Realurls

Chainer

Wikidata Q34978225. GitHub chainer.

Official domains: chainer.org

Identity anchored by wikidata:Q34978225/P856 wikidata:Q34978225/P1324. Display name from wikidata:Q34978225.

chainer.org verified primary · confidence 0.85 · verified 2026-09-06

correlated anchors merged: A8 not independent of the kept one, counted once · 1 independent anchor(s) + 3 independent corroboration(s): meets the verified threshold

EvidenceWhat it shows
A1 anchor GitHub verified this organization's domain (DNS-level check performed by GitHub)
org=chainer org_verified=true blog=https://chainer.org
 source
A8 anchor Anchored repository's homepage points here, and this site links back
repo=chainer/chainer org=chainer repo_anchored=true homepage=https://chainer.org backlink=true stars=5921 age_days=4110 contributors=332
 source
A3 not counted Corporate registrar fingerprint (brand-protection registrar, long prepaid term, registry locks)
registrar=Gandi SAS created=2015-06-05 expires=2027-06-05 remaining_days=272 locks=["transfer"]
 source
A4 not counted TLS certificate carries the organization name (OV/EV)
subject_org= validation_type=DV issuer=Google Trust Services san_count=2
 TLS handshake chainer.org:443
B1 corroboration Wikidata official-website claim (P856) on the anchored item
qid=Q34978225 label=Chainer site=https://chainer.org sitelinks=5 competing_items=1
 source
B5 corroboration Tranco top-1M ranking
rank=911181 source=top-1m list
 source
B4 corroboration Wayback Machine history
first_snapshot=2003-08-08 history_days=8430
 source
2 piece(s) of evidence not counted — why
  • A3: registrar (Gandi SAS) is not a brand-protection registrar
  • A4: DV certificate carries no organization name (most modern tech companies use DV; this is expected)
Reproduce this yourself
# A1 — GitHub verified this org's domain
curl -s https://api.github.com/orgs/chainer | jq '{name, blog, is_verified}'

# A8 — anchored repo's homepage
curl -s https://api.github.com/repos/chainer/chainer | jq '{homepage, created_at, stargazers_count}'

# A3 — registrar / dates / locks
curl -sL https://rdap.org/domain/chainer.org | jq '{status, events, registrar: [.entities[]|select(.roles[]=="registrar")|.vcardArray[1][1][3]]}'

# B1 — Wikidata P856
curl -s "https://www.wikidata.org/w/api.php?action=wbgetclaims&entity=Q34978225&property=P856&format=json"

# B5 — Tranco rank
curl -s https://tranco-list.eu/api/ranks/domain/chainer.org

# B4 — first Wayback snapshot
curl -s "http://web.archive.org/cdx/search/cdx?url=chainer.org&limit=1&output=json"

# Re-run the whole pipeline for this domain
git clone https://github.com/zhouchungong/realurls-registry && cd realurls-registry && pip install -e . && python -m src.verify chainer.org

Think this is wrong? Open a dispute — the burden of proof is on us, and the record is downgraded while we check. Source record: YAML.