Pith Number

pith:5SNNMRW4

pith:2014:5SNNMRW4IRLZEWICCVYAR6TYFP

not attested not anchored not stored refs pending

Independent Set Reconfiguration in Cographs

Paul Bonsma

arxiv:1402.1587 v1 · 2014-02-07 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SNNMRW4IRLZEWICCVYAR6TYFP}

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	2026-05-18T02:59:46.779522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9ad646dc4457925902157008fa782be35bfde5ce8a7cc46a0d3d1f7d1722ca

Aliases

arxiv: 1402.1587 · arxiv_version: 1402.1587v1 · doi: 10.48550/arxiv.1402.1587 · pith_short_12: 5SNNMRW4IRLZ · pith_short_16: 5SNNMRW4IRLZEWIC · pith_short_8: 5SNNMRW4

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/5SNNMRW4IRLZEWICCVYAR6TYFP \
  | 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: ec9ad646dc4457925902157008fa782be35bfde5ce8a7cc46a0d3d1f7d1722ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e1daee5c287edf843cecc5e23b9959934b97b561acabb4d3d76bc2331162c6a",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-02-07T10:12:05Z",
    "title_canon_sha256": "1bb84cc517b0584734bb721b0411bf8040050f302a95fdb5d948beeae719d46c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1587",
    "kind": "arxiv",
    "version": 1
  }
}