Pith Number

pith:N5NLRNB3

pith:2015:N5NLRNB3RRTW2POILKICHKVAAP

not attested not anchored not stored refs pending

Maximization Problems Parameterized Using Their Minimization Versions: The Case of Vertex Cover

Meirav Zehavi

arxiv:1503.06438 v1 · 2015-03-22 · 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{N5NLRNB3RRTW2POILKICHKVAAP}

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	2026-05-18T02:20:38.441767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5ab8b43b8c676d3dc85a9023aaa003da88bab4f1e2ac23f94bb53ddff2fe4e

Aliases

arxiv: 1503.06438 · arxiv_version: 1503.06438v1 · doi: 10.48550/arxiv.1503.06438 · pith_short_12: N5NLRNB3RRTW · pith_short_16: N5NLRNB3RRTW2POI · pith_short_8: N5NLRNB3

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/N5NLRNB3RRTW2POILKICHKVAAP \
  | 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: 6f5ab8b43b8c676d3dc85a9023aaa003da88bab4f1e2ac23f94bb53ddff2fe4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f310362e7ba62fa537d775cb9680f0f97d32c97a767711b902033c43b1803455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-03-22T15:28:55Z",
    "title_canon_sha256": "391ca3a9c2433f1dcefc664da605a704504c4faa81998c4a8467ee9e2796c437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06438",
    "kind": "arxiv",
    "version": 1
  }
}