2026-10-23 · 615 sites downloads

Atlas data archived on 2026-10-23. The original data files remain unchanged.

Data history: View additions and corrections
Updated: 2026-10-23
Observation dates: 2023-12-01 to 2026-10-22
Counts: 615 sites, 651 projects, 63 countries, 3308 evidence rows
Source: GitHub

manifest.json lists the size and SHA-256 hash of every original file. These files are frozen GitHub Release assets; their published checksums do not change when the site builder changes. This page itself is not in SHA256SUMS or the zip.

File	Format	Description	Size	SHA-256
datacenter-atlas-2026-10-23-research-fiftieth.zip derived	ZIP	Every file listed here except SHA256SUMS, in one archive.	12.7 MB	`c6fec3036a0633aef3ee8e7eb421955d2d1f84d918ba2364ffb33751a41d8c2a`
sites.csv	CSV	One row per physical site.	800.7 KB	`15139d6a0f1abe27d0096debed79512dc8833c5f6ad3f2e04564e0cbc0ff1a45`
projects.csv	CSV	One row per project: last observed status, locator semantics and typed observations.	3.4 MB	`6d087e416a8e087a22d0dd67650aaab0cb3153259108c6639711a588786a7ad3`
evidence.csv	CSV	Sources for site records, with URLs, usage terms and content hashes.	2.0 MB	`9f546fd503d3e8c3c248c556757782236afb0b76760317b88ade6fa8e73c95bc`
sites.geojson	GeoJSON	Site locators and boundaries as a GeoJSON FeatureCollection.	1.1 MB	`f83a63850934afca2501aaca1d89fbd5bfd3e3dbd6ccbb49f2fdf94665634565`
atlas.xlsx derived	Excel	Excel workbook: a README sheet plus sites, projects and evidence (UTF-8 safe; geometry omitted).	2.7 MB	`7217141143c625a03cb8352b24c283dec3c6cc4b6276f3b92ce530b1de692c10`
atlas.json derived	JSON	Every typed site, project and evidence record in one JSON document.	10.5 MB	`33987cb544645a05f6090201fc0faa80ab15e8f4f38cc54d1134e9be99003a6e`
atlas.sqlite derived	SQLite	SQLite database: the three tables, link and observation tables and a site_overview view.	9.4 MB	`293c21b44d61282238599653c319237cd7227987a498ebdcbb01d31c79eef917`
sites.kml derived	KML	Sites for Google Earth and other KML viewers.	876.3 KB	`89b41da077a026f52e642470314464b2723ae9466332664fcbb0d45db2bd2619`
sites.ndjson derived	NDJSON	One typed site record per line.	1.3 MB	`1bf8365e79075c5bd4fe0100659942d1aeb686c26a9bc5a0e9f77f994a96395a`
projects.ndjson derived	NDJSON	One typed project record per line.	4.9 MB	`c8a6e665f6f2d438f2a50dc30c9334bb6d2f96973933f688d20bdcbe4b0f962c`
evidence.ndjson derived	NDJSON	One typed evidence record per line.	4.4 MB	`c4da7fc4b09ba9883d503fd6ef6918d886cb8ded4fffdce86157efee66321cee`
datapackage.json derived	Data Package	Frictionless Data Package descriptor: table schemas, sizes and hashes.	47.7 KB	`7e1d338dfcd814827570af417737340340d5b7032bb6b2f0ef68383efa465e3f`
schema.json	JSON	Field definitions for the source files.	28.9 KB	`5a47ee58287b85e313ce5a3ddc1df0d51be84c3425574ce218c2a067abbd2459`
selection-report.json	JSON	Research and selection audit.	130.5 KB	`d98f3b649606f4f73738c70ded51c9404911d279cc0a223de3259241b809a18a`
review-provenance.json	JSON	Source and review records for additions.	74.5 KB	`7f153ba35b6705fc62ac946b208d5d08481c98c7ccf8780cbab4b213640a09d5`
README.md	Markdown	Original research notes retained with the archived data.	366 B	`020204153e7124cf4815575209d1e4845e8bc5c5402fc0f4a5df247d1700c517`
ATTRIBUTION.txt	Text	Source attribution and third-party terms.	860.5 KB	`621ead5252711f8e6dceff6f224b30db1f4699399580b76df3cd445b12fd96ca`
manifest.json	JSON	File sizes and SHA-256 hashes of the source files.	2.6 KB	`85c4ba417ffa8aa9ea23c7b8d01a108c384f81c2a46472c404366bb0838d4a17`
manifest.sha256	Text	SHA-256 of manifest.json.	80 B	`ea416628737025ef3f21a3824d89a9c633bb153d3e0e2cb217b965e3c9ddc57e`
identity-mapping.json	JSON	Project and campus matches, scope distinctions and unresolved identities.	734.7 KB	`3c0ba3dcad7941c5317e8a36b0b4c3e87e29bb945b59751319ddcc657069a8de`
source-records.json	JSON	Complete project records with figures, organizations, milestones and original sources.	2.1 MB	`0b593c002903193ca62489eac1ba25674f262fa03bbd2078a2a422f58015fd1a`
SHA256SUMS derived	Text	SHA-256 of every file in this directory (sha256sum -c format).	1.8 KB	`801d058972bd371fc8a36ed9e256461b1f9d1de7b3ec42d7ba112ee69d313f77`

Verify the files #

curl -fLO https://github.com/kiankyars/datacenter-atlas/releases/download/data-2026-10-23-research-fiftieth/SHA256SUMS
sha256sum --check --ignore-missing SHA256SUMS

GitHub Pages serves .ndjson, .sqlite and SHA256SUMS as application/octet-stream and .zip as application/x-zip-compressed; identify formats by file extension or by media_type here, not by Content-Type.