Pith Number

pith:WDXGNJSD

pith:2026:WDXGNJSD233AS7O6HCMLXEXG3U

not attested not anchored not stored refs pending

WingSpan: Concurrency and Dependence for Sparse and Structured Tensor Compilers

Adrian Gushin, Sang Yoon Kim, Willow Ahrens

arxiv:2606.20855 v1 · 2026-06-18 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDXGNJSD233AS7O6HCMLXEXG3U}

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	2026-06-23T00:12:00.948468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ee66a643d6f6097dde3898bb92e6dd32fced5e5b520d01178fe9aa137e0a54

Aliases

arxiv: 2606.20855 · arxiv_version: 2606.20855v1 · doi: 10.48550/arxiv.2606.20855 · pith_short_12: WDXGNJSD233A · pith_short_16: WDXGNJSD233AS7O6 · pith_short_8: WDXGNJSD

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/WDXGNJSD233AS7O6HCMLXEXG3U \
  | 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: b0ee66a643d6f6097dde3898bb92e6dd32fced5e5b520d01178fe9aa137e0a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2f4425116c32203f48cfb647d09c5864075136f6072d663a2ffced9b88a260d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2026-06-18T18:42:07Z",
    "title_canon_sha256": "704448b40e5678feeec9b885bf2b62f5b3da4a6d04b979c5f48caa905dcea317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20855",
    "kind": "arxiv",
    "version": 1
  }
}