Pith Number

pith:QHFSLNAJ

pith:2013:QHFSLNAJXYJN7QGL3JBXUA7RSZ

not attested not anchored not stored refs pending

Faster Deterministic Algorithms for Packing, Matching and $t$-Dominating Set Problems

Shenshi Chen, Zhixiang Chen

arxiv:1306.3602 v1 · 2013-06-15 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHFSLNAJXYJN7QGL3JBXUA7RSZ}

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	2026-05-18T03:20:47.121167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81cb25b409be12dfc0cbda437a03f1965b971222ceea62fea6f53e1608b7a94a

Aliases

arxiv: 1306.3602 · arxiv_version: 1306.3602v1 · doi: 10.48550/arxiv.1306.3602 · pith_short_12: QHFSLNAJXYJN · pith_short_16: QHFSLNAJXYJN7QGL · pith_short_8: QHFSLNAJ

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/QHFSLNAJXYJN7QGL3JBXUA7RSZ \
  | 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: 81cb25b409be12dfc0cbda437a03f1965b971222ceea62fea6f53e1608b7a94a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a1d3dd3a2b335b15aea199ece1a021ac837268d2e1679add9896a231bc8707e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-06-15T19:48:52Z",
    "title_canon_sha256": "51a10b06338ebd453cd5ca35c2a8fa35bc32f6d10dcc9fb069f63d474ae7e152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3602",
    "kind": "arxiv",
    "version": 1
  }
}