Pith Number

pith:VREX3YTY

pith:2019:VREX3YTY2UGEWCDSJSURAN2QBK

not attested not anchored not stored refs pending

FERAtt: Facial Expression Recognition with Attention Net

Alexandre Cunha, Fidel A. Guerrero Pe\~na, Pedro D. Marrero Fernandez, Tsang Ing Ren

arxiv:1902.03284 v1 · 2019-02-08 · 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{VREX3YTY2UGEWCDSJSURAN2QBK}

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	2026-05-17T23:54:21.382939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac497de278d50c4b08724ca91037500aa545a099b25cd6e5527d9b84e6f052bb

Aliases

arxiv: 1902.03284 · arxiv_version: 1902.03284v1 · doi: 10.48550/arxiv.1902.03284 · pith_short_12: VREX3YTY2UGE · pith_short_16: VREX3YTY2UGEWCDS · pith_short_8: VREX3YTY

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/VREX3YTY2UGEWCDSJSURAN2QBK \
  | 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: ac497de278d50c4b08724ca91037500aa545a099b25cd6e5527d9b84e6f052bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "703ce2103e4148bf04323788c5e5e215e11eda8c41f7997346083227d8f9a37f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-08T20:39:53Z",
    "title_canon_sha256": "fc7c08d620f6ba4d3609735a6e3707966f22f474822ae17f7ec1eba0f964546a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03284",
    "kind": "arxiv",
    "version": 1
  }
}