Pith Number

pith:QOHRV2MV

pith:2020:QOHRV2MVGDTYGJG6F3G35RP7MW

not attested not anchored not stored refs pending

Synchronized Planarity with Applications to Constrained Planarity Problems

Ignaz Rutter, Simon D. Fink, Thomas Bl\"asius

arxiv:2007.15362 v2 · 2020-07-30 · cs.DS · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOHRV2MVGDTYGJG6F3G35RP7MW}

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	2026-07-05T02:59:53.551796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838f1ae99530e78324de2ecdbec5ff65baced84b909b2ab0eb1a854f7ee71265

Aliases

arxiv: 2007.15362 · arxiv_version: 2007.15362v2 · doi: 10.48550/arxiv.2007.15362 · pith_short_12: QOHRV2MVGDTY · pith_short_16: QOHRV2MVGDTYGJG6 · pith_short_8: QOHRV2MV

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/QOHRV2MVGDTYGJG6F3G35RP7MW \
  | 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: 838f1ae99530e78324de2ecdbec5ff65baced84b909b2ab0eb1a854f7ee71265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9592650e63992d7f729e914e0758bb81fd50ae11dbbe725aaa66c8e73c98a0bb",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-07-30T10:26:55Z",
    "title_canon_sha256": "48fcc921f6d0d09f522e229db589368b4384e3d28b94bf41b42a5e5efc57d3a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15362",
    "kind": "arxiv",
    "version": 2
  }
}