Pith Number

pith:LAR2C6NS

pith:2025:LAR2C6NS3Q56AR6B5E7EZMMBC2

not attested not anchored not stored refs pending

SFi-Former: Sparse Flow Induced Attention for Graph Transformer

Bo Li, Ji Shi, Miao Zhang, Xinming Zhang, Zhonghao Li

arxiv:2504.20666 v1 · 2025-04-29 · 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{LAR2C6NS3Q56AR6B5E7EZMMBC2}

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	2026-07-05T10:55:46.680671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5823a179b2dc3be047c1e93e4cb18116b38c3fa96d42b1015d824e46e6171377

Aliases

arxiv: 2504.20666 · arxiv_version: 2504.20666v1 · doi: 10.48550/arxiv.2504.20666 · pith_short_12: LAR2C6NS3Q56 · pith_short_16: LAR2C6NS3Q56AR6B · pith_short_8: LAR2C6NS

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/LAR2C6NS3Q56AR6B5E7EZMMBC2 \
  | 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: 5823a179b2dc3be047c1e93e4cb18116b38c3fa96d42b1015d824e46e6171377

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0cbeef37bc02644dcd0c023aeb83c77ce9c4ad1bb61d033abe91cdc08e510ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-29T11:45:24Z",
    "title_canon_sha256": "9469ab65e1d5d2ee5414442bbddaa7f1a2dc4e7633483aa8e9685369420bc217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20666",
    "kind": "arxiv",
    "version": 1
  }
}