Pith Number

pith:F3NK4QMF

pith:2013:F3NK4QMFHOUUPRYHPNPVC55AL5

not attested not anchored not stored refs pending

Linear-Time Algorithms for Scattering Number and Hamilton-Connectivity of Interval Graphs

Andrzej Proskurowski, Dani\"el Paulusma, Hajo Broersma, Ji\v{r}\'i Fiala, Petr A. Golovach, Tom\'a\v{s} Kaiser

arxiv:1301.5953 v1 · 2013-01-25 · 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{F3NK4QMFHOUUPRYHPNPVC55AL5}

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	2026-05-18T03:35:27.507609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2edaae41853ba947c7077b5f5177a05f48ba7ea3f44423a14cb704eab03354dd

Aliases

arxiv: 1301.5953 · arxiv_version: 1301.5953v1 · doi: 10.48550/arxiv.1301.5953 · pith_short_12: F3NK4QMFHOUU · pith_short_16: F3NK4QMFHOUUPRYH · pith_short_8: F3NK4QMF

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/F3NK4QMFHOUUPRYHPNPVC55AL5 \
  | 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: 2edaae41853ba947c7077b5f5177a05f48ba7ea3f44423a14cb704eab03354dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "277d04879ab71890d7c4cf177ee0ac7bd983be6cb06c1771168d37e005502f90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-25T02:24:26Z",
    "title_canon_sha256": "afe8a8046f475342ba0f2caca48474a8b36f46476f318fb3774a5ef574ba78f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5953",
    "kind": "arxiv",
    "version": 1
  }
}