Pith Number

pith:VRMCBIZP

pith:2019:VRMCBIZPHSMFWZ2DVMHJYKGPLZ

not attested not anchored not stored refs pending

Occlusion Robust Face Recognition Based on Mask Learning with PairwiseDifferential Siamese Network

Changsong Liu, Dihong Gong, Lingxue Song, Wei Liu, ZhiFeng Li

arxiv:1908.06290 v1 · 2019-08-17 · 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{VRMCBIZPHSMFWZ2DVMHJYKGPLZ}

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	2026-07-04T23:58:14.274796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5820a32f3c985b6743ab0e9c28cf5e71d9a58423f86f1640c51fe7cd6bf418

Aliases

arxiv: 1908.06290 · arxiv_version: 1908.06290v1 · doi: 10.48550/arxiv.1908.06290 · pith_short_12: VRMCBIZPHSMF · pith_short_16: VRMCBIZPHSMFWZ2D · pith_short_8: VRMCBIZP

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/VRMCBIZPHSMFWZ2DVMHJYKGPLZ \
  | 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: ac5820a32f3c985b6743ab0e9c28cf5e71d9a58423f86f1640c51fe7cd6bf418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8992752192c3ce00a298e991a82a463c9f4cf85a187149a93e26ee3672678f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-17T10:49:50Z",
    "title_canon_sha256": "5a8971112dd51596eaff88352ab706f1fdf0a52262e48b05f5ccca0848ffda12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06290",
    "kind": "arxiv",
    "version": 1
  }
}