Pith Number

pith:IGFWDPP4

pith:2025:IGFWDPP4NBWHWDWCH3Y6PZ3LHW

not attested not anchored not stored refs pending

Robust Dynamic Facial Expression Recognition

Feng Liu, Hanyang Wang, Siyuan Shen

arxiv:2502.16129 v1 · 2025-02-22 · 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{IGFWDPP4NBWHWDWCH3Y6PZ3LHW}

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	2026-07-05T10:18:21.610596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418b61bdfc686c7b0ec23ef1e7e76b3db8d44e1e664f2fa8b2d124ad5a474967

Aliases

arxiv: 2502.16129 · arxiv_version: 2502.16129v1 · doi: 10.48550/arxiv.2502.16129 · pith_short_12: IGFWDPP4NBWH · pith_short_16: IGFWDPP4NBWHWDWC · pith_short_8: IGFWDPP4

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/IGFWDPP4NBWHWDWCH3Y6PZ3LHW \
  | 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: 418b61bdfc686c7b0ec23ef1e7e76b3db8d44e1e664f2fa8b2d124ad5a474967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aba27ffad4bdbad4c38090f6a0dca6f91de6ed2a1954be43e1768a897e071b47",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-02-22T07:48:12Z",
    "title_canon_sha256": "057e8994c14b46075933c0c1735042467002a393cfc84aa5f565f852dd89c03c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16129",
    "kind": "arxiv",
    "version": 1
  }
}