Pith Number

pith:43GDJ76Q

pith:2018:43GDJ76QX77LAJJ6WMK5S5OCJO

not attested not anchored not stored refs pending

Parameterized Complexity of Independent Set in H-Free Graphs

\'Edouard Bonnet, Nicolas Bousquet, Pierre Charbit, R\'emi Watrigant, St\'ephan Thomass\'e

arxiv:1810.04620 v2 · 2018-10-10 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43GDJ76QX77LAJJ6WMK5S5OCJO}

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	2026-05-17T23:53:09.229762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6cc34ffd0bffeb0253eb315d975c24bb4cc66f4ed02882e808a11aa96f4b05b

Aliases

arxiv: 1810.04620 · arxiv_version: 1810.04620v2 · doi: 10.48550/arxiv.1810.04620 · pith_short_12: 43GDJ76QX77L · pith_short_16: 43GDJ76QX77LAJJ6 · pith_short_8: 43GDJ76Q

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/43GDJ76QX77LAJJ6WMK5S5OCJO \
  | 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: e6cc34ffd0bffeb0253eb315d975c24bb4cc66f4ed02882e808a11aa96f4b05b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01ca846f27f51ba67eb807cdc22bbaa0824483a328fd8819d446f6667a9874f",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-10T16:24:29Z",
    "title_canon_sha256": "0b664b2ec04a58ff3db9fec8d69adfda28b6b835635c699c4c3a3e2e7400d730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04620",
    "kind": "arxiv",
    "version": 2
  }
}