Pith Number

pith:XLS66ENQ

pith:2013:XLS66ENQSXR2VOQE62K7G6NJMU

not attested not anchored not stored refs pending

Parameterized Exact and Approximation Algorithms for Maximum $k$-Set Cover and Related Satisfiability Problems

Edouard Bonnet, Florian Sikora, Vangelis Th. Paschos

arxiv:1309.4718 v3 · 2013-09-18 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLS66ENQSXR2VOQE62K7G6NJMU}

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	2026-05-18T01:03:53.676653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae5ef11b095e3aaba04f695f379a965249bd0abdfa4ae4b96d3f315551c4fd4

Aliases

arxiv: 1309.4718 · arxiv_version: 1309.4718v3 · doi: 10.48550/arxiv.1309.4718 · pith_short_12: XLS66ENQSXR2 · pith_short_16: XLS66ENQSXR2VOQE · pith_short_8: XLS66ENQ

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/XLS66ENQSXR2VOQE62K7G6NJMU \
  | 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: bae5ef11b095e3aaba04f695f379a965249bd0abdfa4ae4b96d3f315551c4fd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36b78dc98537f56fb93d6b6a46a6750cc113c01cd2e54318adff02124135e1d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-09-18T17:40:53Z",
    "title_canon_sha256": "adcec8309028a4dc133a3273bb9711f4a9aa2077b58abc784bbb367a2e0a6584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4718",
    "kind": "arxiv",
    "version": 3
  }
}