Pith Number

pith:Y6FPJIQU

pith:2015:Y6FPJIQUMUYANCD2VDYRDQRSIJ

not attested not anchored not stored refs pending

Combinatorial Properties of Triangle-Free Rectangle Arrangements and the Squarability Problem

Jonathan Klawitter, Martin N\"ollenburg, Torsten Ueckerdt

arxiv:1509.00835 v1 · 2015-09-02 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6FPJIQUMUYANCD2VDYRDQRSIJ}

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	2026-05-18T01:34:05.919239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78af4a214653006887aa8f111c232425d054c3c9ead58263b59b8a988d72b7d

Aliases

arxiv: 1509.00835 · arxiv_version: 1509.00835v1 · doi: 10.48550/arxiv.1509.00835 · pith_short_12: Y6FPJIQUMUYA · pith_short_16: Y6FPJIQUMUYANCD2 · pith_short_8: Y6FPJIQU

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/Y6FPJIQUMUYANCD2VDYRDQRSIJ \
  | 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: c78af4a214653006887aa8f111c232425d054c3c9ead58263b59b8a988d72b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5acc05e5c75b81499916e377a18381e39aa8288807fedfdcef9d9498a2ab05da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-09-02T19:49:36Z",
    "title_canon_sha256": "5311bf97ff24a151c6a0a12568feb78ae637d24ef313a90fb25e474c2b95e454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00835",
    "kind": "arxiv",
    "version": 1
  }
}