Pith Number

pith:GVQVB74J

pith:2011:GVQVB74JGDQJ7W7K6LEWXHWXAZ

not attested not anchored not stored refs pending

Structured Sparsity and Generalization

Andreas Maurer, Massimiliano Pontil

arxiv:1108.3476 v2 · 2011-08-17 · cs.LG · 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{GVQVB74JGDQJ7W7K6LEWXHWXAZ}

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	2026-05-18T03:48:34.182702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

356150ff8930e09fdbeaf2c96b9ed70675e08e69a76c9a4b35ce98ebcd1c892d

Aliases

arxiv: 1108.3476 · arxiv_version: 1108.3476v2 · doi: 10.48550/arxiv.1108.3476 · pith_short_12: GVQVB74JGDQJ · pith_short_16: GVQVB74JGDQJ7W7K · pith_short_8: GVQVB74J

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/GVQVB74JGDQJ7W7K6LEWXHWXAZ \
  | 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: 356150ff8930e09fdbeaf2c96b9ed70675e08e69a76c9a4b35ce98ebcd1c892d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8321480994ff02da9e108eb8f11d1f8daf4a81c8b3d6ccdc12505718181064",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-08-17T13:36:11Z",
    "title_canon_sha256": "ff374df405932c492d3b2480fadceb5791955776bd56a2e276b3eeb5e6276fc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3476",
    "kind": "arxiv",
    "version": 2
  }
}