Pith Number

pith:B5HRWENT

pith:2020:B5HRWENTAEAY76IFP4PQDXX3ZF

not attested not anchored not stored refs pending

Joint Deep Learning of Facial Expression Synthesis and Recognition

Chunhua Shen, Hanzi Wang, Si Chen, Yan Yan, Ying Huang

arxiv:2002.02194 v1 · 2020-02-06 · 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{B5HRWENTAEAY76IFP4PQDXX3ZF}

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	2026-07-05T00:38:50.147623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f4f1b11b301018ff9057f1f01defbc956dc29331db8cc9d114563501515ef45

Aliases

arxiv: 2002.02194 · arxiv_version: 2002.02194v1 · doi: 10.48550/arxiv.2002.02194 · pith_short_12: B5HRWENTAEAY · pith_short_16: B5HRWENTAEAY76IF · pith_short_8: B5HRWENT

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/B5HRWENTAEAY76IFP4PQDXX3ZF \
  | 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: 0f4f1b11b301018ff9057f1f01defbc956dc29331db8cc9d114563501515ef45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff913d58f570121258d48b131a1a21aa9825571678eaa023ca3861a3b6942b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-06T10:56:00Z",
    "title_canon_sha256": "24c1487456ea267fdddf9e2a99e53751a8b9675ee9e91135b2102cc8f5415d8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02194",
    "kind": "arxiv",
    "version": 1
  }
}