Pith Number

pith:JV7UGFLY

pith:2017:JV7UGFLY2BWSYLTSNH5OP2YTX7

not attested not anchored not stored refs pending

Non-negative Matrix Factorization via Archetypal Analysis

Andrea Montanari, Hamid Javadi

arxiv:1705.02994 v1 · 2017-05-08 · stat.ML · 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{JV7UGFLY2BWSYLTSNH5OP2YTX7}

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	2026-05-18T00:44:53.147607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d7f431578d06d2c2e7269fae7eb13bfeeca8e0c6256562fb6b43b4f57b6ff39

Aliases

arxiv: 1705.02994 · arxiv_version: 1705.02994v1 · doi: 10.48550/arxiv.1705.02994 · pith_short_12: JV7UGFLY2BWS · pith_short_16: JV7UGFLY2BWSYLTS · pith_short_8: JV7UGFLY

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/JV7UGFLY2BWSYLTSNH5OP2YTX7 \
  | 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: 4d7f431578d06d2c2e7269fae7eb13bfeeca8e0c6256562fb6b43b4f57b6ff39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca36de41aedccdd041316383bd4031c7f1d43f93bf38554515adcea7388fbf0c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-05-08T17:53:36Z",
    "title_canon_sha256": "8def4434792e0e7a954ad921ac67fb9dc11a991a4947849142459a799fb20261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02994",
    "kind": "arxiv",
    "version": 1
  }
}