Pith Number

pith:MJEJKQTX

pith:2022:MJEJKQTXIGJYWYTSKMWMXQMV6S

not attested not anchored not stored refs pending

FERV39k: A Large-Scale Multi-Scene Dataset for Facial Expression Recognition in Videos

Shuyong Gao, Weifeng Ge, Wei Zhang, Wenqiang Zhang, Yan Wang, Yiwen Huang, Yixuan Sun, Zhongying Liu

arxiv:2203.09463 v2 · 2022-03-17 · 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{MJEJKQTXIGJYWYTSKMWMXQMV6S}

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	2026-07-05T04:06:51.213737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

624895427741938b6272532ccbc195f4a9acd17ca516ae0855f7dee95bfecb22

Aliases

arxiv: 2203.09463 · arxiv_version: 2203.09463v2 · doi: 10.48550/arxiv.2203.09463 · pith_short_12: MJEJKQTXIGJY · pith_short_16: MJEJKQTXIGJYWYTS · pith_short_8: MJEJKQTX

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/MJEJKQTXIGJYWYTSKMWMXQMV6S \
  | 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: 624895427741938b6272532ccbc195f4a9acd17ca516ae0855f7dee95bfecb22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eba9db19f8c534dd408cd9a1686c23d2fafab3673126302c8b59dc3aa4c79401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-03-17T17:25:33Z",
    "title_canon_sha256": "22adf47f5249876cdd9b36e63df0679517803c8515e8030ca7a11026908c5ee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.09463",
    "kind": "arxiv",
    "version": 2
  }
}