Pith Number

pith:YZZVAWST

pith:2025:YZZVAWST2F4YU2RRHWJ7HHMV7Q

not attested not anchored not stored refs pending

A Fixed Parameter Tractable Approach for Solving the Vertex Cover Problem in Polynomial Time Complexity

Mumuksh Tayal

arxiv:2507.09377 v1 · 2025-07-12 · 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{YZZVAWST2F4YU2RRHWJ7HHMV7Q}

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	2026-07-05T11:36:07.943703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c673505a53d1798a6a313d93f39d95fc17f768c26c2b9edd52e2573c27bda790

Aliases

arxiv: 2507.09377 · arxiv_version: 2507.09377v1 · doi: 10.48550/arxiv.2507.09377 · pith_short_12: YZZVAWST2F4Y · pith_short_16: YZZVAWST2F4YU2RR · pith_short_8: YZZVAWST

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/YZZVAWST2F4YU2RRHWJ7HHMV7Q \
  | 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: c673505a53d1798a6a313d93f39d95fc17f768c26c2b9edd52e2573c27bda790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cab711dd31e9f8b334f8d49d0ace782b1cd569d7098a01beb891d2beca8170a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-07-12T18:49:32Z",
    "title_canon_sha256": "f28fce7b12975fcf288ce9984215aec082de5cdf872bce686759a2ccfa428ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09377",
    "kind": "arxiv",
    "version": 1
  }
}