Pith Number

pith:B5PKKP3K

pith:2021:B5PKKP3KF5BPPBDTHIZ5O2CCYR

not attested not anchored not stored refs pending

WhiteningBERT: An Easy Unsupervised Sentence Embedding Approach

Daxin Jiang, Duyu Tang, Junjie Huang, Linjun Shou, Ming Gong, Nan Duan, Shuai Lu, Wanjun Zhong

arxiv:2104.01767 v3 · 2021-04-05 · 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{B5PKKP3KF5BPPBDTHIZ5O2CCYR}

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.

Cited by

1 paper in Pith

SimCSE: Simple Contrastive Learning of Sentence Embeddings

Receipt and verification

First computed	2026-07-05T02:30:32.789323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5ea53f6a2f42f784733a33d76842c46fa2e85f95e9fcd4a802fd86e29355cf

Aliases

arxiv: 2104.01767 · arxiv_version: 2104.01767v3 · doi: 10.48550/arxiv.2104.01767 · pith_short_12: B5PKKP3KF5BP · pith_short_16: B5PKKP3KF5BPPBDT · pith_short_8: B5PKKP3K

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/B5PKKP3KF5BPPBDTHIZ5O2CCYR \
  | 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: 0f5ea53f6a2f42f784733a33d76842c46fa2e85f95e9fcd4a802fd86e29355cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8505255dbf37fe37992f0dadcb36d1f74f5fd4e9a9d87056c2fe6d463d614dc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-05T04:30:28Z",
    "title_canon_sha256": "777feed218cdf03042cc26070d07ef7db9fa975919a11ee76f3bef85038dc96c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01767",
    "kind": "arxiv",
    "version": 3
  }
}