Pith Number

pith:KND4JRYO

pith:2009:KND4JRYOM5M3DSLIY6SJPA4LGI

not attested not anchored not stored refs pending

A Local Spectral Method for Graphs: with Applications to Improving Graph Partitions and Exploring Data Graphs Locally

Lorenzo Orecchia, Michael W. Mahoney, Nisheeth K. Vishnoi

arxiv:0912.0681 v3 · 2009-12-03 · 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{KND4JRYOM5M3DSLIY6SJPA4LGI}

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	2026-05-18T04:10:36.077061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5347c4c70e6759b1c968c7a497838b3228478bb565031682ac5f61dda2b051af

Aliases

arxiv: 0912.0681 · arxiv_version: 0912.0681v3 · doi: 10.48550/arxiv.0912.0681 · pith_short_12: KND4JRYOM5M3 · pith_short_16: KND4JRYOM5M3DSLI · pith_short_8: KND4JRYO

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/KND4JRYOM5M3DSLIY6SJPA4LGI \
  | 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: 5347c4c70e6759b1c968c7a497838b3228478bb565031682ac5f61dda2b051af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56265c33d2663ce25ac2b27e71784ba52225ac9eb0c712d2fbd904359f50b2f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-12-03T15:20:59Z",
    "title_canon_sha256": "e2b70226a243b2e7a6dc7e9c4578687fba87e9c3045c6e140372c740f69e6e76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0681",
    "kind": "arxiv",
    "version": 3
  }
}