Pith Number

pith:3KGRGMCD

pith:2023:3KGRGMCDIB2HFUJUFGOHKF2OC2

not attested not anchored not stored refs pending

Two-sets cut-uncut on planar graphs

Fedor V. Fomin, Matthias Bentert, P{\aa}l Gr{\o}n{\aa}s Drange, Petr A. Golovach, Tuukka Korhonen

arxiv:2305.01314 v1 · 2023-05-02 · 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{3KGRGMCDIB2HFUJUFGOHKF2OC2}

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	2026-07-05T06:06:24.296960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8d133043407472d134299c75174e16ba3c2de72f9b23b3b1b2abdfc960d0d8

Aliases

arxiv: 2305.01314 · arxiv_version: 2305.01314v1 · doi: 10.48550/arxiv.2305.01314 · pith_short_12: 3KGRGMCDIB2H · pith_short_16: 3KGRGMCDIB2HFUJU · pith_short_8: 3KGRGMCD

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/3KGRGMCDIB2HFUJUFGOHKF2OC2 \
  | 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: da8d133043407472d134299c75174e16ba3c2de72f9b23b3b1b2abdfc960d0d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e72327b12846d222e79eaba6d5368cc0053cc3c3544215a9d33ef761f393a42c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-05-02T10:50:00Z",
    "title_canon_sha256": "a6eaa0a4da2e65e1e1b7994fa259120d7a8fe67563974229e0d5739d22046d3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01314",
    "kind": "arxiv",
    "version": 1
  }
}