Pith Number

pith:CIOD7FKL

pith:2022:CIOD7FKLW762GQ4YXFT2BGXM4Q

not attested not anchored not stored refs pending

Contrastive Learning with Prompt-derived Virtual Semantic Prototypes for Unsupervised Sentence Embedding

Jiali Zeng, Shuangzhi Wu, Yongjing Yin, Yufan Jiang, Yunbo Cao

arxiv:2211.03348 v2 · 2022-11-07 · 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{CIOD7FKLW762GQ4YXFT2BGXM4Q}

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	2026-07-05T05:23:59.382353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121c3f954bb7fda34398b967a09aece40c701c1eb7f90388a9e580d5774d20e5

Aliases

arxiv: 2211.03348 · arxiv_version: 2211.03348v2 · doi: 10.48550/arxiv.2211.03348 · pith_short_12: CIOD7FKLW762 · pith_short_16: CIOD7FKLW762GQ4Y · pith_short_8: CIOD7FKL

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/CIOD7FKLW762GQ4YXFT2BGXM4Q \
  | 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: 121c3f954bb7fda34398b967a09aece40c701c1eb7f90388a9e580d5774d20e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccaf91a37871e858fec35d0e404eeb087972cc465bca05a829d8a7a40242ccc1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-11-07T07:50:30Z",
    "title_canon_sha256": "7a723fb16ea1a821728fc3b550ef749392ea01ecd3b11ab3b0b543a534cb62e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.03348",
    "kind": "arxiv",
    "version": 2
  }
}