Pith Number

pith:G36MJVL4

pith:2019:G36MJVL46JAUVA2ZHRAF2EB3YV

not attested not anchored not stored refs pending

PL-NMF: Parallel Locality-Optimized Non-negative Matrix Factorization

Aravind Sukumaran-Rajam, Gordon E. Moon, P. Sadayappan, Srinivasan Parthasarathy

arxiv:1904.07935 v1 · 2019-04-16 · cs.LG · cs.DC · 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{G36MJVL46JAUVA2ZHRAF2EB3YV}

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	2026-05-17T23:48:19.358404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36fcc4d57cf2414a83593c405d103bc575939eef30c0a57a8fde53c210085f00

Aliases

arxiv: 1904.07935 · arxiv_version: 1904.07935v1 · doi: 10.48550/arxiv.1904.07935 · pith_short_12: G36MJVL46JAU · pith_short_16: G36MJVL46JAUVA2Z · pith_short_8: G36MJVL4

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/G36MJVL46JAUVA2ZHRAF2EB3YV \
  | 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: 36fcc4d57cf2414a83593c405d103bc575939eef30c0a57a8fde53c210085f00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc464cd0685b0a9b0c68fd3dc9d408617d5aebc143a89ba97ba2773c31e12b78",
    "cross_cats_sorted": [
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-16T19:18:37Z",
    "title_canon_sha256": "35a598289e362554ceaaca319e8eec020871f4281d7183fb3c3d26735f55a081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07935",
    "kind": "arxiv",
    "version": 1
  }
}