Pith Number

pith:6NXIDW4B

pith:2021:6NXIDW4BEW2K6YQQXCJFSNKZ2H

not attested not anchored not stored refs pending

From Dense to Sparse: Contrastive Pruning for Better Pre-trained Language Model Compression

Baobao Chang, Chengyu Wang, Fei Huang, Fuli Luo, Jun Huang, Runxin Xu, Songfang Huang

arxiv:2112.07198 v1 · 2021-12-14 · 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{6NXIDW4BEW2K6YQQXCJFSNKZ2H}

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	2026-07-05T03:40:55.714609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f36e81db8125b4af6210b892593559d1c5323fc87f6fbea6177e0cfb36845844

Aliases

arxiv: 2112.07198 · arxiv_version: 2112.07198v1 · doi: 10.48550/arxiv.2112.07198 · pith_short_12: 6NXIDW4BEW2K · pith_short_16: 6NXIDW4BEW2K6YQQ · pith_short_8: 6NXIDW4B

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/6NXIDW4BEW2K6YQQXCJFSNKZ2H \
  | 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: f36e81db8125b4af6210b892593559d1c5323fc87f6fbea6177e0cfb36845844

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88dde7cea443ab00e309dd4298a762e2d258940b8766daa2503cb24c019f3557",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-14T07:14:09Z",
    "title_canon_sha256": "91c9237163c7a17a7aa01acba11327a57fa3898682df1eee1ade3e0e7911e2fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07198",
    "kind": "arxiv",
    "version": 1
  }
}