Pith Number

pith:BMP6DCT2

pith:2012:BMP6DCT2R2CV2HLAAZ5HMDTNHA

not attested not anchored not stored refs pending

Dynamic Facial Expression of Emotion Made Easy

Chao Qu, Joost Broekens, Willem-Paul Brinkman

arxiv:1211.4500 v1 · 2012-11-19 · cs.HC · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMP6DCT2R2CV2HLAAZ5HMDTNHA}

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	2026-05-18T03:40:26.701560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1fe18a7a8e855d1d60067a760e6d380c10d0c6ad66de82370932560f158a55

Aliases

arxiv: 1211.4500 · arxiv_version: 1211.4500v1 · doi: 10.48550/arxiv.1211.4500 · pith_short_12: BMP6DCT2R2CV · pith_short_16: BMP6DCT2R2CV2HLA · pith_short_8: BMP6DCT2

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/BMP6DCT2R2CV2HLAAZ5HMDTNHA \
  | 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: 0b1fe18a7a8e855d1d60067a760e6d380c10d0c6ad66de82370932560f158a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1052b561c81371fbf0126969fbadfa19d7a4074a7b256d62ac5ee36dcd691fc9",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2012-11-19T17:10:50Z",
    "title_canon_sha256": "0b47e61942ff8b9f2c531a86a12ca75632a9e5a26a24f74e6d0c8d4263fd0ae9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4500",
    "kind": "arxiv",
    "version": 1
  }
}