Pith Number

pith:PPZMHLPA

pith:2026:PPZMHLPATI7S74T2BEXNEMJHNQ

not attested not anchored not stored refs pending

SpotAttention: Plug-In Block-Sparse Routing for Pretrained Long-Context Transformers

Huzama Ahmad, Se-Young Yun

arxiv:2606.22874 v1 · 2026-06-22 · cs.LG · 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{PPZMHLPATI7S74T2BEXNEMJHNQ}

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	2026-06-23T03:14:02.764592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bf2c3ade09a3f2ff27a092ed231276c0ae6ec20a90e252cd898d6d1476f45a1

Aliases

arxiv: 2606.22874 · arxiv_version: 2606.22874v1 · doi: 10.48550/arxiv.2606.22874 · pith_short_12: PPZMHLPATI7S · pith_short_16: PPZMHLPATI7S74T2 · pith_short_8: PPZMHLPA

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/PPZMHLPATI7S74T2BEXNEMJHNQ \
  | 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: 7bf2c3ade09a3f2ff27a092ed231276c0ae6ec20a90e252cd898d6d1476f45a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738fd805d063d472414ac9930c69d8df33e27a22a8c7d5fb1227ba518487fba7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-22T05:39:12Z",
    "title_canon_sha256": "0e02c3cdcdd1d79e09c32c2720ac3a6f999d179e16f93dfd8490d8e6f7441751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22874",
    "kind": "arxiv",
    "version": 1
  }
}