Pith Number

pith:2KWO2AXX

pith:2018:2KWO2AXX5QRLJHIUY2OTJYUOO7

not attested not anchored not stored refs pending

Nearly-Linear Time Spectral Graph Reduction for Scalable Graph Partitioning and Data Visualization

Yongyu Wang, Zhiqiang Zhao, Zhuo Feng

arxiv:1812.08942 v1 · 2018-12-21 · cs.DS · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KWO2AXX5QRLJHIUY2OTJYUOO7}

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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.

Cited by

1 paper in Pith

Expander Hierarchies for Normalized Cuts on Graphs

Receipt and verification

First computed	2026-05-17T23:57:45.840493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2aced02f7ec22b49d14c69d34e28e77f922b537957518cf3bfd81f6af233b95

Aliases

arxiv: 1812.08942 · arxiv_version: 1812.08942v1 · doi: 10.48550/arxiv.1812.08942 · pith_short_12: 2KWO2AXX5QRL · pith_short_16: 2KWO2AXX5QRLJHIU · pith_short_8: 2KWO2AXX

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/2KWO2AXX5QRLJHIUY2OTJYUOO7 \
  | 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: d2aced02f7ec22b49d14c69d34e28e77f922b537957518cf3bfd81f6af233b95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade5d7acc692f48889bc4fef452c351b11f077c62f5f5a4ef62820a1cca98cd2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-21T04:38:12Z",
    "title_canon_sha256": "47cf64dc068a137136f0dce5b76cca0695b316911d699398e07f69d35781b321"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08942",
    "kind": "arxiv",
    "version": 1
  }
}