Pith Number

pith:UFGZ6QB2

pith:2023:UFGZ6QB2ZPXVBEVGAW2PSSUJ22

not attested not anchored not stored refs pending

Parameterized Complexity of Simultaneous Planarity

Ignaz Rutter, Matthias Pfretzschner, Simon D. Fink

arxiv:2308.11401 v3 · 2023-08-22 · 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{UFGZ6QB2ZPXVBEVGAW2PSSUJ22}

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	2026-07-05T10:56:04.302423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a14d9f403acbef5092a605b4f94a89d690206eb0ebae6fb52fedb57ecdb520cc

Aliases

arxiv: 2308.11401 · arxiv_version: 2308.11401v3 · doi: 10.48550/arxiv.2308.11401 · pith_short_12: UFGZ6QB2ZPXV · pith_short_16: UFGZ6QB2ZPXVBEVG · pith_short_8: UFGZ6QB2

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/UFGZ6QB2ZPXVBEVGAW2PSSUJ22 \
  | 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: a14d9f403acbef5092a605b4f94a89d690206eb0ebae6fb52fedb57ecdb520cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "290dc1aa57aeb9a8f5ab68aaa3aa97e6f11e07e77185b4bf4c29e02ed7b05f57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-08-22T12:42:56Z",
    "title_canon_sha256": "3515b325537b2a505b4152451e9f024b8c4c8e7b9c295b5a9d10a27e7b9526d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.11401",
    "kind": "arxiv",
    "version": 3
  }
}