Pith Number

pith:JV2LRBMV

pith:2025:JV2LRBMVW3GMTFHT7UGHK52X5U

not attested not anchored not stored refs pending

Optimizing Sentence Embedding with Pseudo-Labeling and Model Ensembles: A Hierarchical Framework for Enhanced NLP Tasks

Lifu Gao, Qi Zhang, Ziwei Liu

arxiv:2501.15876 v1 · 2025-01-27 · 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{JV2LRBMVW3GMTFHT7UGHK52X5U}

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	2026-07-05T10:05:51.502179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d74b88595b6ccc994f3fd0c757757ed11134e0365219ec8f5dc1c94b138fed8

Aliases

arxiv: 2501.15876 · arxiv_version: 2501.15876v1 · doi: 10.48550/arxiv.2501.15876 · pith_short_12: JV2LRBMVW3GM · pith_short_16: JV2LRBMVW3GMTFHT · pith_short_8: JV2LRBMV

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/JV2LRBMVW3GMTFHT7UGHK52X5U \
  | 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: 4d74b88595b6ccc994f3fd0c757757ed11134e0365219ec8f5dc1c94b138fed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe94ade9ae775868f0e97dbddda425498c50565f55ac31b20b81c698fb62616a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-27T09:02:42Z",
    "title_canon_sha256": "a31a862fe93bd161d0b95d7f789a68547237aaa7b14167d84bdfbb40ad88f0f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15876",
    "kind": "arxiv",
    "version": 1
  }
}