Pith Number

pith:EZ7OCXRA

pith:2021:EZ7OCXRAOZTCZFKQSW47SEJBMX

not attested not anchored not stored refs pending

Modeling Discriminative Representations for Out-of-Domain Detection with Supervised Contrastive Learning

Hong Xu, Huixing Jiang, Keqing He, Weiran Xu, Yanan Wu, Yuanmeng Yan, Zhiyuan Zeng, Zijun Liu

arxiv:2105.14289 v1 · 2021-05-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZ7OCXRAOZTCZFKQSW47SEJBMX}

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	2026-07-05T02:44:22.264243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267ee15e2076662c955095b9f9112165ea53436b6f6f8db0cb01202b3c7dc829

Aliases

arxiv: 2105.14289 · arxiv_version: 2105.14289v1 · doi: 10.48550/arxiv.2105.14289 · pith_short_12: EZ7OCXRAOZTC · pith_short_16: EZ7OCXRAOZTCZFKQ · pith_short_8: EZ7OCXRA

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/EZ7OCXRAOZTCZFKQSW47SEJBMX \
  | 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: 267ee15e2076662c955095b9f9112165ea53436b6f6f8db0cb01202b3c7dc829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5873799ed64723651ee6eb69c16301c1a4a80735ab504d47e2b10cbbd147868a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-05-29T12:54:22Z",
    "title_canon_sha256": "48a883b422a0d017c5cf2f2c2d29aee363f888477c293e9007325764abd3efed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14289",
    "kind": "arxiv",
    "version": 1
  }
}