Pith Number

pith:OD36BENV

pith:2019:OD36BENVBLK4RNNLDVSIG2EOPH

not attested not anchored not stored refs pending

SPONGE: A generalized eigenproblem for clustering signed networks

Aldo Glielmo, Hemant Tyagi, Mihai Cucuringu, Peter Davies

arxiv:1904.08575 v2 · 2019-04-18 · stat.ML · cs.LG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OD36BENVBLK4RNNLDVSIG2EOPH}

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	2026-05-17T23:45:51.744003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f7e091b50ad5c8b5ab1d6483688e79e4133b226729e529550be09b182711dd

Aliases

arxiv: 1904.08575 · arxiv_version: 1904.08575v2 · doi: 10.48550/arxiv.1904.08575 · pith_short_12: OD36BENVBLK4 · pith_short_16: OD36BENVBLK4RNNL · pith_short_8: OD36BENV

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/OD36BENVBLK4RNNLDVSIG2EOPH \
  | 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: 70f7e091b50ad5c8b5ab1d6483688e79e4133b226729e529550be09b182711dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2220fe8832b2a628d167a818806e0953f540778b24490af83a463699174acd08",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-18T02:55:22Z",
    "title_canon_sha256": "e24120dbb708c56cc487ec8094ac43cc7f0bfcc6fd461df828a3ff8412afc554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08575",
    "kind": "arxiv",
    "version": 2
  }
}