Pith Number

pith:AF6Y7DOH

pith:2010:AF6Y7DOH7YNFCUSN5ABMYR5DGJ

not attested not anchored not stored refs pending

Analyzing Weighted $\ell_1$ Minimization for Sparse Recovery with Nonuniform Sparse Models\footnote{The results of this paper were presented in part at the International Symposium on Information Theory, ISIT 2009}

A. Salman Avestimehr, Babak Hassibi, M. Amin Khajehnejad, Weiyu Xu

arxiv:1009.3525 v1 · 2010-09-18 · 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{AF6Y7DOH7YNFCUSN5ABMYR5DGJ}

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	2026-05-18T04:40:44.708112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017d8f8dc7fe1a51524de802cc47a3324be34421207e215550d5fdd2f07f472a

Aliases

arxiv: 1009.3525 · arxiv_version: 1009.3525v1 · doi: 10.48550/arxiv.1009.3525 · pith_short_12: AF6Y7DOH7YNF · pith_short_16: AF6Y7DOH7YNFCUSN · pith_short_8: AF6Y7DOH

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/AF6Y7DOH7YNFCUSN5ABMYR5DGJ \
  | 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: 017d8f8dc7fe1a51524de802cc47a3324be34421207e215550d5fdd2f07f472a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e2bad81bfaa26b6027449af848a3b5c0d647c500ba872f8bbf3714b4fe6a64",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-18T00:57:12Z",
    "title_canon_sha256": "696f4d9fb3dcd09a5973c52c501f2b883bd0da73297bfa0fe3f701ede0e487d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3525",
    "kind": "arxiv",
    "version": 1
  }
}