docs: refresh distribution mesh (Wave 2 SEO sweep)

README.md

@@ -256,3 +256,36 @@ The same 117,956 observations are available across multiple query surfaces — p
 - **[calcfi.app](https://calcfi.app)** — 300+ free personal-finance calculators, every tool cited to a primary source
 
 > Maintained by [Jere Salmisto](https://orcid.org/0009-0000-0916-8684) — founder of [calcfi.app](https://calcfi.app).
+
+---
+
+## Distribution mesh — also available on
+
+**Static landing pages (8 mirrors):**
+- [GitLab Pages (canonical)](https://calcfi-open-data-4a2bc1.gitlab.io/)
+- [GitHub Pages](https://jeresalmisto.github.io/calcfi-open-data/)
+- [Cloudflare Pages](https://calcfi-open-data.pages.dev/)
+- [Codeberg Pages (EU)](https://jerehere.codeberg.page/calcfi-open-data/)
+- [Surge.sh](https://calcfi-open-data.surge.sh/)
+- [Netlify](https://calcfi-open-data.netlify.app/)
+- [AWS S3](https://calcfi-open-data.s3.us-east-1.amazonaws.com/index.html)
+- [Datasette (live SQL)](https://calcfi-open-data.vercel.app/)
+
+**Permanent DOIs (5):**
+- [Figshare 10.6084/m9.figshare.32332290](https://doi.org/10.6084/m9.figshare.32332290)
+- [Zenodo 10.5281/zenodo.20302283](https://doi.org/10.5281/zenodo.20302283) (CERN)
+- [OSF 10.17605/OSF.IO/PUMKT](https://doi.org/10.17605/OSF.IO/PUMKT)
+- [Kaggle 10.34740/kaggle/dsv/16356447](https://doi.org/10.34740/kaggle/dsv/16356447)
+- [Mendeley Data 10.17632/jsnwhy6vjn.1](https://doi.org/10.17632/jsnwhy6vjn.1)
+
+**Packages:** [PyPI `calcfidata`](https://pypi.org/project/calcfidata/) · [npm `calcfidata`](https://www.npmjs.com/package/calcfidata) · [Anaconda](https://anaconda.org/jeresalmisto/calcfidata) · [Go pkg](https://pkg.go.dev/gitlab.com/jere.salmisto/calcfi-open-data/go) · [Julia](https://github.com/jeresalmisto/CalcFiData.jl) · [dbt](https://github.com/jeresalmisto/dbt-calcfi-open-data) · [Read the Docs](https://calcfidata.readthedocs.io/)
+
+**Data catalogs / warehouses:** [BigQuery Public](https://console.cloud.google.com/bigquery/analytics-hub/discovery/projects/1099067620437/locations/us/dataExchanges/calcfi_open_data_exchange/listings/calcfi_open_data) · [data.world](https://data.world/jerehere/calcfi-open-data) · [DoltHub](https://www.dolthub.com/repositories/jerehere/calcfi-open-data) · [MotherDuck](https://app.motherduck.com/share/92e4b6ab-46e0-42f4-8ebb-9e7ab22eae00)
+
+**Repos:** [GitLab](https://gitlab.com/jere.salmisto/calcfi-open-data) · [GitHub](https://github.com/jeresalmisto/calcfi-open-data) · [Codeberg](https://codeberg.org/jerehere/calcfi-open-data)
+
+**Companion website:** [calcfi.app](https://calcfi.app) — free personal-finance calculators built on this dataset.
+
+**Author:** [Jere Salmisto](https://calcfi.app/about) · ORCID [0009-0000-0916-8684](https://orcid.org/0009-0000-0916-8684)
+
+License: CC BY 4.0 (data) · MIT (code)