2026-10-22 · 572 sites downloads

Atlas data archived on 2026-10-22. The original data files remain unchanged.

Data history: View additions and corrections
Updated: 2026-10-22
Observation dates: 2023-12-01 to 2026-10-21
Counts: 572 sites, 605 projects, 61 countries, 3069 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-2026-10-22-research-fortyfirst.zip derived	ZIP	Every file listed here except SHA256SUMS, in one archive.	11.9 MB	`cc8afac6b84058212cb3ff8221c6dcf6457fdc63893a89c51d81c2e29d87cc9f`
sites.csv	CSV	One row per physical site.	743.7 KB	`db53adf883c2b1b6be310fd67d88315214a11ca20b0fdf69dead3b8321839e95`
projects.csv	CSV	One row per project: last observed status, locator semantics and typed observations.	3.3 MB	`2697da6b50bcab90cfcf0d27bdccd55420d82896149c83b0aaf42b4e298352f6`
evidence.csv	CSV	Sources for site records, with URLs, usage terms and content hashes.	1.8 MB	`89d8851bd29f7c64c3dd440984bc08f6d0af34c5857a4ced04fa3402d42903a4`
sites.geojson	GeoJSON	Site locators and boundaries as a GeoJSON FeatureCollection.	1.0 MB	`fc2e75bce13a81eefcfcaa5fab02215399bd2936cb4a95becf920e7848b40ebc`
atlas.xlsx derived	Excel	Excel workbook: a README sheet plus sites, projects and evidence (UTF-8 safe; geometry omitted).	2.5 MB	`70de8bf3a16b51cfc6017dde29a3edaaaf3ab5a09d1dd68a4925604120a6b858`
atlas.json derived	JSON	Every typed site, project and evidence record in one JSON document.	9.9 MB	`4950e44273c668c57ee88ab38f4038c6f3ce55241638002c2fb45a53a50cdcc9`
atlas.sqlite derived	SQLite	SQLite database: the three tables, link and observation tables and a site_overview view.	9.0 MB	`3dbf7b08cdb3ed3d495b1135b0583a12aca072db6009c8329644db513afc5985`
sites.kml derived	KML	Sites for Google Earth and other KML viewers.	821.4 KB	`69cd30901089aaa1874c4d43426c6ff741ca84d9051e5bdea1956d721e39253b`
sites.ndjson derived	NDJSON	One typed site record per line.	1.2 MB	`3e88655aba4b928da69ac85517816600487f8092ff4d946fa727f6bb2e57d9f0`
projects.ndjson derived	NDJSON	One typed project record per line.	4.6 MB	`1b5ec96ef202192afbb6d5617f1ef5701aad59bb9b4fd43f32c74aec86f2cd9d`
evidence.ndjson derived	NDJSON	One typed evidence record per line.	4.0 MB	`ec4550979e831b752448d4d614b996bcf42d56f75a6514d9c201add54a133167`
datapackage.json derived	Data Package	Frictionless Data Package descriptor: table schemas, sizes and hashes.	47.7 KB	`73ecf7c9e8c5b53c6333c82ca0243f1fcf387def09816d4f9fd675dc26dc17ca`
schema.json	JSON	Field definitions for the source files.	28.9 KB	`5a47ee58287b85e313ce5a3ddc1df0d51be84c3425574ce218c2a067abbd2459`
selection-report.json	JSON	Research and selection audit.	130.6 KB	`67d604cb001eac7adc471bffa1b69820de079fe588aef8923c6967e30d4b73d6`
review-provenance.json	JSON	Source and review records for additions.	142.5 KB	`abab8b4a59d5a4b9a495559481f63cc28ea161e1a5ccd72d764af332d3b0ba21`
README.md	Markdown	Original research notes retained with the archived data.	366 B	`87be4bd3423afbf98f51be68cfd4c14c735efac439e7cd6eacfa1f805b6eaff3`
ATTRIBUTION.txt	Text	Source attribution and third-party terms.	774.6 KB	`d8390e5c0ae4ca948d24c9f07a5fa7e16f60ad9668fbcd187dec85d2f00ac121`
manifest.json	JSON	File sizes and SHA-256 hashes of the source files.	2.6 KB	`af153bb0363b4e84a2e0e0a33e99e62b53715c9060382ca4d94605ca40a6371f`
manifest.sha256	Text	SHA-256 of manifest.json.	80 B	`a95829cde6f00fa541456eaa02db08151552e3729b0a974c2961766a2f28a5fb`
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	`4f6092f1b2608966b3b5cc6a680a165ea5209bc0b6c13a23597f73891dc5c049`

Verify the files #

curl -fLO https://github.com/kiankyars/datacenter-atlas/releases/download/data-2026-10-22-research-fortyfirst/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.