authorship” or “partial authorship.”
  • Contributor Registry Link: Click contributor ID to view registry entry.
  • Lineage Graph Overlay: Nodes annotated with verification status.

7. Validator Hooks#

  • Schema compliance: Reports must match verification_schema.yml.
  • Checksum: Each report includes checksum for reproducibility.
  • Lineage integrity: Verified co‑signatures preserved in ancestry index.
  • Dignity separation: Authorship badges displayed distinctly from narratives.

8. Concept Sketch (textual)#

Verification Report: scroll-010
 └─ Contributors:
      - user42 (PGP) → valid
      - user17 (ECDSA) → valid
 └─ Overall Status: authentic
 └─ Badge: "Shared Authorship Confirmed"

This Signature Verification Service ensures co‑signatures are authentic, validated against contributor registries, and preserved as validator‑grade lineage.

Updated

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