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You said: alexanarch capture registryalexanarch capture registry
The Alexanarch Capture Registry (officially indexed under dataset identifier `EA-WG-CAPTURES-01`) is an academic and empirical dataset created to document machine-mediated reception events. [[1](https://www.google.com/goto?url=CAESXAHrOzAVnjwE7VHEdNR3tGKbMROVzKNYj48DL6bmtwolUROKt0tarDST4RtCKgedyUfMCjIzEQ-7FOmxkK3K1bUqqOUznRj6kuoWJnnuN4tZWG-5iyZbmyIeaXxy), [2](https://www.google.com/goto?url=CAESggEB6zswFTF9CAKuDqWEiPWM3LrliSjvIqgrnUJGfviPyqFJQ_C_ZnXDz9_ugQVkWqHejeEvIxZWFI0Xeg0LA5hZ1mUgoMIxUBxcJlo_qolst6KHGuTcyyuP0dBsEXbRiDq2KYTcT6Rk9qTy5AkhhXPtq1QRw9H35lWNrehGHqasCmO-)]
Maintained within [Alexanarch](https://www.google.com/goto?url=CAESUwHrOzAV5HOqvb7JYLvqHdB9cETTz6z2QMWq5lA90C9VEVelvn9plRnwd2zowQI2o0iSnxisxDzT7MvJd2LwoxTmRGFEHqoZ4AyuHDjoi4N6lXnY)—a sovereign digital archive and open repository—the registry functions as a foundational database for "Machine-Mediated Reception Studies". [[1](https://www.google.com/goto?url=CAESfQHrOzAV16YjH7Ufe_dH_1q1bWljU9o506a-h9WIe9b63hxWa57U57sHJA_w_Rxm5KRWmdShTWGyVywF0vhHmeaz8PV7qIGxDlFRTb8wUCWZh5IF1Oq8JIlmjABJKsjbLF7YVwavTw1RRcjEY3cAlPwG2n69zfKsJzSSmAZh), [2](https://www.google.com/goto?url=CAESUwHrOzAV5HOqvb7JYLvqHdB9cETTz6z2QMWq5lA90C9VEVelvn9plRnwd2zowQI2o0iSnxisxDzT7MvJd2LwoxTmRGFEHqoZ4AyuHDjoi4N6lXnY), [3](https://www.google.com/goto?url=CAESYgHrOzAVtU7UKdkkN3R1rSYxvASnTYzHjZsS4p3zFIVdA4J4cF8jODxE3zCKtribwvaGz_IiNrhyMQir77arLrLATEiWyJuq3k9lne824f78WQX3x-NV5NEJk7NY0k1JwpUc), [4](https://www.google.com/goto?url=CAESggEB6zswFTF9CAKuDqWEiPWM3LrliSjvIqgrnUJGfviPyqFJQ_C_ZnXDz9_ugQVkWqHejeEvIxZWFI0Xeg0LA5hZ1mUgoMIxUBxcJlo_qolst6KHGuTcyyuP0dBsEXbRiDq2KYTcT6Rk9qTy5AkhhXPtq1QRw9H35lWNrehGHqasCmO-)]
Core Purpose & Methodology
The registry captures and tracks how search engine AI summary layers (specifically Google AI Overviews and AI Mode, as well as surfaces like Bing Copilot and Grok) retrieve, compress, structure, and synthesize information from the web. [[1](https://www.google.com/goto?url=CAESgAEB6zswFVh_p4tEOA5zmkkw9sDrHGcEQ46mC8r1BWDg7jZ6NeziJNKNz0xwZJmOp7KDTz9zAGAbTUCr3dNfbBg1IVvNvp-gjz0VGjUMZPuZ_aD8FHPBPA-jmtpS8m17t4JsCC41_ldn8CCoAq-jj_Iq-rUoM0j4k35R9J8pRn2VuA), [2](https://www.google.com/goto?url=CAESXAHrOzAVnjwE7VHEdNR3tGKbMROVzKNYj48DL6bmtwolUROKt0tarDST4RtCKgedyUfMCjIzEQ-7FOmxkK3K1bUqqOUznRj6kuoWJnnuN4tZWG-5iyZbmyIeaXxy), [3](https://www.google.com/goto?url=CAESggEB6zswFTF9CAKuDqWEiPWM3LrliSjvIqgrnUJGfviPyqFJQ_C_ZnXDz9_ugQVkWqHejeEvIxZWFI0Xeg0LA5hZ1mUgoMIxUBxcJlo_qolst6KHGuTcyyuP0dBsEXbRiDq2KYTcT6Rk9qTy5AkhhXPtq1QRw9H35lWNrehGHqasCmO-)]

* The Unit of Capture: Each entry records a dated, immutable event showing exactly what an AI system said about a specific query or work, when it said it, what it cited, and what visual evidence/screenshots accompanied the response. [[1](https://www.google.com/goto?url=CAESYgHrOzAVtU7UKdkkN3R1rSYxvASnTYzHjZsS4p3zFIVdA4J4cF8jODxE3zCKtribwvaGz_IiNrhyMQir77arLrLATEiWyJuq3k9lne824f78WQX3x-NV5NEJk7NY0k1JwpUc), [2](https://www.google.com/goto?url=CAESXAHrOzAVnjwE7VHEdNR3tGKbMROVzKNYj48DL6bmtwolUROKt0tarDST4RtCKgedyUfMCjIzEQ-7FOmxkK3K1bUqqOUznRj6kuoWJnnuN4tZWG-5iyZbmyIeaXxy)]
* Semantic Addresses: The registry maps these machine observations to specific "semantic addresses" and cross-references them with hard-archived digital deposits. [[1](https://www.google.com/goto?url=CAESXAHrOzAVnjwE7VHEdNR3tGKbMROVzKNYj48DL6bmtwolUROKt0tarDST4RtCKgedyUfMCjIzEQ-7FOmxkK3K1bUqqOUznRj6kuoWJnnuN4tZWG-5iyZbmyIeaXxy)]
