Pith Number

pith:WQOFSPLK

pith:2017:WQOFSPLKFTAXEYAKYJ6GZUJ56V

not attested not anchored not stored refs pending

Emotion Recognition by Body Movement Representation on the Manifold of Symmetric Positive Definite Matrices

Alberto Del Bimbo, Mohamed Daoudi, Pietro Pala, Stefano Berretti, Yvonne Delevoye

arxiv:1707.07180 v1 · 2017-07-22 · 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{WQOFSPLKFTAXEYAKYJ6GZUJ56V}

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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.

Receipt and verification

First computed	2026-05-18T00:39:45.089562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b41c593d6a2cc172600ac27c6cd13df55354bc8fa30e951df46f40f987099416

Aliases

arxiv: 1707.07180 · arxiv_version: 1707.07180v1 · doi: 10.48550/arxiv.1707.07180 · pith_short_12: WQOFSPLKFTAX · pith_short_16: WQOFSPLKFTAXEYAK · pith_short_8: WQOFSPLK

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/WQOFSPLKFTAXEYAKYJ6GZUJ56V \
  | 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: b41c593d6a2cc172600ac27c6cd13df55354bc8fa30e951df46f40f987099416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc16e01259766a170d93878a331f45229e975acc26eff0493798d1cac2fa2f45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-22T15:55:56Z",
    "title_canon_sha256": "4024407fb8df363a8f22d1078654a407651c908caee09b585376f2dca04e159a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07180",
    "kind": "arxiv",
    "version": 1
  }
}