Pith Number

pith:AS6QUG24

pith:2018:AS6QUG24OOFUVY7MB6S26VGQSE

not attested not anchored not stored refs pending

A novel database of Children's Spontaneous Facial Expressions (LIRIS-CSE)

Alexandre Meyer, Crenn Arthur, Rizwan Ahmed Khan, Saida Bouakaz

arxiv:1812.01555 v2 · 2018-12-04 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AS6QUG24OOFUVY7MB6S26VGQSE}

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	2026-05-17T23:50:06.703081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04bd0a1b5c738b4ae3ec0fa5af54d0913f0acf6d9d4b093f51e3f7e21aa444bb

Aliases

arxiv: 1812.01555 · arxiv_version: 1812.01555v2 · doi: 10.48550/arxiv.1812.01555 · pith_short_12: AS6QUG24OOFU · pith_short_16: AS6QUG24OOFUVY7M · pith_short_8: AS6QUG24

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/AS6QUG24OOFUVY7MB6S26VGQSE \
  | 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: 04bd0a1b5c738b4ae3ec0fa5af54d0913f0acf6d9d4b093f51e3f7e21aa444bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8451ddc822da7fa0e1e63a88c18b7c4327b58040b62393966ec126e551213e7f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-12-04T17:49:25Z",
    "title_canon_sha256": "a1576fd61316f0b06bdfedbd237be53f3ff347011afcc4ac43941bcb21cf620e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01555",
    "kind": "arxiv",
    "version": 2
  }
}