Pith Number

pith:S256E3BG

pith:2017:S256E3BGAQJV32MAVZ473NGMZR

not attested not anchored not stored refs pending

Finding, Hitting and Packing Cycles in Subexponential Time on Unit Disk Graphs

Daniel Lokshtanov, Fahad Panolan, Fedor V. Fomin, Meirav Zehavi, Saket Saurabh

arxiv:1704.07279 v1 · 2017-04-24 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S256E3BGAQJV32MAVZ473NGMZR}

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	2026-05-18T00:45:53.013343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96bbe26c2604135de980ae79fdb4cccc6f97b8a44a3987239f3c48aae9c791a7

Aliases

arxiv: 1704.07279 · arxiv_version: 1704.07279v1 · doi: 10.48550/arxiv.1704.07279 · pith_short_12: S256E3BGAQJV · pith_short_16: S256E3BGAQJV32MA · pith_short_8: S256E3BG

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/S256E3BGAQJV32MAVZ473NGMZR \
  | 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: 96bbe26c2604135de980ae79fdb4cccc6f97b8a44a3987239f3c48aae9c791a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0235447e6d35624a528eda9e5263e87bcbc797a8ab7fb7e8b053fdc67118c06b",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-04-24T15:18:40Z",
    "title_canon_sha256": "801535e9773f2023b93c0e58097d97ae96c09c0a8ca0bb43786cef2463c01514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07279",
    "kind": "arxiv",
    "version": 1
  }
}