Pith Number

pith:HOIHKGTZ

pith:2015:HOIHKGTZZWMCDXTOZRIN2U4E5L

not attested not anchored not stored refs pending

Mind the duality gap: safer rules for the Lasso

Alexandre Gramfort, Joseph Salmon, Olivier Fercoq

arxiv:1505.03410 v3 · 2015-05-13 · stat.ML · cs.LG · math.OC · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HOIHKGTZZWMCDXTOZRIN2U4E5L}

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.

Cited by

2 papers in Pith

SHIELD: Scalable Optimal Control with Certification using Duality and Convexity

Receipt and verification

First computed	2026-05-18T01:25:18.129165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b90751a79cd9821de6ecc50dd5384ead2b060d111bffc1b79a307f6afcc1b47

Aliases

arxiv: 1505.03410 · arxiv_version: 1505.03410v3 · doi: 10.48550/arxiv.1505.03410 · pith_short_12: HOIHKGTZZWMC · pith_short_16: HOIHKGTZZWMCDXTO · pith_short_8: HOIHKGTZ

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/HOIHKGTZZWMCDXTOZRIN2U4E5L \
  | 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: 3b90751a79cd9821de6ecc50dd5384ead2b060d111bffc1b79a307f6afcc1b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98709fbdce5ad46c1d156c28121222b5dff97f3fe43fce3a0da53a33335874da",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-05-13T14:50:34Z",
    "title_canon_sha256": "417f0f00aad6a42866344bbd28c704996f51dc892e9c089a42a5f89b2605b2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03410",
    "kind": "arxiv",
    "version": 3
  }
}