Pith Number

pith:U2GRC4Q3

pith:2025:U2GRC4Q3I42WQT33DKDIVD7V6E

not attested not anchored not stored refs pending

A Proximal Operator for Inducing 2:4-Sparsity

George Karypis, Jonas M K\"ubler, Kailash Budhathoki, Matth\"aus Kleindessner, Navid Ansari, Shoham Sabach, Volkan Cevher, Yu-Xiang Wang

arxiv:2501.18015 v1 · 2025-01-29 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2GRC4Q3I42WQT33DKDIVD7V6E}

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

ProxSparse: Regularized Learning of Semi-Structured Sparsity Masks for Pretrained LLMs

Receipt and verification

First computed	2026-07-05T11:59:57.047391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68d11721b4735684f7b1a868a8ff5f11adc5a20b011fed2a3801f08e918d2f2

Aliases

arxiv: 2501.18015 · arxiv_version: 2501.18015v1 · doi: 10.48550/arxiv.2501.18015 · pith_short_12: U2GRC4Q3I42W · pith_short_16: U2GRC4Q3I42WQT33 · pith_short_8: U2GRC4Q3

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/U2GRC4Q3I42WQT33DKDIVD7V6E \
  | 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: a68d11721b4735684f7b1a868a8ff5f11adc5a20b011fed2a3801f08e918d2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f3c4fea0d8c356c265c2d1001a5495293f4d4461becbc29d2aebd69ad3a3ce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-29T22:05:17Z",
    "title_canon_sha256": "8148ffa3291fab291191e23998d25f3f79e441a0a69e02d373427f22d3fcfce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18015",
    "kind": "arxiv",
    "version": 1
  }
}