Pith Number

pith:NN2YBGD3

pith:2014:NN2YBGD3G53EC2ZY6E5J7GCULO

not attested not anchored not stored refs pending

On The Sample Complexity of Sparse Dictionary Learning

Francis Bach, Martin Kleinsteuber, Matthias Seibert, R\'emi Gribonval, Rodolphe Jenatton

arxiv:1403.5112 v1 · 2014-03-20 · 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{NN2YBGD3G53EC2ZY6E5J7GCULO}

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	2026-05-18T02:25:18.980300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b7580987b3776416b38f13a9f98545b914bc30a491af43912b932f754aec562

Aliases

arxiv: 1403.5112 · arxiv_version: 1403.5112v1 · doi: 10.48550/arxiv.1403.5112 · pith_short_12: NN2YBGD3G53E · pith_short_16: NN2YBGD3G53EC2ZY · pith_short_8: NN2YBGD3

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/NN2YBGD3G53EC2ZY6E5J7GCULO \
  | 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: 6b7580987b3776416b38f13a9f98545b914bc30a491af43912b932f754aec562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef016bcab83bf8a197608120a38da5ab73bd2c739b4e6165b1ebfa7a8cc440e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-03-20T12:30:54Z",
    "title_canon_sha256": "d52643a13705b458951597a939b394559c7e45342f07ff0481299848feaac988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5112",
    "kind": "arxiv",
    "version": 1
  }
}