What you can verify about the Drift sample
Drift is a fictional sleep app. This page separates file measurements and retained source material from historical notes that lack supporting receipts. It is production evidence, not a client performance case study.
Measured public video
Download the silent sample. The inspected file contains H.264 video at 540×960 pixels, 30 frames per second, 340 frames and a duration of 11.333333 seconds. Its size is 565,648 bytes. It contains no audio stream. These are ffprobe measurements of the current public derivative.
The retained shot strip visually contains nine panels with labeled starts. It supports the nine-shot production description; its labels have not been independently checked against every frame of the video. The public strip is 1980×426 pixels.
Download the JSON evidence manifest for SHA-256 hashes, byte sizes, stream information and inspection time. Hashes identify the inspected files; they do not authenticate original authorship, licenses or business outcomes.
Reproduce the file checks
curl -O https://surfiohq.com/assets/ads/web/app-sleep-story-11s-ai-generated-silent.mp4 sha256sum app-sleep-story-11s-ai-generated-silent.mp4 ffprobe -v error -show_streams -show_format -of json app-sleep-story-11s-ai-generated-silent.mp4
Compare the hash and measurements with the manifest. macOS users can substitute shasum -a 256 for sha256sum. A different hash may mean the public asset has changed since inspection.
Retained reference screenshot
Original Meta Ad Library URL. The screenshot itself does not prove its capture date. September 26 2026 is the historical author-attributed date; March 3 to September 26 is a 207-day calendar interval, not independently verified continuous delivery.
Neither active status nor several creative copies establishes spend, conversion rate, profitability or test results. A retained screenshot is not a license to reuse the advertiser’s creative.
Available production material
Read the retained generation prompts and the production walkthrough. Prompts show intended generation instructions; they do not prove supplier model versions, credit charges, successful generations or rights clearance.
The interface, app-store listing, ratings and sleep numbers are fictional demonstration elements. They are not a released product, genuine user reviews, health claims or measured customer outcomes.
What remains unverified
- The earlier 185-ad research total: no reproducible collection manifest available.
- The 1,073-credit breakdown and supplier quotations: no supporting receipt available.
- Historical audio, motion and black-frame comparison figures: no reproducible measurement output available.
- Client conversions, spend, revenue, profit and forward-test results: no campaign dataset supplied.
- Commercial rights to the original matched reference music: no license receipt verified. The public review copy is silent.
These items remain unverified rather than being counted as passed. The current guide states the evidence limits beside the claims. Send a reproducible source or correction to acesley180604@gmail.com; verified corrections can be recorded in the update log.
Use and review
For paid campaigns, retain claim evidence, customer permissions, commercial asset licenses and the applicable platform disclosure settings. A production sample cannot certify legal compliance, platform approval or performance. See our editorial policy and service terms.