Pith Number

pith:GY7SEU7I

pith:2025:GY7SEU7I4WLI2YGRCUVTBQTSIW

not attested not anchored not stored refs pending

Navigating Label Ambiguity for Facial Expression Recognition in the Wild

Gi Pyo Nam, Haksub Kim, Ig-jae Kim, JunGyu Lee, Yeji Choi

arxiv:2502.09993 v1 · 2025-02-14 · 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{GY7SEU7I4WLI2YGRCUVTBQTSIW}

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	2026-07-05T10:24:01.357262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

363f2253e8e5968d60d1152b30c27245ab49270f197f154f06ff8adc9d02795b

Aliases

arxiv: 2502.09993 · arxiv_version: 2502.09993v1 · doi: 10.48550/arxiv.2502.09993 · pith_short_12: GY7SEU7I4WLI · pith_short_16: GY7SEU7I4WLI2YGR · pith_short_8: GY7SEU7I

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/GY7SEU7I4WLI2YGRCUVTBQTSIW \
  | 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: 363f2253e8e5968d60d1152b30c27245ab49270f197f154f06ff8adc9d02795b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3f18bbc7cf73a1be81ce796a56e67067f2423fe76f8b01e2ba2e9f3d4e218e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-14T08:24:38Z",
    "title_canon_sha256": "1593da6612e5efa881c23d08cde737bc99e1e6e109019a597ee69b036edc7898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09993",
    "kind": "arxiv",
    "version": 1
  }
}