Pith Number

pith:WX3T7DG3

pith:2013:WX3T7DG3SYMN25LXJTBAFB3RLR

not attested not anchored not stored refs pending

GPU accelerated maximum cardinality matching algorithms for bipartite graphs

Bora Ucar, Kamer Kaya, Mehmet Deveci, Umit V. Catalyurek

arxiv:1303.1379 v1 · 2013-03-06 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WX3T7DG3SYMN25LXJTBAFB3RLR}

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	2026-05-18T03:31:43.681987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f73f8cdb9618dd75774cc20287715c7a8cd37dabd3e5c4dcfb457153154fa0

Aliases

arxiv: 1303.1379 · arxiv_version: 1303.1379v1 · doi: 10.48550/arxiv.1303.1379 · pith_short_12: WX3T7DG3SYMN · pith_short_16: WX3T7DG3SYMN25LX · pith_short_8: WX3T7DG3

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/WX3T7DG3SYMN25LXJTBAFB3RLR \
  | 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: b5f73f8cdb9618dd75774cc20287715c7a8cd37dabd3e5c4dcfb457153154fa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b0d2ae01bfc3edaa080cfd9a4a495b36a92ca8f5bea0a3a4273ac3884151a95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-03-06T16:38:37Z",
    "title_canon_sha256": "979e5e13c68c329d15f5554939de33ed8428f52b8a4d96e7da29c707fcb87c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1379",
    "kind": "arxiv",
    "version": 1
  }
}