{"eid":"scidb","name":"Science Data","domain":"scidb.cn","resolved_by":"domain","topics":["storage"],"n_records":2,"best_vorder":1,"review":null,"aliases":["Science Data","Science Data Bank (ScienceDB, Chinese Academy of Sciences / CNIC)","ScienceDB (Science Data Bank, CAS / CNIC) — re-verified write path","scidb.cn"],"records":[{"rid":"storage/science-data-bank","card":{"rid":"storage/science-data-bank","eid":"scidb","topic":"storage","slug":"science-data-bank","provider":"Science Data Bank (ScienceDB, Chinese Academy of Sciences / CNIC)","url":"https://www.scidb.cn/en","domain":"scidb.cn","category":"academic","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"reported","binding":"write-gated","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"s3,rest","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":3,"usd_month":null,"usd_per_tb_month":null,"summary":"1 TB per dataset and 2,000 files per dataset, with no per-user or per-account cap; the 1 TB/2,000-file line is a soft gate (contact [address removed] for mor...","duplicate_of":null,"n_unknown":5},"record":{"topic":"storage","slug":"science-data-bank","provider":"Science Data Bank (ScienceDB, Chinese Academy of Sciences / CNIC)","url":"https://www.scidb.cn/en","category":"academic","free_tier":{"stated":"1 TB per dataset and 2,000 files per dataset, with no per-user or per-account cap; the 1 TB/2,000-file line is a soft gate (contact [address removed] for more) rather than a hard refusal. 'Data packages' bundle multiple datasets under one published record.","unit":"objects","metered_on":"unstated","source_url":"https://www.scidb.cn/en/faq","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not stated","source_url":"https://www.scidb.cn/en/faq","notes":"not stated"},"retention":{"stated":"not stated","source_url":"https://www.scidb.cn/en/faq","notes":"not stated"},"egress":{"terms":"Free public HTTPS download; no egress accounting in any policy page read.","metered":false},"interface":["s3","rest"],"interface_detail":"rest","tooling":"Web upload plus an Open API and OAI-PMH (listed in the help centre nav). No S3 backend exposed, so bulk automation is upload-by-UI or the Open API.","chaining":"Unlimited datasets x 1 TB each is the stated model; data packages then group them. This is the one Chinese academic repository that needs no +86 phone, no Alipay and no real-name verification - registration accepts username/password, GitHub, ORCID or WeChat, and only the first two are needed.","limits":[{"kind":"write-gated","value":"Review gate before publication","source":"https://www.scidb.cn/en/faq"}],"limits_note":"Review gate before publication; upload UI is the practical path (no public write API found for bulk); 2,000-file soft cap per dataset.","identity_cost":{"kind":"email","detail":"email","country":null},"reliability_note":"CNIC-operated, long-lived (Springer Nature recommended-repository status).","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"https://www.scidb.cn/en/faq","date":"2026-10-21","proved":"'if a single dataset contains more than 2,000 files or exceeds 1 TB in size, file upload functionality will be restricted... contact the ScienceDB official email'"},{"url":"https://www.scidb.cn/en/help","date":"2026-10-21","proved":"registration 'using the username and password you created during registration, or through third-party authentication such as CAS email/CSD account, GitHub account, ORCID and WeChat account'"},{"url":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193","date":"2026-10-21","proved":"comparative table: ScienceDB 'no limit on data volume, users can upload datasets of any size' vs Zenodo 50 GB"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-21T00:00:00.000Z","notes":"1 TB per dataset and 2,000 files per dataset, with no per-user or per-account cap; the 1 TB/2,000-file line is a soft gate (contact [address removed] for more) rather than a hard refusal. 'Data packages' bundle multiple datasets under one published record.","extras":{},"binding":"write-gated","binding_note":"the write is a queue with a person or a rule in it, so the upload rate is set by somebody else"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":1.0,"unit":"TB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:write-gated","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.free_tier.notes","process"],["$.per_object_cap.notes","not-extracted"],["$.per_object_cap.stated","not-extracted"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]},{"rid":"storage/sciencedb-re-verified-write-path","card":{"rid":"storage/sciencedb-re-verified-write-path","eid":"scidb","topic":"storage","slug":"sciencedb-re-verified-write-path","provider":"ScienceDB (Science Data Bank, CAS / CNIC) — re-verified write path","url":"https://www.scidb.cn/en","domain":"scidb.cn","category":"research-data-repository","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"reported","binding":"write-gated","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"ftp","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-21T00:00:00.000Z","verified_basis":"inherited","checked_on":"2026-10-21","stale_on":"2026-11-04","n_evidence":5,"usd_month":null,"usd_per_tb_month":null,"summary":"No data-volume limit. A 2025 peer-reviewed comparison of Zenodo and ScienceDB in Journal of Agricultural Big Data states it plainly: for ScienceDB the 数据大小 r...","duplicate_of":null,"n_unknown":8},"record":{"topic":"storage","slug":"sciencedb-re-verified-write-path","provider":"ScienceDB (Science Data Bank, CAS / CNIC) — re-verified write path","url":"https://www.scidb.cn/en","category":"research-data-repository","free_tier":{"stated":"No data-volume limit. A 2025 peer-reviewed comparison