Pith Number

pith:I4NOSOSC

pith:2015:I4NOSOSCLXFRBS7LMVNWOCB3FG

not attested not anchored not stored refs pending

Scalable Constrained Clustering: A Generalized Spectral Method

Ioannis Koutis, Mihai Cucuringu, Sanjay Chawla

arxiv:1504.00653 v3 · 2015-04-02 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4NOSOSCLXFRBS7LMVNWOCB3FG}

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	2026-05-18T01:22:40.672572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

471ae93a425dcb10cbeb655b67083b29829a569f456f75e6c896f380a3fd88de

Aliases

arxiv: 1504.00653 · arxiv_version: 1504.00653v3 · doi: 10.48550/arxiv.1504.00653 · pith_short_12: I4NOSOSCLXFR · pith_short_16: I4NOSOSCLXFRBS7L · pith_short_8: I4NOSOSC

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/I4NOSOSCLXFRBS7LMVNWOCB3FG \
  | 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: 471ae93a425dcb10cbeb655b67083b29829a569f456f75e6c896f380a3fd88de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18138cabe3f99cd8e4a6b8b9595f5df978b4b5809ea6ff3c39c757a5fe2ab8e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-04-02T19:20:40Z",
    "title_canon_sha256": "abd8375c84e44010fcea796c061b8439bf2f18824adc1d72b6d24d9c62beb110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00653",
    "kind": "arxiv",
    "version": 3
  }
}