Pith Number

pith:2DUO3OU7

pith:2019:2DUO3OU7G2T2A2PDTCDV5LHGYQ

not attested not anchored not stored refs pending

FeatherNets: Convolutional Neural Networks as Light as Feather for Face Anti-spoofing

Fuhao Zou, Juan Zhao, Kai Li, Michael Fu, Nengli Dai, Peng Zhang, Skarpness Mark, Zhiwen Wu

arxiv:1904.09290 v1 · 2019-04-22 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DUO3OU7G2T2A2PDTCDV5LHGYQ}

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	2026-05-17T23:48:07.452077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0e8edba9f36a7a069e398875eace6c4317c3e752a042fa2140655cee09dd389

Aliases

arxiv: 1904.09290 · arxiv_version: 1904.09290v1 · doi: 10.48550/arxiv.1904.09290 · pith_short_12: 2DUO3OU7G2T2 · pith_short_16: 2DUO3OU7G2T2A2PD · pith_short_8: 2DUO3OU7

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/2DUO3OU7G2T2A2PDTCDV5LHGYQ \
  | 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: d0e8edba9f36a7a069e398875eace6c4317c3e752a042fa2140655cee09dd389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3941ee16ec5fc618bf2c54962966bc4a12ace59f9beb257c8ac8448d8ed2d114",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-22T05:04:36Z",
    "title_canon_sha256": "706b953430dccd3381bab8a7770588f6e83fb078034ebca1611c3a06d94e83af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09290",
    "kind": "arxiv",
    "version": 1
  }
}