Pith Number

pith:AMSXYCY7

pith:2026:AMSXYCY7PRK6X5ONIOI3GFXDO7

not attested not anchored not stored refs pending

Prism: Spectral-Aware Block-Sparse Attention

Fangxu Liu, Jason Chu, Kai Song, Pengyu Wang, Xiaoran Liu, Xinghao Wang, Xipeng Qiu

arxiv:2602.08426 v2 · 2026-02-09 · cs.CL · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AMSXYCY7PRK6X5ONIOI3GFXDO7}

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

Full Attention Strikes Back: Transferring Full Attention into Sparse within Hundred Training Steps

Receipt and verification

First computed	2026-05-26T02:04:05.725070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03257c0b1f7c55ebf5cd4391b316e377e290e122578cd9fef3edd6cb7c7321f0

Aliases

arxiv: 2602.08426 · arxiv_version: 2602.08426v2 · doi: 10.48550/arxiv.2602.08426 · pith_short_12: AMSXYCY7PRK6 · pith_short_16: AMSXYCY7PRK6X5ON · pith_short_8: AMSXYCY7

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/AMSXYCY7PRK6X5ONIOI3GFXDO7 \
  | 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: 03257c0b1f7c55ebf5cd4391b316e377e290e122578cd9fef3edd6cb7c7321f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eacacd6e4fb7f442f28c10e516f3a28e8a0e68fea1270c77b96ec665002ad255",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-09T09:31:06Z",
    "title_canon_sha256": "514896451a5188556104925ca8886786d84c16aa75f5d400272a06961e5520c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.08426",
    "kind": "arxiv",
    "version": 2
  }
}