Pith Number

pith:J56EYT5Z

pith:2016:J56EYT5ZWA65UXRX2HZ2RKWLIK

not attested not anchored not stored refs pending

Identifiable Phenotyping using Constrained Non-Negative Matrix Factorization

David Sontag, Joydeep Ghosh, Shalmali Joshi, Suriya Gunasekar

arxiv:1608.00704 v3 · 2016-08-02 · 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{J56EYT5ZWA65UXRX2HZ2RKWLIK}

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	2026-05-18T01:04:17.966346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f7c4c4fb9b03dda5e37d1f3a8aacb429fe384fd06d2f245f134e67f86a3b88b

Aliases

arxiv: 1608.00704 · arxiv_version: 1608.00704v3 · doi: 10.48550/arxiv.1608.00704 · pith_short_12: J56EYT5ZWA65 · pith_short_16: J56EYT5ZWA65UXRX · pith_short_8: J56EYT5Z

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/J56EYT5ZWA65UXRX2HZ2RKWLIK \
  | 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: 4f7c4c4fb9b03dda5e37d1f3a8aacb429fe384fd06d2f245f134e67f86a3b88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a02f5964cdb8b58cddeda7bc6870b0ad1700c39d16880bec395ed37ae3598f32",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-08-02T06:03:53Z",
    "title_canon_sha256": "ee24b115909e89c0a2e3113e92e7d395ada5571d445311cfc432b9310d4cc9ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00704",
    "kind": "arxiv",
    "version": 3
  }
}