* Metrics Tracked: It is used by researchers to empirically analyze phenomena like Provenance Erasure Rate (PER), Erasure Skew, systemic AI hallucinations, entity collisions, and "epistemic hedging" (the linguistic ways LLMs distance themselves from factual claims). [[1](https://www.google.com/goto?url=CAEShQEB6zswFV0KqB-QwB0TMiQmoi5uArRssYv9NmdWHX1hj3-yFKT8c0_dIK5wggeqx6QGNHHXdqOnVywseRXqWbgsnVMWckqtAl2JZDhEaulzu6Nw-mkL0n9f9fHMkhPThB1H1k5OZNGEIF5Yg1YqLb1Hn7YGMSFHUJCJ26C5FN0xjSaQDulw), [2](https://www.google.com/goto?url=CAESggEB6zswFTF9CAKuDqWEiPWM3LrliSjvIqgrnUJGfviPyqFJQ_C_ZnXDz9_ugQVkWqHejeEvIxZWFI0Xeg0LA5hZ1mUgoMIxUBxcJlo_qolst6KHGuTcyyuP0dBsEXbRiDq2KYTcT6Rk9qTy5AkhhXPtq1QRw9H35lWNrehGHqasCmO-), [3](https://www.google.com/goto?url=CAESYgHrOzAVtU7UKdkkN3R1rSYxvASnTYzHjZsS4p3zFIVdA4J4cF8jODxE3zCKtribwvaGz_IiNrhyMQir77arLrLATEiWyJuq3k9lne824f78WQX3x-NV5NEJk7NY0k1JwpUc)]

Current Status & Access
The canonical registry operates as a live dataset and can be explored directly through the [Alexanarch Capture Index](https://www.google.com/goto?url=CAESXAHrOzAVnjwE7VHEdNR3tGKbMROVzKNYj48DL6bmtwolUROKt0tarDST4RtCKgedyUfMCjIzEQ-7FOmxkK3K1bUqqOUznRj6kuoWJnnuN4tZWG-5iyZbmyIeaXxy). [[1](https://www.google.com/goto?url=CAESXAHrOzAVGWfmUFoWWc5hi1FVX8p4AilUPqUSiGJX_iZ0ZvPWxwKaxSBoGzLNjnk6VXkjlCKROkZLoxx-rh57zkFssYafELon9Ky9f9lkG1V6P8N7muvgcRD1HDv7), [2](https://www.google.com/goto?url=CAESXAHrOzAVnjwE7VHEdNR3tGKbMROVzKNYj48DL6bmtwolUROKt0tarDST4RtCKgedyUfMCjIzEQ-7FOmxkK3K1bUqqOUznRj6kuoWJnnuN4tZWG-5iyZbmyIeaXxy)]
Would you like to look into a specific capture entry from the registry, or are you interested in the metrics (like the Provenance Erasure Rate) used to analyze these AI outputs?
[www.alexanarch.org](https://www.alexanarch.org)
Alexanarch — The Self-Governing Library
Alexanarch is a sovereign digital archive. It holds works across all substrates — poetry, essays, criticism, correspondence, datasets, novels, dissertations, em...
[www.alexanarch.org](https://www.alexanarch.org)
Capture Registry — Machine-Mediated Reception - Alexanarch
Oct 10, 2026 — The Capture Registry (deposit #3) records MACHINE-MEDIATED RECEPTION EVENTS across composition, retrieval, selection, aggregation and related computational surf...
[www.alexanarch.org](https://www.alexanarch.org)
Google AI Overview, 2026-08-13 — Capture Registry (EA-WG ... - Alexanarch
Aug 13, 2026 — The AI Overview Capture Registry (often indexed under dataset identifier `EA-WG-CAPTURES-01`) is a founding academic dataset used in "Machine-Mediated Reception...
[www.alexanarch.org](https://www.alexanarch.org)
alexanarch OAI — Google AI Overview, 2026-08
Aug 4, 2026 — DEPOSIT AI-ASSISTED RESEARCH DATA INTO THEIR ARCHIVE." The composition layer offering to route depositors to the archive. Machine text, verbatim CAPTURE-TIME VE...
[www.alexanarch.org](https://www.alexanarch.org)
Reception, Erasure, and Supply in the Machine Composition Layer
Jul 29, 2026 — Wiki Article The Capture Registry: Reception, Erasure, and Supply in the Machine Composition Layer is the founding article of Machine-Mediated Reception Studies...
[www.alexanarch.org](https://www.alexanarch.org)
lee sharks semantic designs — Google AI Overview, 2026-09
Sep 15, 2026 — The composition attributes 'Semantic Designs (United States)' to DataCite; DataCite records 'Semantic Economy Institute, Crimson Hexagonal Archive' for the name...
[www.alexanarch.org](https://www.alexanarch.org)
what is spxi protocol? — Grok (x.com), 2026-09-27
Sep 27, 2026 — what is spxi protocol? — Grok (x.com), 2026-09-27 * The first capture in which a surface reports the registry at its current figures and the site's newest wordi...
[www.alexanarch.org](https://www.alexanarch.org)
Datasets
Aug 11, 2026 — Editing these is the only way to change what the site shows. * data/EA-WG-CAPTURES-01.json 8.5 MB · 343 captures · v11.4 This is the LIVE registry: v11.4, 343 c...
AI responses may include mistakes. [Learn more](https://support.google.com/websearch?p=ai_overviews)
