Pith Number

pith:WZ2SUPOH

pith:2026:WZ2SUPOHNZ62K7RDDWHYKBSBLT

not attested not anchored not stored refs pending

Stem: Rethinking Causal Information Flow in Sparse Attention

Guanghua Yu, Jianchen Zhu, Linchuan Xie, Lin Niu, S Kevin Zhou, Xin Luo, Yifu Sun

arxiv:2603.06274 v2 · 2026-03-06 · 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{WZ2SUPOHNZ62K7RDDWHYKBSBLT}

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	2026-08-03T01:14:08.580898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6752a3dc76e7da57e231d8f8506415cca260a92241a53c0b92b6e8ed13f4afa

Aliases

arxiv: 2603.06274 · arxiv_version: 2603.06274v2 · doi: 10.48550/arxiv.2603.06274 · pith_short_12: WZ2SUPOHNZ62 · pith_short_16: WZ2SUPOHNZ62K7RD · pith_short_8: WZ2SUPOH

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/WZ2SUPOHNZ62K7RDDWHYKBSBLT \
  | 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: b6752a3dc76e7da57e231d8f8506415cca260a92241a53c0b92b6e8ed13f4afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6424064e8315bfae309e9d4021e00ff5b9e99598bf07a5d86322e6ee73859f1b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-03-06T13:33:29Z",
    "title_canon_sha256": "caa84f17b6510fab4af3ccada771a5202362f7e67c48eaf3c5b191d6993f9634"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.06274",
    "kind": "arxiv",
    "version": 2
  }
}