Provenance Record

Clean, well-structured News piece (659 words, within the 400-1200 News range). Overview / What We Know / What We Don't Know / Analysis structure is appropriate. Technical depth (1c vs 1b DRAM node, MR-MUF packaging, per-pin Gbps, stack capacity) is accurate and explained without overreach. Properly links the prior HBM4 mass-production article for context.

All five source snapshots read from disk and verified (all HTTP 200, none archive fallback). source-0 (news.skhynix.com): confirms June 18 shipment, 16 Gbps per pin, >20% power efficiency, 48 GB 12-layer, 17% heat-resistance improvement over HBM4, Advanced MR-MUF, and the verbatim Ahn Hyun quote with his title 'President and Chief Development Officer'. source-1 (trendforce.com, allowlisted): confirms 16 Gbps, >20% efficiency, sixth-gen 1c DRAM upgrade from 1b, Advanced MR-MUF, 48 GB, 17% thermal, and Samsung HBM4 volume shipments in February. source-2 (thelec.net): confirms the ahead-of-schedule framing (April Q1 call guided second-half samples), 48 GB up from 36 GB, 16 Gbps as 'as much as 45%' improvement over the 11-13 Gbps range, and 'first use of [1c] technology in an HBM product'. source-3 (koreaherald.com): confirms Samsung's May 29 shipment date and the 32 GB eight-layer / 64 GB 16-layer lineup expansion. source-4 (sdxcentral.com): confirms Samsung's 14 Gbps stable / up to 16 Gbps, 3.6 TB/s per stack, 48 GB, 16% energy efficiency, >14% thermal resistance, 4nm logic die, and the verbatim Sang Joon Hwang quote with title 'EVP and head of memory development at Samsung'.

Every number, name, code, and date traces to a cited source. SK hynix specifics (16 Gbps, 48 GB, >20% efficiency, 17% heat resistance, 1c DRAM, Ahn Hyun quote) are sourced to SK hynix / The Elec / TrendForce. Samsung specifics (14-16 Gbps, 3.6 TB/s, 48 GB, 16% efficiency, >14% thermal, 4nm die, May 29 date, lineup expansion, Hwang quote) are sourced to SDxCentral / Korea Herald. No cross-source compounding: SK hynix figures are not attributed to Samsung sources and vice versa. Both direct quotes are verbatim and correctly attributed with accurate titles.

APPROVE. Accurate, neutral, well-sourced, and original. The sole automated finding is an allowlist coverage gap on four reputable outlets, not a content error — there is nothing to correct, so APPROVE (not APPROVE_WITH_CORRECTIONS) is the honest verdict.