Pith Number

pith:AV4HS7XG

pith:2018:AV4HS7XGJYK64J464NZFVINITB

not attested not anchored not stored refs pending

Covering with Clubs: Complexity and Approximability

Florian Sikora, Giancarlo Mauri, Italo Zoppis, Riccardo Dondi

arxiv:1806.01119 v1 · 2018-06-04 · 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{AV4HS7XGJYK64J464NZFVINITB}

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	2026-05-18T00:14:17.413122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0578797ee64e15ee279ee3725aa1a89862eeebd7bc8bd329d6a7851708f88341

Aliases

arxiv: 1806.01119 · arxiv_version: 1806.01119v1 · doi: 10.48550/arxiv.1806.01119 · pith_short_12: AV4HS7XGJYK6 · pith_short_16: AV4HS7XGJYK64J46 · pith_short_8: AV4HS7XG

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/AV4HS7XGJYK64J464NZFVINITB \
  | 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: 0578797ee64e15ee279ee3725aa1a89862eeebd7bc8bd329d6a7851708f88341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d8eee7c41fb397757d3973702feccbe76f787448b5360bd467d34247447339e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-04T13:51:29Z",
    "title_canon_sha256": "d9d36749aac4b260ab3757f5549d3fbf0bde3672dce8232de7c23199c91b2bd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01119",
    "kind": "arxiv",
    "version": 1
  }
}