Pith Number

pith:R5WYEP3A

pith:2020:R5WYEP3AY4WMK5FQIIRDO2E7KC

not attested not anchored not stored refs pending

DRL-FAS: A Novel Framework Based on Deep Reinforcement Learning for Face Anti-Spoofing

Alex Chichung Kot, Changsheng Chen, Haoliang Li, Rizhao Cai, Shiqi Wang

arxiv:2009.07529 v2 · 2020-09-16 · 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{R5WYEP3AY4WMK5FQIIRDO2E7KC}

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	2026-07-05T01:38:21.143416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6d823f60c72cc574b0422237689f508dac58729affd82f3999dde7db6381b1

Aliases

arxiv: 2009.07529 · arxiv_version: 2009.07529v2 · doi: 10.48550/arxiv.2009.07529 · pith_short_12: R5WYEP3AY4WM · pith_short_16: R5WYEP3AY4WMK5FQ · pith_short_8: R5WYEP3A

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/R5WYEP3AY4WMK5FQIIRDO2E7KC \
  | 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: 8f6d823f60c72cc574b0422237689f508dac58729affd82f3999dde7db6381b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c0ce59f440ed0c286cbfbde4f1dc9d09d8ee9ac97be5cf7a543698a8caec25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-09-16T07:58:01Z",
    "title_canon_sha256": "4ec498c0f9ac52727ba2fec8beaab5c3ac4fbd6a3e34fddd3de4e9f89d39cee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07529",
    "kind": "arxiv",
    "version": 2
  }
}