Pith Number

pith:E6T3FOFS

pith:2013:E6T3FOFSRIEKENZ2GLYGALWAWG

not attested not anchored not stored refs pending

Source Separation using Regularized NMF with MMSE Estimates under GMM Priors with Online Learning for The Uncertainties

Emad M. Grais, Hakan Erdogan

arxiv:1302.7283 v1 · 2013-02-28 · 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{E6T3FOFSRIEKENZ2GLYGALWAWG}

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	2026-05-18T03:32:16.271456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a7b2b8b28a08a2373a32f0602ec0b1a8e267722d46f76696a4460876a5b28d

Aliases

arxiv: 1302.7283 · arxiv_version: 1302.7283v1 · doi: 10.48550/arxiv.1302.7283 · pith_short_12: E6T3FOFSRIEK · pith_short_16: E6T3FOFSRIEKENZ2 · pith_short_8: E6T3FOFS

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/E6T3FOFSRIEKENZ2GLYGALWAWG \
  | 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: 27a7b2b8b28a08a2373a32f0602ec0b1a8e267722d46f76696a4460876a5b28d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4f29567ea86911c134563a8b26efafa18f68743b01dfb1d7562a483a047fff2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-02-28T18:56:56Z",
    "title_canon_sha256": "24acfa98ba852a9b8e75392f58a1290b5be67475c92bb7833d9686fbc1140da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7283",
    "kind": "arxiv",
    "version": 1
  }
}