Pith Number

pith:PCWB3DQF

pith:2017:PCWB3DQFMATDKPZJL3DMHIU64A

not attested not anchored not stored refs pending

Upper-Bounding the Regularization Constant for Convex Sparse Signal Reconstruction

Aleksandar Dogand\v{z}i\'c, Renliang Gu

arxiv:1702.07930 v1 · 2017-02-25 · stat.CO · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCWB3DQFMATDKPZJL3DMHIU64A}

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	2026-05-18T00:49:56.655524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ac1d8e056026353f295ec6c3a29ee023fe9cf800a48bbc54d86eeff7801d91

Aliases

arxiv: 1702.07930 · arxiv_version: 1702.07930v1 · doi: 10.48550/arxiv.1702.07930 · pith_short_12: PCWB3DQFMATD · pith_short_16: PCWB3DQFMATDKPZJ · pith_short_8: PCWB3DQF

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/PCWB3DQFMATDKPZJL3DMHIU64A \
  | 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: 78ac1d8e056026353f295ec6c3a29ee023fe9cf800a48bbc54d86eeff7801d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d22a5a358f646b63063a676012627515c3bc95d2b642f76315077ae762f0986b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2017-02-25T17:47:33Z",
    "title_canon_sha256": "159119b6aef44d66d183d91df9c463b8f43ebed03176f7773a90aca656d68579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07930",
    "kind": "arxiv",
    "version": 1
  }
}