Content surface

chemistry

80 registry assets sequenced for learn learners. Each item keeps manual progress, source-grounded AI help gates, and visible content gaps.

Start sequence

Subject progression ladder

4 audience steps; 57 lessons across the ladder; 5 owner evidence items required.

Local ladder ready

kids

14 lessons; 1 variant; 1 locale.

/library/kids/chemistry

Next audience route: /library/junior/chemistry

junior

12 lessons; 1 variant; 1 locale.

/library/junior/chemistry

Next audience route: /library/learn/chemistry

learn

Current

15 lessons; 1 variant; 1 locale.

/library/learn/chemistry

Next audience route: /library/academy/chemistry

academy

16 lessons; 1 variant; 1 locale.

/library/academy/chemistry

Local ladder gates

No local ladder gaps reported

Owner progression policy

5 owner evidence items required; 5 owner evidence gaps.

Progression claims

Progression readiness claim blocked

Local subject/audience ladder evidence only; owner curriculum placement, age appropriateness, localization quality, AI readiness, and production readiness are not proven.

en

80 steps

Evidence gates

3 blockers; 11 owner evidence items required before readiness claims.

Readiness not claimed

Local checks

12 local checks ready

51 quiz items; 51 answer keys; 51 explanations.

15 sitemap routes; 15 AI context routes; 0 candidate routes; no dead links.

Standards snapshot checked 2026-06-24

Owner evidence

Child/guardian review not required

Owner evidence missing

Route owner evidence missing

Production evidence

Production evidence missing

Assessment telemetry evidence missing

Production discoverability evidence missing

Blockers: assessment_attempt_telemetry_required_before_readiness_claim, production_telemetry_evidence_required_before_readiness_claim, provenance_review_required_before_ai_readiness_claim

Source rights

15 lessons need rights review; 45 provenance blockers.

Source paths are locally ready for review

Owner rights clearance pending

Attribution clearance pending

AI provenance clearance pending

Rights and AI-provenance writes locked until owner evidence is present

Rights blockers: ai_provenance_policy_unresolved_without_license: 15, attribution_missing: 15, license_or_rights_policy_missing: 15

Local source-path and provenance evidence only; owner-approved license, attribution, and AI-provenance evidence are required before field writes, AI readiness, or publication claims.