Pith Number

pith:QZ2KCGYT

pith:2015:QZ2KCGYT2ZKDKSMQTN7M3BTJMV

not attested not anchored not stored refs pending

Communication-efficient sparse regression: a one-shot approach

Jason D. Lee, Jonathan E. Taylor, Qiang Liu, Yuekai Sun

arxiv:1503.04337 v3 · 2015-03-14 · stat.ML · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZ2KCGYT2ZKDKSMQTN7M3BTJMV}

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	2026-05-18T01:35:32.171920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8674a11b13d6543549909b7ecd86696574805c3fdac75e557a947b3422452075

Aliases

arxiv: 1503.04337 · arxiv_version: 1503.04337v3 · doi: 10.48550/arxiv.1503.04337 · pith_short_12: QZ2KCGYT2ZKD · pith_short_16: QZ2KCGYT2ZKDKSMQ · pith_short_8: QZ2KCGYT

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/QZ2KCGYT2ZKDKSMQTN7M3BTJMV \
  | 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: 8674a11b13d6543549909b7ecd86696574805c3fdac75e557a947b3422452075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63c8aac40cc70bc7d5694297b9da594696f05bf547deb07425b80dfbd5be8147",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-03-14T19:43:30Z",
    "title_canon_sha256": "c24b5318b68bcbf446f44d29ee46aa97126388b9dc0109f1ae9fbb90d0d5693f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04337",
    "kind": "arxiv",
    "version": 3
  }
}