Pith Number

pith:YMQVTAJX

pith:2011:YMQVTAJXBUXY3WOSWKDZEWKCBQ

not attested not anchored not stored refs pending

Drawing Graphs with Vertices at Specified Positions and Crossings at Large Angles

Alexander Wolff, Jan-Henrik Haunert, Joachim Spoerhase, Martin Fink, Tamara Mchedlidze

arxiv:1107.4970 v1 · 2011-07-25 · 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{YMQVTAJXBUXY3WOSWKDZEWKCBQ}

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	2026-05-18T04:16:54.122666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3215981370d2f8dd9d2b2879259420c0e564631f87e415bb418fb702f786ccb

Aliases

arxiv: 1107.4970 · arxiv_version: 1107.4970v1 · doi: 10.48550/arxiv.1107.4970 · pith_short_12: YMQVTAJXBUXY · pith_short_16: YMQVTAJXBUXY3WOS · pith_short_8: YMQVTAJX

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/YMQVTAJXBUXY3WOSWKDZEWKCBQ \
  | 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: c3215981370d2f8dd9d2b2879259420c0e564631f87e415bb418fb702f786ccb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68361bc90d3b6fa9dae366cf1ed242ec2a848c914638752bef64dec3fc437122",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-07-25T15:10:12Z",
    "title_canon_sha256": "9351cc8ca40cede76f3c03058b02f5d4e48b701b4158fa1034662fc153746e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4970",
    "kind": "arxiv",
    "version": 1
  }
}