Pith Number

pith:EKNPAFP4

pith:2015:EKNPAFP4JXL53PDPVOGV5TI3Z6

not attested not anchored not stored refs pending

Learning Expressionlets via Universal Manifold Model for Dynamic Facial Expression Recognition

Mengyi Liu, Ruiping Wang, Shiguang Shan, Xilin Chen

arxiv:1511.05204 v1 · 2015-11-16 · 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{EKNPAFP4JXL53PDPVOGV5TI3Z6}

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	2026-05-18T00:57:18.124904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229af015fc4dd7ddbc6fab8d5ecd1bcfbad11055886e54a15ceb5ed83d51f2f0

Aliases

arxiv: 1511.05204 · arxiv_version: 1511.05204v1 · doi: 10.48550/arxiv.1511.05204 · pith_short_12: EKNPAFP4JXL5 · pith_short_16: EKNPAFP4JXL53PDP · pith_short_8: EKNPAFP4

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/EKNPAFP4JXL53PDPVOGV5TI3Z6 \
  | 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: 229af015fc4dd7ddbc6fab8d5ecd1bcfbad11055886e54a15ceb5ed83d51f2f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5319d7c7efbdccd5079e34f6de878daa6aed2eb4bc84c9116338efdbe820374",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-16T22:19:11Z",
    "title_canon_sha256": "de7aabe07ef629d952686bf573bfb00d544412a3a1d7c66e838edcf870a9a260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05204",
    "kind": "arxiv",
    "version": 1
  }
}