Pith Number

pith:BWFS4AKR

pith:2019:BWFS4AKRWCIU66HQ2EUD35TZZG

not attested not anchored not stored refs pending

Expression, Affect, Action Unit Recognition: Aff-Wild2, Multi-Task Learning and ArcFace

Dimitrios Kollias, Stefanos Zafeiriou

arxiv:1910.04855 v1 · 2019-09-25 · cs.CV · cs.HC · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWFS4AKRWCIU66HQ2EUD35TZZG}

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.

Cited by

3 papers in Pith

A Two-Stage Dual-Modality Model for Facial Emotional Expression Recognition

Bidirectional Learning of Facial Action Units and Expressions via Structured Semantic Mapping across Heterogeneous Datasets

LaScA: Language-Conditioned Scalable Modelling of Affective Dynamics

Receipt and verification

First computed	2026-07-05T00:11:23.341885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d8b2e0151b0914f78f0d1283df679c9bafdcc860a8542d5f3803c49710182fb

Aliases

arxiv: 1910.04855 · arxiv_version: 1910.04855v1 · doi: 10.48550/arxiv.1910.04855 · pith_short_12: BWFS4AKRWCIU · pith_short_16: BWFS4AKRWCIU66HQ · pith_short_8: BWFS4AKR

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/BWFS4AKRWCIU66HQ2EUD35TZZG \
  | 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: 0d8b2e0151b0914f78f0d1283df679c9bafdcc860a8542d5f3803c49710182fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b5479413773b8a71974f77ea5e05dbdfea9e61b2db6862d6b02dfbc8c3158f8",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-25T22:45:18Z",
    "title_canon_sha256": "6dafef1c2262a8106c003f4ac6c579170bc54b292a69e60c2b8b390ffbc2c316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04855",
    "kind": "arxiv",
    "version": 1
  }
}