# Edtech’s Sea of Sameness — source register

This register covers every artifact displayed in the public essay. The machine-readable [`provenance ledger`](evidence/provenance.json) adds access state, local paths, byte sizes, and SHA-256 hashes.

Dates below are publication or campaign dates where a source provides one. “Observed” dates identify logged-out public-page captures.

## Out of home

- **MagicSchool — “Teachers Are Magic,” August 2025.** [First-party founder post with campaign executions](https://www.linkedin.com/posts/adeelkh_last-week-our-team-at-magicschool-ai-put-activity-7360371236410970113-KRBu), published 10 August 2025. [Syndicated campaign release](https://www.reuters.com/press-releases/magicschool-ai-teachers-are-magic-campaign-2025-08-07/), dated 7 August 2025. The displayed public capture contains the Atlanta billboard featuring English teacher Ahleesha Bryant.
- **Netflix — KPop Demon Hunters billboard, 10 July 2025.** [Official Netflix Tudum billboard archive](https://www.netflix.com/tudum/articles/netflix-billboard-sunset-boulevard-list).
- **Spotify — Taylor Swift global billboard campaign, launched 12 August 2025.** [Official Spotify Newsroom article](https://newsroom.spotify.com/2025-08-15/spotify-and-taylor-swift-connect-fans-worldwide-with-a-global-billboard-campaign-and-exclusive-playlist/), published 15 August 2025.
- **Instagram — Anyway “Button” outdoor execution, 14 June 2025.** [Public campaign-team execution post](https://www.linkedin.com/posts/colinjamesnagy_more-ooh-from-our-new-campaign-for-ig-made-activity-7339442290127421441-JtT8). Campaign identity and timing are corroborated by [Instagram’s official Meta announcement](https://about.fb.com/news/2025/06/inspiring-creativity-that-brings-people-together/), published 12 June 2025.

## Marketing email

- **Diffit — “You don’t need to settle for close enough,” 2 June 2026.** Sanitized full creative. Public brand reference: [Diffit](https://web.diffit.me/).
- **Edpuzzle — “Spot learning gaps early,” 10 August 2026.** Sanitized full creative. Public brand reference: [Edpuzzle](https://edpuzzle.com/).
- **Brisk Teaching — “How Teachers Brisked It,” 11 June 2026.** Sanitized full creative. Public brand reference: [Brisk Teaching](https://www.briskteaching.com/).
- **Spotify — “Slow Pulp made you something special,” archive published 7 July 2026.** [Really Good Emails public archive](https://reallygoodemails.com/emails/slow-pulp-made-you-something-special).

Recipient data, personalization, destination and tracking URLs, message identifiers, unsubscribe tokens, and private links were removed from the edtech creatives. Links inside the retained creatives are disabled.

## Public websites and landing pages

All eight pages were captured directly in clean, logged-out browser profiles and observed 11 August 2026.

Edtech landing pages:

- [Diffit](https://web.diffit.me/)
- [Wayground](https://wayground.com/)
- [Edpuzzle](https://edpuzzle.com/)
- [Brisk Teaching](https://www.briskteaching.com/)

Consumer landing pages:

- **Netflix — consumer homepage.** [Netflix](https://www.netflix.com/).
- **Spotify — Premium consumer landing page.** [Spotify Premium](https://www.spotify.com/us/premium/). The general U.S. homepage redirected to the Spotify web player in the capture environment; this current first-party marketing destination was captured instead.
- **Instagram — consumer-facing brand homepage.** [About Instagram](https://about.instagram.com/).
- **Target — consumer homepage.** [Target](https://www.target.com/).

## Official social

- **MagicSchool — teaching decisions / tools should not add work, 28 January 2026.** [Official MagicSchool LinkedIn post](https://www.linkedin.com/posts/magicschool-ai_teaching-is-a-constant-stream-of-decisions-activity-7422337937066991616-Wbw3).
- **Diffit — differentiation, access, voice, and learning goals, 21 August 2025.** [Official Diffit LinkedIn post](https://www.linkedin.com/posts/diffit-for-teachers_differentiation-isnt-just-about-levels-activity-7364388237546541057-EjvJ).
- **Edpuzzle — planning overload, time returned, and “teaching magic,” 13 November 2025.** [Official Edpuzzle LinkedIn post](https://www.linkedin.com/posts/edpuzzle-inc-_students-teachers-lesson-activity-7394752373849567232-6SUk). The displayed image is a locally captured frame at 1:04 from the public post video.
- **Pear Deck Learning — teacher uplift, engagement, and personalization for every learner, 4 May 2026.** [Official Pear Deck Learning LinkedIn post](https://www.linkedin.com/posts/pear-deck-learning_pear-deck-learning-teacher-stories-activity-7457101823146053632-QFq_). The displayed image is the first public cover page of the post carousel.
- **Target — Spring Breeze, 27 March 2025.** [Official @target Instagram post](https://www.instagram.com/p/DHtmi_lO1j4/).
- **Netflix — Tudum 2025, 28 April 2025.** [Official Netflix LinkedIn post](https://www.linkedin.com/posts/netflix_tudum-activity-7322605589845487616-atK_).

The displayed video covers are the image frames publicly served with those official posts. No unofficial repost substitutes for social evidence.

## Evidence note

Public pages and posts were accessed logged out. Recipient data, personalization, tracking URLs, message identifiers, unsubscribe tokens, and private links were removed from the edtech email images. The four channel sets are curated qualitative evidence, not representative samples or behavioral measurement.