of Zenodo and ScienceDB in Journal of Agricultural Big Data states it plainly: for ScienceDB the 数据大小 row reads '没有数据量的限制，用户可以上传任意大小的数据集' (no limit on data volume; users may upload datasets of any size), against Zenodo's 'max 50 GB, can be raised to 200 GB in one step'. Datasets above 2,000 files or above 1 TB are merely flagged 'restricted' pending an email — a negotiable ceiling, not a hard one.","unit":"objects","metered_on":"unstated","source_url":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193","read_on":"2026-10-21","notes":null},"per_object_cap":{"stated":"not stated","source_url":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193","notes":"not stated"},"retention":{"stated":"not stated","source_url":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193","notes":"not stated"},"egress":{"terms":"Free, anonymous for public datasets. DOI resolution works (302 to the dataset page).","metered":false},"interface":["ftp"],"interface_detail":"web + ftp","tooling":"Explicitly two upload paths: '浏览器在线上传和FTP客户端在线上传' — browser and FTP client. FTP is the one that matters at TB scale and is unusual among research repositories. There is also an Open API and OAI-PMH listed in the help centre. Login accepts a native account or third-party GitHub / ORCID / CAS / WeChat — and the English help page lists GitHub explicitly, which is the route that avoids Chinese identity requirements entirely.","chaining":"Unlimited datasets per account with no per-user aggregate cap, so capacity is datasets × a negotiable per-dataset ceiling. FTP ingest means an unattended rclone or lftp job.","limits":[{"kind":"write-gated","value":"reviewed comparison of Zenodo and ScienceDB in Journal of Agricultural Big Data states i","source":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193"},{"kind":"write-gated","value":"review' (形式审核) of upload completeness, accessibility and the data-availability stateme","source":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193"}],"limits_note":"write-gated by 'formal review' (形式审核) of upload completeness, accessibility and the data-availability statement — light-touch but still a human queue. Every dataset must have a subject category from the PRC GB/T 13745-2009 classification and at least three keywords. Metadata is mandatory and detailed (data generation procedure, temporal/spatial scope, per-file description). Some submission flows route through a CAS email or CSD account, which for the foreign client means using the GitHub/ORCID button rather than the native form.","identity_cost":{"kind":"email","detail":"email","country":null},"reliability_note":"Rule 1 applies: the download path must be discovered from the UI, not guessed. DOI resolution (302 -> /detail?dataSetId=…) is the reliable programmatic handle.","confidence":"reported","confidence_note":"One page read moves it to documented.","evidence":[{"url":"http://agbigdata.aiijournal.com/EN/Y2025/V7/I2/193","date":"2026-10-21","proved":"opened: Table 1 row 数据大小, Zenodo '最多50 GB，可以一次性增加配额至200 GB' vs ScienceDB '没有数据量的限制，用户可以上传任意大小的数据集'; row 数据提交方式 for ScienceDB '浏览器在线上传和FTP客户端在线上传'; row 登录方式 'ScienceDB平台提供的登录界面；第三方账号，如中国科技云、Github、ORCID、Google账号等'. This is an independent 2025 academic comparison, not vendor copy."},{"url":"https://www.scidb.cn/en/help","date":"2026-10-21","proved":"opened: registration via native account or 'third-party authentication such as CAS email/CSD account, GitHub account, ORCID and WeChat account'; four-step flow metadata -> review -> publish."},{"url":"https://doi.org/10.57760/sciencedb.0142q","date":"2026-10-21","proved":"PROBED: curl -qsS -o /dev/null -w '%{http_code}' -> 302 with redirect to https://www.scidb.cn/detail?dataSetId=3ac806eb277c4fecb37a55d472b1e82f. DOI routing is live."},{"url":null,"date":"2026-10-21","proved":"PROBED: that detail page read via the broker returns the real record — title, 'Published on 2026-10-21', CSTR/DOI, PACKAGE type, abstract, keywords. A dataset published this week is retrievable, so the platform is active."},{"url":null,"date":"2026-10-21","proved":"PROBED (negative, recorded honestly): /api/v1/dataset/detail?doi=… -> HTTP 404, 9 bytes; /api/download/<doi> -> 404, 9 bytes; /api/download?dataSetId=…&fileId=1 -> 404, 9 bytes. The guessed API paths do not exist. Trust HTTP 200 only after a hash, and here even the status was wrong."}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-21T00:00:00.000Z","notes":"No data-volume limit. A 2025 peer-reviewed comparison of Zenodo and ScienceDB in Journal of Agricultural Big Data states it plainly: for ScienceDB the 数据大小 row reads '没有数据量的限制，用户可以上传任意大小的数据集' (no limit on data volume; users may upload datasets of any size), against Zenodo's 'max 50 GB, can be raised to 200 GB in one step'. Datasets above 2,000 files or above 1 TB are merely flagged 'restricted' pending an email — a negotiable ceiling, not a hard one.","extras":{},"binding":"write-gated","binding_note":"the write is a queue with a person or a rule in it, so the upload rate is set by somebody else"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":50.0,"unit":"GB","per":null,"currency":null,"usd":null,"fx_date":null,"parse":"ok"},{"path":"$.limits[0].value","kind":"limit:write-gated","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[1].value","kind":"limit:write-gated","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.evidence[3].url","private-url"],["$.evidence[4].url","private-url"],["$.free_tier.notes","process"],["$.per_object_cap.notes","not-extracted"],["$.per_object_cap.stated","not-extracted"],["$.reliability_note","partly-held"],["$.retention.notes","not-extracted"],["$.retention.stated","not-extracted"]],"history":[],"drift":[]}]}