2026-10-23 · 626 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: 626 sites, 663 projects, 63 countries, 3378 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-fiftysecond.zip derived	ZIP	Every file listed here except SHA256SUMS, in one archive.	13.0 MB	`fd94a6e1a916bfc78aa1461a7a563cde708660b4a311dce74ee420aac637a8ff`
sites.csv	CSV	One row per physical site.	817.0 KB	`22b8b1ba0f94a7488d849fa183545d111831803db9a589fa559d37d56aa70f66`
projects.csv	CSV	One row per project: last observed status, locator semantics and typed observations.	3.4 MB	`c94436c24c955d38c45f6be422718889b3c025797764c893afe85aba19e9f4c3`
evidence.csv	CSV	Sources for site records, with URLs, usage terms and content hashes.	2.1 MB	`34578165c0038609cee4a182c798e4a92412a69798cf0b031e6e58a7e93c4a4d`
sites.geojson	GeoJSON	Site locators and boundaries as a GeoJSON FeatureCollection.	1.1 MB	`d03b9388ebfeef30e51be11d40fc1358fef02ee524705c26898720a1586ab1a3`
atlas.xlsx derived	Excel	Excel workbook: a README sheet plus sites, projects and evidence (UTF-8 safe; geometry omitted).	2.7 MB	`16ea740cb7b3598666d74cf701c6fd309e449904e16395decc631cbffe0bd167`
atlas.json derived	JSON	Every typed site, project and evidence record in one JSON document.	10.7 MB	`3faf979f3da5aeff99865e56b00721b36d3a747cb34632c6d22be8281b7e3fc1`
atlas.sqlite derived	SQLite	SQLite database: the three tables, link and observation tables and a site_overview view.	9.6 MB	`336d2a770a87d9bd07a612ccab31ac21767c33e45bb95247a02d472a6ce32940`
sites.kml derived	KML	Sites for Google Earth and other KML viewers.	890.3 KB	`a102aa66c209e262d82eb218bbcb9725378bf8300dd3b8dcd96ff3a86a6efaee`
sites.ndjson derived	NDJSON	One typed site record per line.	1.3 MB	`e9d848b6698b155ef882afa184158d92c1eab03b9b7a9db969c26d2c91190a8e`
projects.ndjson derived	NDJSON	One typed project record per line.	4.9 MB	`ade3ab4cb5a00fd14630801667ff3e69e5a9c8207a722fb3938d4d6fef4ee7d6`
evidence.ndjson derived	NDJSON	One typed evidence record per line.	4.4 MB	`1014072ffbc2dd42ff27cafd09f9682c095411b2cc13920c6e6b27614b474646`
datapackage.json derived	Data Package	Frictionless Data Package descriptor: table schemas, sizes and hashes.	47.7 KB	`d68536e9be0b3412fdd32a28be643737d787824bb6623584b485373983a011b6`
schema.json	JSON	Field definitions for the source files.	28.9 KB	`5a47ee58287b85e313ce5a3ddc1df0d51be84c3425574ce218c2a067abbd2459`
selection-report.json	JSON	Research and selection audit.	131.4 KB	`370327bef4227e395ffde6ee693d572a7aa249829d2d1af3ac690f477b6308e9`
review-provenance.json	JSON	Source and review records for additions.	183.3 KB	`648a96e943ef6f9a042ab5a776706a1c6ec173356810d9a17dc7731fa49b51fa`
README.md	Markdown	Original research notes retained with the archived data.	366 B	`91a0a3ad5a8e5c17cc0c3672317a1f25e4e6cdae53b1cbf62b7ca8bfb440c990`
ATTRIBUTION.txt	Text	Source attribution and third-party terms.	885.5 KB	`a5c1eb2b36fbb75b53afeca0dc015fe926d5e441b070681402d62436e6ca763d`
manifest.json	JSON	File sizes and SHA-256 hashes of the source files.	2.6 KB	`b9c0d3da6c8aac668055a83fe4237cbc998b2d347a1a282754927223f058cc13`
manifest.sha256	Text	SHA-256 of manifest.json.	80 B	`f5e1fc3d9fc5b1920e0169be49e782cc98bcc2922c1a2a8851e3e836d3eab98a`
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	`d99c1e40267b93c355dade5779aa2bab56d384484cf6491f03a452ff2a7c57de`

Verify the files #

curl -fLO https://github.com/kiankyars/datacenter-atlas/releases/download/data-2026-10-23-research-fiftysecond/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.