Pith Number

pith:24NH47DO

pith:2010:24NH47DOVGZZBLV32DCVNEACGI

not attested not anchored not stored refs pending

Proximal Methods for Hierarchical Sparse Coding

Francis Bach (INRIA Paris - Rocquencourt, Guillaume Obozinski (INRIA Paris - Rocquencourt, Julien Mairal (INRIA Paris - Rocquencourt, LIENS), Rodolphe Jenatton (INRIA Paris - Rocquencourt

arxiv:1009.2139 v4 · 2010-09-11 · 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{24NH47DOVGZZBLV32DCVNEACGI}

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	2026-05-18T04:15:18.907902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d71a7e7c6ea9b390aebbd0c55690023238c2ab20f96297a7d88242587dc90665

Aliases

arxiv: 1009.2139 · arxiv_version: 1009.2139v4 · doi: 10.48550/arxiv.1009.2139 · pith_short_12: 24NH47DOVGZZ · pith_short_16: 24NH47DOVGZZBLV3 · pith_short_8: 24NH47DO

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/24NH47DOVGZZBLV32DCVNEACGI \
  | 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: d71a7e7c6ea9b390aebbd0c55690023238c2ab20f96297a7d88242587dc90665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ed059be10b61c047ffc751bbc683840b9cb578171e849aa263b5510b608f1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2010-09-11T05:46:55Z",
    "title_canon_sha256": "c8d5be5e7d2b49e5264d36bade8369f6a7cabdf343aa49fcac305405134ab674"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2139",
    "kind": "arxiv",
    "version": 4
  }
}