Pith Number

pith:63C3LN6U

pith:2019:63C3LN6UU4OKS7NMRVSSXMHRC2

not attested not anchored not stored refs pending

Semantic Relationships Guided Representation Learning for Facial Action Unit Recognition

Guanbin Li, Liang Lin, Qing Wang, Xin Zhu, Yirui Zeng

arxiv:1904.09939 v1 · 2019-04-22 · 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{63C3LN6UU4OKS7NMRVSSXMHRC2}

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	2026-05-17T23:48:02.807812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6c5b5b7d4a71ca97dac8d652bb0f116a54a80b48665c371c0d078a37d641da7

Aliases

arxiv: 1904.09939 · arxiv_version: 1904.09939v1 · doi: 10.48550/arxiv.1904.09939 · pith_short_12: 63C3LN6UU4OK · pith_short_16: 63C3LN6UU4OKS7NM · pith_short_8: 63C3LN6U

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/63C3LN6UU4OKS7NMRVSSXMHRC2 \
  | 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: f6c5b5b7d4a71ca97dac8d652bb0f116a54a80b48665c371c0d078a37d641da7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "617ec4efab6485ec73b64bb721bd6cdde37d78dfda591c9bed5f48a8c17139dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-22T16:26:20Z",
    "title_canon_sha256": "d6fa4977c324752f7b683e09c3918acc19454efe24456b372ce9db5b0deb1f7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09939",
    "kind": "arxiv",
    "version": 1
  }
}