Pith Number

pith:JJC4EH4A

pith:2019:JJC4EH4AXQ2F5S3FEYDXXARKVE

not attested not anchored not stored refs pending

A Fine-Grained Facial Expression Database for End-to-End Multi-Pose Facial Expression Recognition

Chenjie Cao, Guoqiang Xu, Han Qiu, Qiang Sun, Tao Chen, Wenxuan Wang, Yanwei Fu, Ziqi Zheng

arxiv:1907.10838 v1 · 2019-07-25 · 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{JJC4EH4AXQ2F5S3FEYDXXARKVE}

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	2026-05-17T23:39:34.350114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a45c21f80bc345ecb6526077b822aa930eabcd645d9b2eca86d64bb36aa0176

Aliases

arxiv: 1907.10838 · arxiv_version: 1907.10838v1 · doi: 10.48550/arxiv.1907.10838 · pith_short_12: JJC4EH4AXQ2F · pith_short_16: JJC4EH4AXQ2F5S3F · pith_short_8: JJC4EH4A

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/JJC4EH4AXQ2F5S3FEYDXXARKVE \
  | 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: 4a45c21f80bc345ecb6526077b822aa930eabcd645d9b2eca86d64bb36aa0176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05f9648aa74bb8c232bd95ae55e063c78338a1c8b0e04d9de5dfb8c1b9f8a2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-25T04:58:33Z",
    "title_canon_sha256": "ef3f97bc1376baaf8673f18bc9fbd7aa3520b1becf331f692119ca39e16762f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10838",
    "kind": "arxiv",
    "version": 1
  }
}