Pith Number

pith:MP7EGDBC

pith:2009:MP7EGDBCLKHSJJVNZND4E4KNJ5

not attested not anchored not stored refs pending

Learning Exponential Families in High-Dimensions: Strong Convexity and Sparsity

Ambuj Tewari, Karthik Sridharan, Ohad Shamir, Sham M. Kakade

arxiv:0911.0054 v2 · 2009-10-31 · 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{MP7EGDBCLKHSJJVNZND4E4KNJ5}

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	2026-05-18T02:07:33.529615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63fe430c225a8f24a6adcb47c2714d4f62d50b4ded727da8dada3b35a53bd03a

Aliases

arxiv: 0911.0054 · arxiv_version: 0911.0054v2 · doi: 10.48550/arxiv.0911.0054 · pith_short_12: MP7EGDBCLKHS · pith_short_16: MP7EGDBCLKHSJJVN · pith_short_8: MP7EGDBC

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/MP7EGDBCLKHSJJVNZND4E4KNJ5 \
  | 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: 63fe430c225a8f24a6adcb47c2714d4f62d50b4ded727da8dada3b35a53bd03a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae4d14f3688215501b710699e8cbdc443ceba05cd6739483518c505bb694a1b1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2009-10-31T02:56:18Z",
    "title_canon_sha256": "7b163074e235dd449f648e4e74e0f79f4a31ac1eb6b7e0c8bf747e923458bef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0054",
    "kind": "arxiv",
    "version": 2
  }
}