Pith Number

pith:H5YVGBKG

pith:2019:H5YVGBKGA3ZZSMSXX3BBMMGR4R

not attested not anchored not stored refs pending

Multi-Prototype Networks for Unconstrained Set-based Face Recognition

Fang Zhao, Hengzhu Liu, Jianshu Li, Jian Zhao, Jiashi Feng, Junliang Xing, Shuicheng Yan, Xiaoguang Tu, Yuan Xin

arxiv:1902.04755 v4 · 2019-02-13 · 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{H5YVGBKGA3ZZSMSXX3BBMMGR4R}

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	2026-05-17T23:50:36.023226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f7153054606f3993257bec21630d1e46c3473790708d513111a27d8a3d87991

Aliases

arxiv: 1902.04755 · arxiv_version: 1902.04755v4 · doi: 10.48550/arxiv.1902.04755 · pith_short_12: H5YVGBKGA3ZZ · pith_short_16: H5YVGBKGA3ZZSMSX · pith_short_8: H5YVGBKG

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/H5YVGBKGA3ZZSMSXX3BBMMGR4R \
  | 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: 3f7153054606f3993257bec21630d1e46c3473790708d513111a27d8a3d87991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83dc80e2a0485ff13aacc38bda5cabf10ec5d99ab699d97af70b28046a5737b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-13T06:02:46Z",
    "title_canon_sha256": "51e90c9e1e14c9a851c126b63a6b35f5a7fd39450ade9c2f1121a79e04d08781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04755",
    "kind": "arxiv",
    "version": 4
  }
}