Pith Number

pith:ETYLSCGX

pith:2021:ETYLSCGXB5IDH63VGEBPWDAM2T

not attested not anchored not stored refs pending

What happens in Face during a facial expression? Using data mining techniques to analyze facial expression motion vectors

Abbas Khosrave, Afshin Shoeibi, Juan M. Gorriz, Mahdi Roshanzamir, Mohamad Roshanzamir, Roohallah Alizadehsani, Saeid Nahavandi

arxiv:2109.05457 v1 · 2021-09-12 · 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{ETYLSCGXB5IDH63VGEBPWDAM2T}

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	2026-07-05T03:13:39.144022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f0b908d70f5033fb753102fb0c0cd4e61ba6e61c52f27c6c3d0eb53c480921

Aliases

arxiv: 2109.05457 · arxiv_version: 2109.05457v1 · doi: 10.48550/arxiv.2109.05457 · pith_short_12: ETYLSCGXB5ID · pith_short_16: ETYLSCGXB5IDH63V · pith_short_8: ETYLSCGX

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/ETYLSCGXB5IDH63VGEBPWDAM2T \
  | 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: 24f0b908d70f5033fb753102fb0c0cd4e61ba6e61c52f27c6c3d0eb53c480921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c7c60ddf5368f503247c09847f85b2e14954828ad2159be82ab7e408f88b3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-12T08:17:44Z",
    "title_canon_sha256": "c3a08a082ea90f0703a5337b81a5674ee50af32eaba6a34a7f3158066b9a44a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05457",
    "kind": "arxiv",
    "version": 1
  }
}