Pith Number

pith:Y5NEKFAY

pith:2011:Y5NEKFAYG7HRKPDAAJ7SXGD63Q

not attested not anchored not stored refs pending

Clustering with Multi-Layer Graphs: A Spectral Perspective

Nikolai Nefedov, Pascal Frossard, Pierre Vandergheynst, Xiaowen Dong

arxiv:1106.2233 v1 · 2011-06-11 · cs.LG · cs.CV · cs.SI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5NEKFAYG7HRKPDAAJ7SXGD63Q}

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	2026-05-18T01:34:40.305905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75a45141837cf153c60027f2b987edc082f8b88b4edccefaa2acec2a78d57ab

Aliases

arxiv: 1106.2233 · arxiv_version: 1106.2233v1 · doi: 10.48550/arxiv.1106.2233 · pith_short_12: Y5NEKFAYG7HR · pith_short_16: Y5NEKFAYG7HRKPDA · pith_short_8: Y5NEKFAY

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/Y5NEKFAYG7HRKPDAAJ7SXGD63Q \
  | 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: c75a45141837cf153c60027f2b987edc082f8b88b4edccefaa2acec2a78d57ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39f5751566bfc5ba87fa80eb8f2deb2be228ec9690b758414eeb5ef2cf0549c3",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.SI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-06-11T12:43:18Z",
    "title_canon_sha256": "5bd28649c00928e4b105e1e1b8d0f6d2a6c9090582358560a02880cf2129fac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2233",
    "kind": "arxiv",
    "version": 1
  }
}