Pith Number

pith:223XFFZL

pith:2019:223XFFZLGWMSYKMY54SRMYRJNI

not attested not anchored not stored refs pending

The General Pair-based Weighting Loss for Deep Metric Learning

Haijun Liu, Jian Cheng, Wen Wang, Yanzhou Su

arxiv:1905.12837 v1 · 2019-05-30 · 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{223XFFZLGWMSYKMY54SRMYRJNI}

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	2026-05-17T23:44:39.530245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b772972b35992c2998ef251662296a0c31c009b610735db947a054919a241a

Aliases

arxiv: 1905.12837 · arxiv_version: 1905.12837v1 · doi: 10.48550/arxiv.1905.12837 · pith_short_12: 223XFFZLGWMS · pith_short_16: 223XFFZLGWMSYKMY · pith_short_8: 223XFFZL

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/223XFFZLGWMSYKMY54SRMYRJNI \
  | 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: d6b772972b35992c2998ef251662296a0c31c009b610735db947a054919a241a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9af645868b3f2f93b075326d6f077b58813bef719bea4ce2d90d73bcae33914",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-30T02:59:26Z",
    "title_canon_sha256": "9d66cd0795a9d22b1e9562221e9099c2d8b3f713135f1e660533069016a1b25e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12837",
    "kind": "arxiv",
    "version": 1
  }
}