Pith Number

pith:WOQIMLTN

pith:2015:WOQIMLTNQ4Z7OAUGRQPQMNAJBI

not attested not anchored not stored refs pending

$1$-String $B_1$-VPG Representations of Planar Partial $3$-Trees and Some Subclasses

Martin Derka, Therese Biedl

arxiv:1506.07246 v1 · 2015-06-24 · cs.CG · cs.DM · 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{WOQIMLTNQ4Z7OAUGRQPQMNAJBI}

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	2026-05-18T01:39:54.508557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a0862e6d8733f702868c1f0634090a3ebd12c459b6031091afb4fbbfe1e43e

Aliases

arxiv: 1506.07246 · arxiv_version: 1506.07246v1 · doi: 10.48550/arxiv.1506.07246 · pith_short_12: WOQIMLTNQ4Z7 · pith_short_16: WOQIMLTNQ4Z7OAUG · pith_short_8: WOQIMLTN

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/WOQIMLTNQ4Z7OAUGRQPQMNAJBI \
  | 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: b3a0862e6d8733f702868c1f0634090a3ebd12c459b6031091afb4fbbfe1e43e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b9f87d6b7879de7a50a2e8bb2fdc01a2c1306ea5a165faba9b615ef4f30008",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2015-06-24T05:12:41Z",
    "title_canon_sha256": "5753f39e44535d1c1ac1949142489b9383e7751407bb6e638c2e5a9d04b703e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07246",
    "kind": "arxiv",
    "version": 1
  }
}