Pith Number

pith:P2FGERC2

pith:2019:P2FGERC2PR5WEWONHZRPEB4UXB

not attested not anchored not stored refs pending

Large-scale Tag-based Font Retrieval with Generative Feature Learning

Hailin Jin, Jiebo Luo, Ning Xu, Tianlang Chen, Zhaowen Wang

arxiv:1909.02072 v2 · 2019-09-04 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2FGERC2PR5WEWONHZRPEB4UXB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:09:16.554229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e8a62445a7c7b6259cd3e62f20794b86bde8d61c627f54af8628837a04e1888

Aliases

arxiv: 1909.02072 · arxiv_version: 1909.02072v2 · doi: 10.48550/arxiv.1909.02072 · pith_short_12: P2FGERC2PR5W · pith_short_16: P2FGERC2PR5WEWON · pith_short_8: P2FGERC2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/P2FGERC2PR5WEWONHZRPEB4UXB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7e8a62445a7c7b6259cd3e62f20794b86bde8d61c627f54af8628837a04e1888

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4abeb361e2691a6d99e4dbdc998b9989d44815aca5bf3313fd01d2b6442d0fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-04T19:49:58Z",
    "title_canon_sha256": "e818dcfb88fb289e0d4a57436cf0309b43f549a6ff63c9caed294682fc02c937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02072",
    "kind": "arxiv",
    "version": 2
  }
}