Pith Number

pith:RTLPC7J5

pith:2025:RTLPC7J5H5XJ2HWXEXDMVSVRJS

not attested not anchored not stored refs pending

Structural Parameterizations of $k$-Planarity

Tatsuya Gima, Yasuaki Kobayashi, Yuto Okada

arxiv:2506.10717 v2 · 2025-06-12 · 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{RTLPC7J5H5XJ2HWXEXDMVSVRJS}

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	2026-07-05T12:00:02.239252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cd6f17d3d3f6e9d1ed725c6cacab14cbc224231f691eb5641d5d6d17119501f

Aliases

arxiv: 2506.10717 · arxiv_version: 2506.10717v2 · doi: 10.48550/arxiv.2506.10717 · pith_short_12: RTLPC7J5H5XJ · pith_short_16: RTLPC7J5H5XJ2HWX · pith_short_8: RTLPC7J5

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/RTLPC7J5H5XJ2HWXEXDMVSVRJS \
  | 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: 8cd6f17d3d3f6e9d1ed725c6cacab14cbc224231f691eb5641d5d6d17119501f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acd3772d4c663016805f1a3dc63bc586c00d6098a823a869460a73bbee6a538b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-06-12T14:05:44Z",
    "title_canon_sha256": "d08c23850531573a69312e278999bd0b24538c7bfc028807dc2a74127e52e6cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.10717",
    "kind": "arxiv",
    "version": 2
  }
}