Pith Number

pith:WPNVPVHX

pith:2012:WPNVPVHXNDY6GY5EB4E3PM6RX6

not attested not anchored not stored refs pending

Bipartition of graphs based on the normalized cut and spectral methods

K.K.K.R. Perera, Yoshihiro Mizoguchi

arxiv:1210.7253 v2 · 2012-10-26 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPNVPVHXNDY6GY5EB4E3PM6RX6}

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	2026-05-18T03:41:33.188997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3db57d4f768f1e363a40f09b7b3d1bfbbf5d85302b6c28f03f91fe0ba76bea9

Aliases

arxiv: 1210.7253 · arxiv_version: 1210.7253v2 · doi: 10.48550/arxiv.1210.7253 · pith_short_12: WPNVPVHXNDY6 · pith_short_16: WPNVPVHXNDY6GY5E · pith_short_8: WPNVPVHX

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/WPNVPVHXNDY6GY5EB4E3PM6RX6 \
  | 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: b3db57d4f768f1e363a40f09b7b3d1bfbbf5d85302b6c28f03f91fe0ba76bea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd0e178f1a4282377ee0db7f8b3e750c8b519bbeaa769b18d37f8a498985238",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-26T21:17:48Z",
    "title_canon_sha256": "9a9fe0605d62c03db19f4b3b8fd1606f9979370c9bcc9cb8582071627fa2daef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7253",
    "kind": "arxiv",
    "version": 2
  }
}