Pith Number

pith:IADSC5F7

pith:2015:IADSC5F7NADLWMZHAITMIWVT64

not attested not anchored not stored refs pending

Compressed Sensing Recovery via Nonconvex Shrinkage Penalties

Joseph Woodworth, Rick Chartrand

arxiv:1504.02923 v1 · 2015-04-11 · 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{IADSC5F7NADLWMZHAITMIWVT64}

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	2026-05-18T01:12:13.515095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40072174bf6806bb33270226c45ab3f7034e5b4e6ceeb2a4cb160637454f3e04

Aliases

arxiv: 1504.02923 · arxiv_version: 1504.02923v1 · doi: 10.48550/arxiv.1504.02923 · pith_short_12: IADSC5F7NADL · pith_short_16: IADSC5F7NADLWMZH · pith_short_8: IADSC5F7

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/IADSC5F7NADLWMZHAITMIWVT64 \
  | 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: 40072174bf6806bb33270226c45ab3f7034e5b4e6ceeb2a4cb160637454f3e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1836839ed8f0493096cafac50d57b764a5b5b724e38e266c7a54c1cd9e9b0c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-11T23:21:06Z",
    "title_canon_sha256": "17ac730d2d93764c23e017666a849e7c442188d165900b02d46a33fa69c24367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02923",
    "kind": "arxiv",
    "version": 1
  }
}