Pith Number

pith:2TQ3FZT6

pith:2014:2TQ3FZT64CXVHHWTHOV5TYJ4KP

not attested not anchored not stored refs pending

Learning manifold to regularize nonnegative matrix factorization

Jim Jing-Yan Wang, Xin Gao

arxiv:1410.2191 v1 · 2014-10-03 · 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{2TQ3FZT64CXVHHWTHOV5TYJ4KP}

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	2026-05-18T02:40:48.011741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4e1b2e67ee0af539ed33babd9e13c53e57a4e2f550b8ddb5e727ce44d7f1975

Aliases

arxiv: 1410.2191 · arxiv_version: 1410.2191v1 · doi: 10.48550/arxiv.1410.2191 · pith_short_12: 2TQ3FZT64CXV · pith_short_16: 2TQ3FZT64CXVHHWT · pith_short_8: 2TQ3FZT6

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/2TQ3FZT64CXVHHWTHOV5TYJ4KP \
  | 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: d4e1b2e67ee0af539ed33babd9e13c53e57a4e2f550b8ddb5e727ce44d7f1975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e9ae2eb602fc7efc9c08cd17229e0145c73d745dcf9eb86492d91485c7b8326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-10-03T09:25:43Z",
    "title_canon_sha256": "77377802f713b4c06f9e8be2f0e74cea4af01338ceac92b4ce4c9410311929db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2191",
    "kind": "arxiv",
    "version": 1
  }
}