Pith Number

pith:2SAC25NK

pith:2018:2SAC25NKTZE35XTTCRXDWXBZNO

not attested not anchored not stored refs pending

A note on block-and-bridge preserving maximum common subgraph algorithms for outerplanar graphs

Andre Droschinsky, Nils M. Kriege, Petra Mutzel

arxiv:1805.10754 v2 · 2018-05-28 · 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{2SAC25NKTZE35XTTCRXDWXBZNO}

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	2026-05-17T23:58:56.036307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4802d75aa9e49bede73146e3b5c396babc751252d950c3ce2e0925152837b05

Aliases

arxiv: 1805.10754 · arxiv_version: 1805.10754v2 · doi: 10.48550/arxiv.1805.10754 · pith_short_12: 2SAC25NKTZE3 · pith_short_16: 2SAC25NKTZE35XTT · pith_short_8: 2SAC25NK

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/2SAC25NKTZE35XTTCRXDWXBZNO \
  | 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: d4802d75aa9e49bede73146e3b5c396babc751252d950c3ce2e0925152837b05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29c2ddc61a25ca36077d37c78ec490b4f092e06e018513b2cd63e2fad9e6a52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-05-28T03:40:20Z",
    "title_canon_sha256": "8df41f32f374d5d0cfe023fefcc580eee025ddeda5b14e1a8b7248ef7b4922d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10754",
    "kind": "arxiv",
    "version": 2
  }
}