Pith Number

pith:DB2BKPDO

pith:2019:DB2BKPDOBIYVUCWBJRSVQC3JKW

not attested not anchored not stored refs pending

Extracting human emotions at different places based on facial expressions and spatial clustering analysis

Qingyuan Jia, Song Gao, Stephan Angsuesser, Teng Fei, Xiaohuan Zeng, Xinyue Ye, Yueyao Wang, Yuhao Kang, Yu Liu

arxiv:1905.01817 v1 · 2019-05-06 · cs.CV · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DB2BKPDOBIYVUCWBJRSVQC3JKW}

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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	2026-05-17T23:46:57.343810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1874153c6e0a315a0ac14c65580b6955b10247364dd6be1a9a355544cff6b3f1

Aliases

arxiv: 1905.01817 · arxiv_version: 1905.01817v1 · doi: 10.48550/arxiv.1905.01817 · pith_short_12: DB2BKPDOBIYV · pith_short_16: DB2BKPDOBIYVUCWB · pith_short_8: DB2BKPDO

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/DB2BKPDOBIYVUCWBJRSVQC3JKW \
  | 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: 1874153c6e0a315a0ac14c65580b6955b10247364dd6be1a9a355544cff6b3f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0053f6f1b6eb352576a7f40907d73819399242a671ce755886535f1be3f6f125",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-06T04:10:37Z",
    "title_canon_sha256": "bed2bc9e0eb91af43b247804ea68b550fa489e1267fbe21f0dcbae1936be4715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01817",
    "kind": "arxiv",
    "version": 1
  }
}