Pith Number

pith:MD3XAE7Y

pith:2022:MD3XAE7YPCPB2NA23H6DCFRTPQ

not attested not anchored not stored refs pending

A Unified Framework for Masked and Mask-Free Face Recognition via Feature Rectification

Chaofeng Chen, Kwan-Yee K. Wong, Shaozhe Hao, Zhenfang Chen

arxiv:2202.07358 v1 · 2022-02-15 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MD3XAE7YPCPB2NA23H6DCFRTPQ}

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	2026-07-05T03:56:59.592429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60f77013f8789e1d341ad9fc3116337c147c6a5d4d906f1ec0cf720563b2014e

Aliases

arxiv: 2202.07358 · arxiv_version: 2202.07358v1 · doi: 10.48550/arxiv.2202.07358 · pith_short_12: MD3XAE7YPCPB · pith_short_16: MD3XAE7YPCPB2NA2 · pith_short_8: MD3XAE7Y

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/MD3XAE7YPCPB2NA23H6DCFRTPQ \
  | 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: 60f77013f8789e1d341ad9fc3116337c147c6a5d4d906f1ec0cf720563b2014e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7409a9284286cc20f21e355fa314be8a7c04e3b6a82db853fc5b05ec9a390466",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-15T12:37:59Z",
    "title_canon_sha256": "9a9b956ea1011b404c01b8750480a05ae49eb11a3b12622730173f53fdc1f046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07358",
    "kind": "arxiv",
    "version": 1
  }
}