Pith Number

pith:QFWGDSTE

pith:2017:QFWGDSTEZ2MOANU4QDH6CH6OM4

not attested not anchored not stored refs pending

Planar L-Drawings of Directed Graphs

Alexander Wolff, Giordano Da Lozzo, Ioannis G. Tollis, Markus Chimani, Martin N\"ollenburg, Maurizio Patrignani, Sabine Cornelsen, Steven Chaplick

arxiv:1708.09107 v2 · 2017-08-30 · cs.DS · 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{QFWGDSTEZ2MOANU4QDH6CH6OM4}

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	2026-05-18T00:36:08.167164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

816c61ca64ce98e0369c80cfe11fce6722ee2355365bf595642aec855ee745c7

Aliases

arxiv: 1708.09107 · arxiv_version: 1708.09107v2 · doi: 10.48550/arxiv.1708.09107 · pith_short_12: QFWGDSTEZ2MO · pith_short_16: QFWGDSTEZ2MOANU4 · pith_short_8: QFWGDSTE

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/QFWGDSTEZ2MOANU4QDH6CH6OM4 \
  | 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: 816c61ca64ce98e0369c80cfe11fce6722ee2355365bf595642aec855ee745c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61962a67bb565e9c47eca03f630b5d29ce1f2e71c6219b525f92a5fbf3a5af1d",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-30T04:28:29Z",
    "title_canon_sha256": "84b53ae647d7f2bdbfd8295500437ccb07eafe61a1d20dd67204c333cb8d1ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09107",
    "kind": "arxiv",
    "version": 2
  }
}