Pith Number

pith:TWL6NWHK

pith:2021:TWL6NWHKS6UQCHGCH53PPHVE65

not attested not anchored not stored refs pending

ESimCSE: Enhanced Sample Building Method for Contrastive Learning of Unsupervised Sentence Embedding

Chaochen Gao, Jizhong Han, Liangjun Zang, Songlin Hu, Xing Wu, Zhongyuan Wang

arxiv:2109.04380 v2 · 2021-09-09 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TWL6NWHKS6UQCHGCH53PPHVE65}

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	2026-07-05T04:56:11.898730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d97e6d8ea97a9011cc23f76f79ea4f7798fc93b076f53ad3853616caed72741

Aliases

arxiv: 2109.04380 · arxiv_version: 2109.04380v2 · doi: 10.48550/arxiv.2109.04380 · pith_short_12: TWL6NWHKS6UQ · pith_short_16: TWL6NWHKS6UQCHGC · pith_short_8: TWL6NWHK

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/TWL6NWHKS6UQCHGCH53PPHVE65 \
  | 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: 9d97e6d8ea97a9011cc23f76f79ea4f7798fc93b076f53ad3853616caed72741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a7294235dee401219cfca2d7f8e880d42f32b5810eea4afa61fe8bd2a2c49c4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-09T16:07:31Z",
    "title_canon_sha256": "c6cd68765bd985d36c651a2c1c51946dc0c5b5fb54b1806294aa5c60d4eb24c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04380",
    "kind": "arxiv",
    "version": 2
  }
}