Pith Number

pith:HM3E3H6Z

pith:2016:HM3E3H6Z6NMHDGRVLJSVZFO6XF

not attested not anchored not stored refs pending

Degree Four Plane Spanners: Simpler and Better

Duru T\"urko\v{g}lu, Iyad Kanj, Ljubomir Perkovi\'c

arxiv:1603.03818 v1 · 2016-03-11 · 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{HM3E3H6Z6NMHDGRVLJSVZFO6XF}

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	2026-05-18T01:19:10.424003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b364d9fd9f358719a355a655c95deb9734dc8ffb9ab8e4ce9058023d5686325

Aliases

arxiv: 1603.03818 · arxiv_version: 1603.03818v1 · doi: 10.48550/arxiv.1603.03818 · pith_short_12: HM3E3H6Z6NMH · pith_short_16: HM3E3H6Z6NMHDGRV · pith_short_8: HM3E3H6Z

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/HM3E3H6Z6NMHDGRVLJSVZFO6XF \
  | 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: 3b364d9fd9f358719a355a655c95deb9734dc8ffb9ab8e4ce9058023d5686325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c913e68f0e46c5bddb33ef323197a8f73597b0b3337c88bdc60c16e7be93553",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-03-11T23:08:15Z",
    "title_canon_sha256": "dcb4e124c728a105229ca3f0d5083c835a5cf45202c8146cc15dd18d377f62c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03818",
    "kind": "arxiv",
    "version": 1
  }
}