Pith Number

pith:2C3ZOYEY

pith:2011:2C3ZOYEYLNPFNL6GSJDSKZUPTV

not attested not anchored not stored refs pending

Efficient Algorithms for Dualizing Large-Scale Hypergraphs

Keisuke Murakami, Takeaki Uno

arxiv:1102.3813 v2 · 2011-02-18 · 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{2C3ZOYEYLNPFNL6GSJDSKZUPTV}

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	2026-05-18T04:28:09.214811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0b79760985b5e56afc6924725668f9d6bf6f9409c676bd897ac3e6cdface348

Aliases

arxiv: 1102.3813 · arxiv_version: 1102.3813v2 · doi: 10.48550/arxiv.1102.3813 · pith_short_12: 2C3ZOYEYLNPF · pith_short_16: 2C3ZOYEYLNPFNL6G · pith_short_8: 2C3ZOYEY

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/2C3ZOYEYLNPFNL6GSJDSKZUPTV \
  | 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: d0b79760985b5e56afc6924725668f9d6bf6f9409c676bd897ac3e6cdface348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4562addce4625fb909842efd061c13c26a5f0010602fcacf2ed8eec41767e6a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-18T11:51:28Z",
    "title_canon_sha256": "d7d3b3556cd01d1c3db54df4d0c0fe2d10bf5cc4a5514c9e3cb28c61ed8d221e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3813",
    "kind": "arxiv",
    "version": 2
  }
}