Pith Number

pith:R47ULNSB

pith:2018:R47ULNSBFPVOKWZK72HVMKQD4Z

not attested not anchored not stored refs pending

Reducing CMSO Model Checking to Highly Connected Graphs

Daniel Lokshtanov, Meirav Zehavi, M. S. Ramanujan, Saket Saurabh

arxiv:1802.01453 v1 · 2018-02-05 · cs.DS · cs.CC · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R47ULNSBFPVOKWZK72HVMKQD4Z}

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	2026-05-18T00:24:25.856927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3f45b6412beae55b2afe8f562a03e66a0acf15b2a95e81d7c85a6ba0ef923f

Aliases

arxiv: 1802.01453 · arxiv_version: 1802.01453v1 · doi: 10.48550/arxiv.1802.01453 · pith_short_12: R47ULNSBFPVO · pith_short_16: R47ULNSBFPVOKWZK · pith_short_8: R47ULNSB

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/R47ULNSBFPVOKWZK72HVMKQD4Z \
  | 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: 8f3f45b6412beae55b2afe8f562a03e66a0acf15b2a95e81d7c85a6ba0ef923f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9858a36517ac6ef1df05db44ef8b2b133cd18964c674428ffe155248247a182",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-02-05T15:06:32Z",
    "title_canon_sha256": "d0c922ccbccd1935163632f5c4d821c701d747b82eea3ce940899a0eb494ec68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01453",
    "kind": "arxiv",
    "version": 1
  }
}