Pith Number

pith:V22OS5OZ

pith:2018:V22OS5OZXKTTSAVBKP6EQ3B7FY

not attested not anchored not stored refs pending

Optimality of 1-norm regularization among weighted 1-norms for sparse recovery: a case study on how to find optimal regularizations

IMB), Samuel Vaiter (CNRS, Yann Traonmilin (CNRS

arxiv:1803.00773 v3 · 2018-03-02 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V22OS5OZXKTTSAVBKP6EQ3B7FY}

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	2026-05-17T23:59:17.586262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aeb4e975d9baa73902a153fc486c3f2e31d726e552375392c6e5de7a88d6288e

Aliases

arxiv: 1803.00773 · arxiv_version: 1803.00773v3 · doi: 10.48550/arxiv.1803.00773 · pith_short_12: V22OS5OZXKTT · pith_short_16: V22OS5OZXKTTSAVB · pith_short_8: V22OS5OZ

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/V22OS5OZXKTTSAVBKP6EQ3B7FY \
  | 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: aeb4e975d9baa73902a153fc486c3f2e31d726e552375392c6e5de7a88d6288e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83347e05f6648c03261b812692a2267c9685f7d27205b7ee13bdc5dd2e1ade9e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-02T09:27:50Z",
    "title_canon_sha256": "33df4d8d44dd54f6088608c5bb1743856b2fe5c08438d13dcbc798e0795c06ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00773",
    "kind": "arxiv",
    "version": 3
  }
}