Pith Number

pith:22D4CSUA

pith:2025:22D4CSUAGXN4TTMN7DCMWQ2PEN

not attested not anchored not stored refs pending

Learning from Heterogeneity: Generalizing Dynamic Facial Expression Recognition via Distributionally Robust Optimization

Anyang Tong, Dan Guo, Feng-Qi Cui, Jie Zhang, Jinyang Huang, Meng Wang, Zhi Liu

arxiv:2507.15765 v2 · 2025-07-21 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22D4CSUAGXN4TTMN7DCMWQ2PEN}

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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

1 paper in Pith

Quantifying Multimodal Capabilities: Formal Generalization Guarantees in Pairwise Metric Learning

Receipt and verification

First computed	2026-07-05T11:43:33.975569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d687c14a8035dbc9cd8df8c4cb434f234198f16bf3b457f7f2d5a1fff9584384

Aliases

arxiv: 2507.15765 · arxiv_version: 2507.15765v2 · doi: 10.48550/arxiv.2507.15765 · pith_short_12: 22D4CSUAGXN4 · pith_short_16: 22D4CSUAGXN4TTMN · pith_short_8: 22D4CSUA

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/22D4CSUAGXN4TTMN7DCMWQ2PEN \
  | 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: d687c14a8035dbc9cd8df8c4cb434f234198f16bf3b457f7f2d5a1fff9584384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6ae584d3deb45249276e373d9e25e2ad8d207aaa7d334c664b30d32624d66f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-21T16:21:47Z",
    "title_canon_sha256": "166db4d2255c715f1d4c2a137eb8a7814d265a8ac18120f19a62bcc7d580dca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15765",
    "kind": "arxiv",
    "version": 2
  }
}