Pith Number

pith:PKSBYT2P

pith:2014:PKSBYT2PAOJCODY2BI2AHGV3NW

not attested not anchored not stored refs pending

Scalable methods for nonnegative matrix factorizations of near-separable tall-and-skinny matrices

Austin R. Benson, Bartek Rajwa, David F. Gleich, Jason D. Lee

arxiv:1402.6964 v1 · 2014-02-27 · cs.LG · cs.DC · cs.NA · 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{PKSBYT2PAOJCODY2BI2AHGV3NW}

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	2026-05-18T00:26:47.478781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aa41c4f4f0392270f1a0a34039abb6d9f6df47244d5ee3ba953e9d162c635ac

Aliases

arxiv: 1402.6964 · arxiv_version: 1402.6964v1 · doi: 10.48550/arxiv.1402.6964 · pith_short_12: PKSBYT2PAOJC · pith_short_16: PKSBYT2PAOJCODY2 · pith_short_8: PKSBYT2P

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/PKSBYT2PAOJCODY2BI2AHGV3NW \
  | 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: 7aa41c4f4f0392270f1a0a34039abb6d9f6df47244d5ee3ba953e9d162c635ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f96bacde548a45932309ef7b22356fb18b6f3de316be14f1344af6479a7a8b66",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-02-27T16:41:26Z",
    "title_canon_sha256": "911f96fa20f97864d7c95db6fac8eae78c5bb01f1118dbfea0f7f59d9020d1db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6964",
    "kind": "arxiv",
    "version": 1
  }
}