Pith Number

pith:6BABLCUV

pith:2018:6BABLCUVNHS2KF2XAHLTBH5WIL

not attested not anchored not stored refs pending

Turning Cliques into Paths to Achieve Planarity

Alessandra Tappini, Alfredo Navarra, Giuseppe Liotta, Karsten Klein, Patrizio Angelini, Peter Eades, Seok-Hee Hong, Stephen Kobourov

arxiv:1808.08925 v2 · 2018-08-27 · 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{6BABLCUVNHS2KF2XAHLTBH5WIL}

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	2026-05-18T00:07:05.042803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f040158a9569e5a5175701d7309fb642e2efbde4ba27e80159063ea034b94f25

Aliases

arxiv: 1808.08925 · arxiv_version: 1808.08925v2 · doi: 10.48550/arxiv.1808.08925 · pith_short_12: 6BABLCUVNHS2 · pith_short_16: 6BABLCUVNHS2KF2X · pith_short_8: 6BABLCUV

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/6BABLCUVNHS2KF2XAHLTBH5WIL \
  | 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: f040158a9569e5a5175701d7309fb642e2efbde4ba27e80159063ea034b94f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52da077ecaee10fd05b891a248ec923466cc321327b484fb3e01b3fc99ee4148",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-08-27T16:55:54Z",
    "title_canon_sha256": "c21d2a2d161d5e42514f3aa2335476034fb39d2d8e3644c3edc8655680b15997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08925",
    "kind": "arxiv",
    "version": 2
  }
}