Pith Number

pith:C2CDCXLN

pith:2012:C2CDCXLNU5AMEDTA7B4MWJ3ZKR

not attested not anchored not stored refs pending

MahNMF: Manhattan Non-negative Matrix Factorization

Dacheng Tao, John Shawe-Taylor, Naiyang Guan, Zhigang Luo

arxiv:1207.3438 v1 · 2012-07-14 · stat.ML · cs.LG · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2CDCXLNU5AMEDTA7B4MWJ3ZKR}

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	2026-05-18T03:51:01.122558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1684315d6da740c20e60f878cb2779545ecf9c3acb5df641b5ded175db786eea

Aliases

arxiv: 1207.3438 · arxiv_version: 1207.3438v1 · doi: 10.48550/arxiv.1207.3438 · pith_short_12: C2CDCXLNU5AM · pith_short_16: C2CDCXLNU5AMEDTA · pith_short_8: C2CDCXLN

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/C2CDCXLNU5AMEDTA7B4MWJ3ZKR \
  | 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: 1684315d6da740c20e60f878cb2779545ecf9c3acb5df641b5ded175db786eea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0929488851596df3c45c6641e827afa5abf599346c6ceae2d0993b67b12aa236",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-07-14T16:19:40Z",
    "title_canon_sha256": "80e595e47f363e8b3a2935f7f22a5cb1328c1ff64747a837d37002bfe4f42a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3438",
    "kind": "arxiv",
    "version": 1
  }
}