Pith Number

pith:VN7M542Y

pith:2018:VN7M542Y5XYDZS3GYICJT4KBHV

not attested not anchored not stored refs pending

The Partition Spanning Forest Problem

Andr\'e Schulz, Boris Klemz, Ignaz Rutter, Patrick Schnider, Philipp Kindermann

arxiv:1809.02710 v1 · 2018-09-07 · 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{VN7M542Y5XYDZS3GYICJT4KBHV}

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	2026-05-18T00:06:15.553386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab7ecef358edf03ccb66c20499f1413d788e3221ceb436272db2667d58160248

Aliases

arxiv: 1809.02710 · arxiv_version: 1809.02710v1 · doi: 10.48550/arxiv.1809.02710 · pith_short_12: VN7M542Y5XYD · pith_short_16: VN7M542Y5XYDZS3G · pith_short_8: VN7M542Y

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/VN7M542Y5XYDZS3GYICJT4KBHV \
  | 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: ab7ecef358edf03ccb66c20499f1413d788e3221ceb436272db2667d58160248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c218fd6d86d2a58d4c87c0b98fc0a98c857c60d95ddc4b7545e4c85b0eeb984",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-09-07T23:21:49Z",
    "title_canon_sha256": "77b19c3da400fdce8d5875c40ce43c41d6f914467f3cfcc1b435bde81952923b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02710",
    "kind": "arxiv",
    "version": 1
  }
}