Pith Number

pith:JW6TBXAR

pith:2019:JW6TBXARW7PCMYU2BZJCBR6WJN

not attested not anchored not stored refs pending

Faster parameterized algorithm for Cluster Vertex Deletion

Dekel Tsur

arxiv:1901.07609 v1 · 2019-01-22 · 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{JW6TBXARW7PCMYU2BZJCBR6WJN}

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.

Cited by

1 paper in Pith

l-path vertex cover is easier than l-hitting set for small l

Receipt and verification

First computed	2026-05-17T23:55:42.059130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dbd30dc11b7de26629a0e5220c7d64b6f6a324e01476f1b6a7ba67687e97f4c

Aliases

arxiv: 1901.07609 · arxiv_version: 1901.07609v1 · doi: 10.48550/arxiv.1901.07609 · pith_short_12: JW6TBXARW7PC · pith_short_16: JW6TBXARW7PCMYU2 · pith_short_8: JW6TBXAR

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/JW6TBXARW7PCMYU2BZJCBR6WJN \
  | 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: 4dbd30dc11b7de26629a0e5220c7d64b6f6a324e01476f1b6a7ba67687e97f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26f95ae895d76207f233b0fd5a4a819df5bd8ca84325004db2599499af1c3a1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-01-22T20:33:34Z",
    "title_canon_sha256": "d5ed635dca0386565a6563f3d5cb8e45d7174607620e515a8cd201d112632622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07609",
    "kind": "arxiv",
    "version": 1
  }
}