Pith Number

pith:EHLGDW7P

pith:2014:EHLGDW7P6HFTZNGH6GNAUW7QOF

not attested not anchored not stored refs pending

Algorithms parameterized by vertex cover and modular width, through potential maximal cliques

Fedor V. Fomin, Ioan Todinca, Mathieu Liedloff, Pedro Montealegre

arxiv:1404.3882 v1 · 2014-04-15 · 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{EHLGDW7P6HFTZNGH6GNAUW7QOF}

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	2026-05-18T02:54:13.423149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21d661dbeff1cb3cb4c7f19a0a5bf07164830d8dc641ea49e28946bdfe67465d

Aliases

arxiv: 1404.3882 · arxiv_version: 1404.3882v1 · doi: 10.48550/arxiv.1404.3882 · pith_short_12: EHLGDW7P6HFT · pith_short_16: EHLGDW7P6HFTZNGH · pith_short_8: EHLGDW7P

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/EHLGDW7P6HFTZNGH6GNAUW7QOF \
  | 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: 21d661dbeff1cb3cb4c7f19a0a5bf07164830d8dc641ea49e28946bdfe67465d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7062b0118d99f3279df617bd0a4756521cc2b0aca15be38f98dafdf4a68bfde7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-15T12:01:55Z",
    "title_canon_sha256": "8658f8a91e778abd0298db3aefbbec4bfeb89ffc0fbf6af32730c2c233231a88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3882",
    "kind": "arxiv",
    "version": 1
  }
}