Pith Number

pith:JOPKAA3A

pith:2021:JOPKAA3A3WFJ4TFW3BVPYBNDWH

not attested not anchored not stored refs pending

Efficient Facial Expression Analysis For Dimensional Affect Recognition Using Geometric Features

Stefan Winkler, Vassilios Vonikakis

arxiv:2106.07817 v1 · 2021-06-15 · cs.CV · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOPKAA3A3WFJ4TFW3BVPYBNDWH}

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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

Underage Detection through a Multi-Task and MultiAge Approach for Screening Minors in Unconstrained Imagery

Receipt and verification

First computed	2026-07-05T02:49:34.213366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b9ea00360dd8a9e4cb6d86afc05a3b1e1ef7900d3f21280a1c37d2252c536c6

Aliases

arxiv: 2106.07817 · arxiv_version: 2106.07817v1 · doi: 10.48550/arxiv.2106.07817 · pith_short_12: JOPKAA3A3WFJ · pith_short_16: JOPKAA3A3WFJ4TFW · pith_short_8: JOPKAA3A

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/JOPKAA3A3WFJ4TFW3BVPYBNDWH \
  | 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: 4b9ea00360dd8a9e4cb6d86afc05a3b1e1ef7900d3f21280a1c37d2252c536c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e370b9fe6bd65ff7523721f742892297a284d34bdb0c14ecc2b75ea2e425689",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-15T00:28:16Z",
    "title_canon_sha256": "9cc7fd8b00530cb454987f7b2606cb174912664ddd14863c295a1f76b3085ae2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07817",
    "kind": "arxiv",
    "version": 1
  }
}