Pith Number

pith:TYUQADHF

pith:2011:TYUQADHFP7XM5J75ON4ZQC66QE

not attested not anchored not stored refs pending

Improving the Thresholds of Sparse Recovery: An Analysis of a Two-Step Reweighted Basis Pursuit Algorithm

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

arxiv:1111.1396 v1 · 2011-11-06 · 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{TYUQADHFP7XM5J75ON4ZQC66QE}

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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	2026-05-18T04:09:26.283979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e29000ce57feecea7fd7379980bde811c26072290219057e84809fd1ad73bf5

Aliases

arxiv: 1111.1396 · arxiv_version: 1111.1396v1 · doi: 10.48550/arxiv.1111.1396 · pith_short_12: TYUQADHFP7XM · pith_short_16: TYUQADHFP7XM5J75 · pith_short_8: TYUQADHF

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/TYUQADHFP7XM5J75ON4ZQC66QE \
  | 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: 9e29000ce57feecea7fd7379980bde811c26072290219057e84809fd1ad73bf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ebbb8e4b76e7acca329257fd74822fd6893d03e8cc6662435997d9a42af283",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-06T10:31:17Z",
    "title_canon_sha256": "92fd966c1de81236e477bce4c4b4ed28d6cae80410b7a68575be519d9bbdf0be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1396",
    "kind": "arxiv",
    "version": 1
  }
}