Pith Number

pith:Q2KJM2DX

pith:2025:Q2KJM2DXOA5QOCZGSQPTV5UDAL

not attested not anchored not stored refs pending

The Sparse Frontier: Sparse Attention Trade-offs in Transformer LLMs

Edoardo M. Ponti, Kelly Marchisio, Piotr Nawrot, Renjie Huang, Robert Li, Sebastian Ruder

arxiv:2504.17768 v3 · 2025-04-24 · cs.CL · cs.LG

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

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\usepackage{pith}
\pithnumber{Q2KJM2DXOA5QOCZGSQPTV5UDAL}

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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

2 papers in Pith

VFA: Relieving Vector Operations in Flash Attention with Global Maximum Pre-computation

AsyncSparse: Accelerating Sparse Matrix-Matrix Multiplication on Asynchronous GPU Architectures

Receipt and verification

First computed	2026-06-24T00:14:20.485026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8694966877703b070b26941f3af68302f3e40617541b7f2430765f32cd6beb19

Aliases

arxiv: 2504.17768 · arxiv_version: 2504.17768v3 · doi: 10.48550/arxiv.2504.17768 · pith_short_12: Q2KJM2DXOA5Q · pith_short_16: Q2KJM2DXOA5QOCZG · pith_short_8: Q2KJM2DX

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/Q2KJM2DXOA5QOCZGSQPTV5UDAL \
  | 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: 8694966877703b070b26941f3af68302f3e40617541b7f2430765f32cd6beb19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51cbeca571d42972e8de6e97f075f9e3b6f3e2ed0d6b0163be5bc476b844d5d7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-24T17:39:25Z",
    "title_canon_sha256": "1df1905fe53accddf29d3ce4f5aff7c3fa5ea889cdc0656c1fcf25d947c85152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17768",
    "kind": "arxiv",
    "version": 3
  }
}