pith. sign in
Pith Number

pith:JWKUXYIN

pith:2017:JWKUXYINV5IPR5UIDG24I7XNLG
not attested not anchored not stored refs pending

Une v\'eritable approche $\ell_0$ pour l'apprentissage de dictionnaire

Paul Honeine, St\'ephane Canu, Su Ruan, Yuan Liu

arxiv:1709.05937 v1 · 2017-09-12 · cs.CV · eess.IV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JWKUXYINV5IPR5UIDG24I7XNLG}

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 2026-05-18T00:34:58.770129Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4d954be10daf50f8f68819b5c47eed59b645731d2df81631d4909496f9819232

Aliases

arxiv: 1709.05937 · arxiv_version: 1709.05937v1 · doi: 10.48550/arxiv.1709.05937 · pith_short_12: JWKUXYINV5IP · pith_short_16: JWKUXYINV5IPR5UI · pith_short_8: JWKUXYIN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JWKUXYINV5IPR5UIDG24I7XNLG \
  | 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: 4d954be10daf50f8f68819b5c47eed59b645731d2df81631d4909496f9819232
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a3caff56c89129d8261bb8a19278c50386ee4740802d42e4ede33139cf0f5359",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-12T13:21:47Z",
    "title_canon_sha256": "44cc2043f970c9aeafba08fa68119f52fdda2728598e0594e4b3829aea5041c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05937",
    "kind": "arxiv",
    "version": 1
  }
}