Pith Number

pith:WE7ZE5RZ

pith:2014:WE7ZE5RZI5LNNUK7LLM4JQ3XUU

not attested not anchored not stored refs pending

Resolution-limit-free and local Non-negative Matrix Factorization quality functions for graph clustering

Elena Marchiori, Twan van Laarhoven

arxiv:1407.5924 v1 · 2014-07-22 · 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{WE7ZE5RZI5LNNUK7LLM4JQ3XUU}

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	2026-05-18T02:47:06.384939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b13f9276394756d6d15f5ad9c4c377a527342c17338102181b71343a3e77e11f

Aliases

arxiv: 1407.5924 · arxiv_version: 1407.5924v1 · doi: 10.48550/arxiv.1407.5924 · pith_short_12: WE7ZE5RZI5LN · pith_short_16: WE7ZE5RZI5LNNUK7 · pith_short_8: WE7ZE5RZ

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/WE7ZE5RZI5LNNUK7LLM4JQ3XUU \
  | 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: b13f9276394756d6d15f5ad9c4c377a527342c17338102181b71343a3e77e11f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7626efc98732f8adaa4343a443a787ecec71164987228051a4ba477b686ce18c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-07-22T16:21:59Z",
    "title_canon_sha256": "69cd387d684d62c75fd26d5755b01b47a2e5d96b1d1709942edd7512cd7f72d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5924",
    "kind": "arxiv",
    "version": 1
  }
}