Pith Number

pith:GPKATXYD

pith:2023:GPKATXYD2EVNB23OP2GJGJSBEC

not attested not anchored not stored refs pending

Contrastive Label Enhancement

Jihua Zhu, Wenbiao Yan, Xinyuan Liu, Yifei Wang, Yiyang Zhou, Zhiqiang Tian

arxiv:2305.09500 v1 · 2023-05-16 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPKATXYD2EVNB23OP2GJGJSBEC}

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	2026-07-05T06:10:48.654639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d409df03d12ad0eb6e7e8c93264120a0f524b2fd52080ad5710a41ba1e5378

Aliases

arxiv: 2305.09500 · arxiv_version: 2305.09500v1 · doi: 10.48550/arxiv.2305.09500 · pith_short_12: GPKATXYD2EVN · pith_short_16: GPKATXYD2EVNB23O · pith_short_8: GPKATXYD

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/GPKATXYD2EVNB23OP2GJGJSBEC \
  | 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: 33d409df03d12ad0eb6e7e8c93264120a0f524b2fd52080ad5710a41ba1e5378

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fa93b18aa5523594d76a02ff3e3909174e66469941e25d1988fc035f5d2e0fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-05-16T14:53:07Z",
    "title_canon_sha256": "7bac19308e21d9a341f6c560a81486362ec00e85ba918fb7b9fd15e16dac6280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.09500",
    "kind": "arxiv",
    "version": 1
  }
}