Pith Number

pith:KHE4CKQ5

pith:2014:KHE4CKQ5NLGXW5NPCLFTCQIPEY

not attested not anchored not stored refs pending

Partitioning Well-Clustered Graphs: Spectral Clustering Works!

He Sun, Luca Zanetti, Richard Peng

arxiv:1411.2021 v3 · 2014-11-07 · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KHE4CKQ5NLGXW5NPCLFTCQIPEY}

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	2026-05-18T00:51:52.473710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c9c12a1d6acd7b75af12cb31410f261545e75f00956f26961d09f1cb238f11

Aliases

arxiv: 1411.2021 · arxiv_version: 1411.2021v3 · doi: 10.48550/arxiv.1411.2021 · pith_short_12: KHE4CKQ5NLGX · pith_short_16: KHE4CKQ5NLGXW5NP · pith_short_8: KHE4CKQ5

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/KHE4CKQ5NLGXW5NPCLFTCQIPEY \
  | 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: 51c9c12a1d6acd7b75af12cb31410f261545e75f00956f26961d09f1cb238f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a34f06853dcef6c5e66e3d9f7cbfe2a63ab99f044d3b08318ee7c9b248f3788c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-11-07T20:23:50Z",
    "title_canon_sha256": "665a86556386cc40c6b54094abbc42717c03582df8045844686899e9dbebd3ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2021",
    "kind": "arxiv",
    "version": 3
  }
}