Pith Number

pith:TKDC37BG

pith:2014:TKDC37BGMXSXKK32AAWAM7K7QX

not attested not anchored not stored refs pending

On the Computational Complexity of Vertex Integrity and Component Order Connectivity

Markus Sortland Dregi, P{\aa}l Gr{\o}n{\aa}s Drange, Pim van 't Hof

arxiv:1403.6331 v2 · 2014-03-25 · 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{TKDC37BGMXSXKK32AAWAM7K7QX}

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	2026-05-18T02:32:07.521030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a862dfc2665e5752b7a002c067d5f85fd4bed5c9e34ae6b245b5c1c255b6da1

Aliases

arxiv: 1403.6331 · arxiv_version: 1403.6331v2 · doi: 10.48550/arxiv.1403.6331 · pith_short_12: TKDC37BGMXSX · pith_short_16: TKDC37BGMXSXKK32 · pith_short_8: TKDC37BG

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/TKDC37BGMXSXKK32AAWAM7K7QX \
  | 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: 9a862dfc2665e5752b7a002c067d5f85fd4bed5c9e34ae6b245b5c1c255b6da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f35d975d6e6ae163ee09d20ecbd4e7ab42ac9e5b0dcc55e53bca61a534a695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-03-25T13:11:09Z",
    "title_canon_sha256": "0dc6baaa7bdf9889058a32cfe0d95341d9ed9e16e5cd39f0d0972c21c605166d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6331",
    "kind": "arxiv",
    "version": 2
  }
}