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GSPC Measurement Instrument

Anchored to

Provision text is sourced from the registries below. The displayed timestamp is the last successful fetch; a stale anchor is never silently re-stamped.

6
Total anchors
0
Checked <24h
0
Degraded
6
Stale / unchecked

Anchor registry

○

UK legislation.gov.uk

Stale / unchecked

UK primary and secondary legislation. Atom data feed of new items, for automated ingestion.

https://www.legislation.gov.uk/new/data.feed
Last passed
9/3/2026, 2:45:00 AM
506.8 hours agostale
○

EUR-Lex CELLAR (AI Act)

Stale / unchecked

EU legal corpus including the AI Act. CELLAR endpoint throttled in last sweep.

https://eur-lex.europa.eu/
Last passed
7/29/2026, 5:06:00 PM
1356.4 hours agostale
○

C2PA 2.4 specification

Stale / unchecked

Content Credentials specification for provenance and authenticity.

https://github.com/c2pa-org/specifications
Last passed
7/30/2026, 3:00:00 AM
1346.5 hours agostale
○

RFC 9964 (PQC for IETF)

Stale / unchecked

Post-quantum cryptography for IETF protocols. ML-DSA-65 signature scheme.

https://www.rfc-editor.org/rfc/rfc9964
Last passed
7/30/2026, 3:00:00 AM
1346.5 hours agostale
○

NIST IR 8547 (PQC transition)

Stale / unchecked

NIST IR 8547, INITIAL PUBLIC DRAFT — transition to post-quantum cryptography standards. A draft, not final guidance; cited as a draft and never as a settled requirement.

https://csrc.nist.gov/pubs/ir/8547/ipd
Last passed
9/3/2026, 2:45:00 AM
506.8 hours agostale
○

Crosswalk registry

Stale / unchecked

Local meta-watcher for cross-referencing provisions across jurisdictions.

/crosswalk
Last passed
7/30/2026, 6:00:00 AM
1343.5 hours agostale

Staleness policy

● Checked <24h

A successful check is recorded within 24 hours. This does not by itself prove current reachability or reliability.

◐ Degraded

Anchor passed between 24-72 hours ago. Data may be stale.

○ Stale / unchecked

No successful check is recorded in 72+ hours. This does not prove the source is unreachable; current freshness is unknown.

The threshold is conservative — a stale anchor is never silently re-stamped.

Why anchoring matters

The integrity of every measurement depends on the integrity of the source. Each audience cares about a different aspect of that integrity.

📈

For Investors

Anchors are part of the evidence perimeter. The table exposes the last successful check and current clock-derived freshness. A stale timestamp is a due-diligence finding, not a clean bill of health.

  • → 0 currently fresh within 24 hours
  • → 0 degraded · 6 stale / unchecked
  • → Source-specific terms shown below
🏛️

For Regulators

The statute entries point to official UK and EU sources. Standards point to their publishing bodies or repositories. The Crosswalk registry is a local operator source, not an external primary source. Each row must be judged on its own URI, timestamp, and stated reuse terms.

  • → UK: legislation.gov.uk (OGL v3.0)
  • → EU: EUR-Lex CELLAR (EU reuse)
  • → IETF & NIST: standard licences

Licence register (for legal review)

This table records the stated reuse terms for each listed source. Open licences and reuse notices do not mean the material is uncopyrighted, and the self-hosted Crosswalk registry has no external-source licence. Verify the applicable terms before reuse.

SourceLicenceJurisdictionUse
legislation.gov.ukOGL v3.0UKPrimary & secondary legislation
EUR-Lex CELLAREU reuseEUEU AI Act, GDPR, directives
C2PA specCC BY 4.0GlobalProvenance & authenticity spec
RFC 9964IETF TrustGlobalPQC for IETF protocols
NIST IR 8547NIST pubUSPQC transition guidance
self-hostedinternal—Crosswalk registry