Realurls

Catboost

Wikidata Q55656976. GitHub catboost.

Official domains: catboost.ai

Identity anchored by wikidata:Q55656976/P856 github-history:catboost/catboost(age=9y,contrib=1433,stars=9090). Display name from wikidata:Q55656976.

catboost.ai verified primary · confidence 0.85 · verified 2026-09-05

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=catboost org_verified=true blog=catboost.ai
 source
A8 anchor Anchored repository's homepage points here, and this site links back
repo=catboost/catboost org=catboost repo_anchored=true homepage=https://catboost.ai backlink=true stars=9090 age_days=3336 contributors=1433
 source
A3 not counted Corporate registrar fingerprint (brand-protection registrar, long prepaid term, registry locks)
registrar=SafeNames Ltd. created=2018-07-18 expires=2028-07-18 remaining_days=681 locks=["delete","transfer","update"]
 source
A4 not counted TLS certificate carries the organization name (OV/EV)
subject_org=YANDEX LLC validation_type=OV issuer=GlobalSign nv-sa san_count=1
 TLS handshake catboost.ai:443
B1 corroboration Wikidata official-website claim (P856) on the anchored item
qid=Q55656976 label=Catboost site=https://catboost.ai/ sitelinks=5 competing_items=1
 source
B5 corroboration Tranco top-1M ranking
rank=937357 source=top-1m list
 source
B4 corroboration Wayback Machine history
first_snapshot=2018-08-26 history_days=2932
 source
2 piece(s) of evidence not counted — why
  • A3: fewer than 1095 days until expiry; not the long prepaid term typical of corporate registrations
  • A4: certificate organization (YANDEX LLC) is not the anchored entity (Catboost, catboost)
Reproduce this yourself
# A1 — GitHub verified this org's domain
curl -s https://api.github.com/orgs/catboost | jq '{name, blog, is_verified}'

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

# A3 — registrar / dates / locks
curl -sL https://rdap.org/domain/catboost.ai | 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=Q55656976&property=P856&format=json"

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

# B4 — first Wayback snapshot
curl -s "http://web.archive.org/cdx/search/cdx?url=catboost.ai&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 catboost.ai

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.