Pith Number

pith:VT45FJ4P

pith:2018:VT45FJ4P5KUY3TLCUV6UH7BRTH

not attested not anchored not stored refs pending

Queue Layouts of Planar 3-Trees

Jawaherul Md. Alam, Martin Gronemann, Michael A. Bekos, Michael Kaufmann, Sergey Pupyrev

arxiv:1808.10841 v2 · 2018-08-31 · 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{VT45FJ4P5KUY3TLCUV6UH7BRTH}

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	2026-05-18T00:06:19.946439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf9d2a78feaa98dcd62a57d43fc3199d5bca931ce40d278d3467a7044a1dd67

Aliases

arxiv: 1808.10841 · arxiv_version: 1808.10841v2 · doi: 10.48550/arxiv.1808.10841 · pith_short_12: VT45FJ4P5KUY · pith_short_16: VT45FJ4P5KUY3TLC · pith_short_8: VT45FJ4P

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/VT45FJ4P5KUY3TLCUV6UH7BRTH \
  | 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: acf9d2a78feaa98dcd62a57d43fc3199d5bca931ce40d278d3467a7044a1dd67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93f9f5b3d27536647e2a14f3b13d510572388fcc59fa5919960a9d9d2115ea65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-31T16:59:06Z",
    "title_canon_sha256": "b55c71a08affb6cab48ca6751eabcfd87f0e1a49988b5dfc74f4d9aa99a31bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10841",
    "kind": "arxiv",
    "version": 2
  }
}