Pith Number

pith:RCNWYIWW

pith:2018:RCNWYIWW2AI4ET65HR6UZNQJGL

not attested not anchored not stored refs pending

Automated Pain Detection from Facial Expressions using FACS: A Review

Diana Wilkie, Rashid Ansari, Zhanli Chen

arxiv:1811.07988 v1 · 2018-11-13 · cs.CV · cs.LG · eess.IV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCNWYIWW2AI4ET65HR6UZNQJGL}

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	2026-05-18T00:00:17.203090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

889b6c22d6d011c24fdd3c7d4cb60932f6d0cb6b79142499d70a254805b00087

Aliases

arxiv: 1811.07988 · arxiv_version: 1811.07988v1 · doi: 10.48550/arxiv.1811.07988 · pith_short_12: RCNWYIWW2AI4 · pith_short_16: RCNWYIWW2AI4ET65 · pith_short_8: RCNWYIWW

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/RCNWYIWW2AI4ET65HR6UZNQJGL \
  | 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: 889b6c22d6d011c24fdd3c7d4cb60932f6d0cb6b79142499d70a254805b00087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b47acbd7f133fc8b47556fb1b927581575ac04f0bce9ab13296bc5bd11381e",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-13T22:59:24Z",
    "title_canon_sha256": "7579c92817c0cf20b063b1f0aa573ac302321f4fea032428d06f9a95aaa268bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07988",
    "kind": "arxiv",
    "version": 1
  }
}