Pith Number

pith:VSZ5HPHD

pith:2019:VSZ5HPHDAAPFS433JS7JJ63QI2

not attested not anchored not stored refs pending

Using image-extracted features to determine heart rate and blink duration for driver sleepiness detection

Armin Mohammadie-Zand, Erfan Darzi, Hamid Soltanian-Zadeh

arxiv:1911.01333 v2 · 2019-11-04 · 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{VSZ5HPHDAAPFS433JS7JJ63QI2}

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	2026-07-05T00:24:42.259725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb3d3bce3001e59737b4cbe94fb7046b422783a74cb6611cf6098bd7ee0113b

Aliases

arxiv: 1911.01333 · arxiv_version: 1911.01333v2 · doi: 10.48550/arxiv.1911.01333 · pith_short_12: VSZ5HPHDAAPF · pith_short_16: VSZ5HPHDAAPFS433 · pith_short_8: VSZ5HPHD

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/VSZ5HPHDAAPFS433JS7JJ63QI2 \
  | 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: acb3d3bce3001e59737b4cbe94fb7046b422783a74cb6611cf6098bd7ee0113b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4fa58db5514d1092776ca5861d82da11f73cb9c1188a770509a4db52159245",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-11-04T16:52:28Z",
    "title_canon_sha256": "a27461df9509bd35cd12a36c9c4c8f12b170bedb81ee702f3347c2049b9e7b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01333",
    "kind": "arxiv",
    "version": 2
  }
}