Pith Number

pith:KKFTSF5J

pith:2016:KKFTSF5JJGNLIJPXMRXBZ55LSJ

not attested not anchored not stored refs pending

Training Deep Networks for Facial Expression Recognition with Crowd-Sourced Label Distribution

Cha Zhang, Cristian Canton Ferrer, Emad Barsoum, Zhengyou Zhang

arxiv:1608.01041 v2 · 2016-08-03 · 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{KKFTSF5JJGNLIJPXMRXBZ55LSJ}

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	2026-05-18T01:03:56.641509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

528b3917a9499ab425f7646e1cf7ab9259ee42ae156988635970f243d73a184d

Aliases

arxiv: 1608.01041 · arxiv_version: 1608.01041v2 · doi: 10.48550/arxiv.1608.01041 · pith_short_12: KKFTSF5JJGNL · pith_short_16: KKFTSF5JJGNLIJPX · pith_short_8: KKFTSF5J

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/KKFTSF5JJGNLIJPXMRXBZ55LSJ \
  | 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: 528b3917a9499ab425f7646e1cf7ab9259ee42ae156988635970f243d73a184d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a613f721a90eb7c4604ce2c67ea72751d06cf4fee99d37f839e82170a51d7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-08-03T01:26:32Z",
    "title_canon_sha256": "547590874e13e165b5c5371e2a613be2a3d94846d0724464259a99c3f6227597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01041",
    "kind": "arxiv",
    "version": 2
  }
}