Pith Number

pith:4MAVMDHZ

pith:2018:4MAVMDHZOIR5MZPADXQF6IP45X

not attested not anchored not stored refs pending

Automatic Analysis of Facial Expressions Based on Deep Covariance Trajectories

Anis Kacem, Lahoucine Ballihi, Mohamed Daoudi, Naima Otberdout, Stefano Berretti

arxiv:1810.11392 v3 · 2018-10-25 · 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{4MAVMDHZOIR5MZPADXQF6IP45X}

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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

Fitting, Comparison, and Alignment of Trajectories on Positive Semi-Definite Matrices with Application to Action Recognition

Receipt and verification

First computed	2026-07-05T00:23:47.808352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e301560cf97223d665e01de05f21fcede46ea07d09dd4922f2b153ab417b3bdd

Aliases

arxiv: 1810.11392 · arxiv_version: 1810.11392v3 · doi: 10.48550/arxiv.1810.11392 · pith_short_12: 4MAVMDHZOIR5 · pith_short_16: 4MAVMDHZOIR5MZPA · pith_short_8: 4MAVMDHZ

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/4MAVMDHZOIR5MZPADXQF6IP45X \
  | 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: e301560cf97223d665e01de05f21fcede46ea07d09dd4922f2b153ab417b3bdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7682c86de15d3296b74584056c2a3108aff065bee3bdecff32377d52a07270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-10-25T15:00:20Z",
    "title_canon_sha256": "8f111a9897de5039e85e66ff3e01cea9591408df8a98873e0fd5cd16957bb3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11392",
    "kind": "arxiv",
    "version": 3
  }
}