Pith Number

pith:4BKSMF3W

pith:2012:4BKSMF3WOGXU5XO5K25DYHZPFQ

not attested not anchored not stored refs pending

Improving Smoothed l0 Norm in Compressive Sensing Using Adaptive Parameter Selection

Christian Schou Oxvig, Patrick Steffen Pedersen, Thomas Arildsen, Torben Larsen

arxiv:1210.4277 v2 · 2012-10-16 · 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{4BKSMF3WOGXU5XO5K25DYHZPFQ}

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	2026-05-18T03:30:55.252508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e05526177671af4edddd56ba3c1f2f2c3f56301c48809618787178813692633e

Aliases

arxiv: 1210.4277 · arxiv_version: 1210.4277v2 · doi: 10.48550/arxiv.1210.4277 · pith_short_12: 4BKSMF3WOGXU · pith_short_16: 4BKSMF3WOGXU5XO5 · pith_short_8: 4BKSMF3W

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/4BKSMF3WOGXU5XO5K25DYHZPFQ \
  | 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: e05526177671af4edddd56ba3c1f2f2c3f56301c48809618787178813692633e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "685e30741f4ae37ccc4d1ae8211c598be9e24b986148907eefcf1761e064d1e7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-16T07:33:06Z",
    "title_canon_sha256": "b4df60c435f8aed439a78016b30d5b6618221e714179ae563f52fc75ef19620a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4277",
    "kind": "arxiv",
    "version": 2
  }
}