Pith Number

pith:FGLZH7QJ

pith:2017:FGLZH7QJ46CH7OGYME7ALBLBF3

not attested not anchored not stored refs pending

Generalized feedback vertex set problems on bounded-treewidth graphs: chordality is the key to single-exponential parameterized algorithms

D\'aniel Marx, \'Edouard Bonnet, Nick Brettell, O-joung Kwon

arxiv:1704.06757 v2 · 2017-04-22 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGLZH7QJ46CH7OGYME7ALBLBF3}

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	2026-07-05T03:08:52.968292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

299793fe09e7847fb8d8613e0585612ee0b0c906d6089ebe43f4302edff2fa0f

Aliases

arxiv: 1704.06757 · arxiv_version: 1704.06757v2 · doi: 10.48550/arxiv.1704.06757 · pith_short_12: FGLZH7QJ46CH · pith_short_16: FGLZH7QJ46CH7OGY · pith_short_8: FGLZH7QJ

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/FGLZH7QJ46CH7OGYME7ALBLBF3 \
  | 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: 299793fe09e7847fb8d8613e0585612ee0b0c906d6089ebe43f4302edff2fa0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1189d0e8721627540bebffa99f07b82d973fcc155cbcc83c5a9eeec73fcf9a5",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-04-22T06:29:10Z",
    "title_canon_sha256": "a7a15d9c601c121e56053bef193fb5f10a094152a1f2c510b7f530b558766500"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06757",
    "kind": "arxiv",
    "version": 2
  }
}