Pith Number

pith:R2CTQSGC

pith:2019:R2CTQSGCARX6UJ7C3BM2A3HHDF

not attested not anchored not stored refs pending

Human Face Expressions from Images - 2D Face Geometry and 3D Face Local Motion versus Deep Neural Features

Rafal Pilarczyk, Wladyslaw Skarbek, Xin Chang

arxiv:1901.11179 v1 · 2019-01-31 · 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{R2CTQSGCARX6UJ7C3BM2A3HHDF}

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	2026-05-17T23:55:02.473335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e853848c2046fea27e2d859a06ce7197969c0f90b5b602758d2f3897e1c03c9

Aliases

arxiv: 1901.11179 · arxiv_version: 1901.11179v1 · doi: 10.48550/arxiv.1901.11179 · pith_short_12: R2CTQSGCARX6 · pith_short_16: R2CTQSGCARX6UJ7C · pith_short_8: R2CTQSGC

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/R2CTQSGCARX6UJ7C3BM2A3HHDF \
  | 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: 8e853848c2046fea27e2d859a06ce7197969c0f90b5b602758d2f3897e1c03c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91335d7c1a437cec2c9c967082a5664e994dd9de6b72706fdf417b9fa6ab8bae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-31T02:32:47Z",
    "title_canon_sha256": "dac588c40ac9c45fd3f5d964369d2aed9eca2a7feeb01f0dbeaf89d10d5171b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11179",
    "kind": "arxiv",
    "version": 1
  }
}