Pith Number

pith:TOMBN43W

pith:2019:TOMBN43WU5KCY64AQ3P2MUXWJB

not attested not anchored not stored refs pending

Line and Plane Cover Numbers Revisited

Alexander Wolff, Henk Meijer, Stefan Felsner, Therese Biedl

arxiv:1908.07647 v1 · 2019-08-20 · cs.CG · 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{TOMBN43WU5KCY64AQ3P2MUXWJB}

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.

Cited by

1 paper in Pith

The Parameterized Complexity of Computing the Linear Vertex Arboricity

Receipt and verification

First computed	2026-07-04T23:58:59.918212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b9816f376a7542c7b8086dfa652f6486d5bdcf085627da2c1d1274661eb0f65

Aliases

arxiv: 1908.07647 · arxiv_version: 1908.07647v1 · doi: 10.48550/arxiv.1908.07647 · pith_short_12: TOMBN43WU5KC · pith_short_16: TOMBN43WU5KCY64A · pith_short_8: TOMBN43W

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/TOMBN43WU5KCY64AQ3P2MUXWJB \
  | 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: 9b9816f376a7542c7b8086dfa652f6486d5bdcf085627da2c1d1274661eb0f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a17a239c5efd074fe5b6d0971c28dd16d452bdd9315b14a7a04db1e5b2c8466c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-08-20T23:52:50Z",
    "title_canon_sha256": "e477ddff1d6effaea90ef639c7dd083db8fae89fb5002edeae4d512ce727bf9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07647",
    "kind": "arxiv",
    "version": 1
  }
}