Pith Number

pith:6QSXNJ32

pith:2013:6QSXNJ32CUF2YASH74KF5IWVBU

not attested not anchored not stored refs pending

Convergence Speed of a Dynamical System for Sparse Recovery

Aur\`ele Balavoine, Christopher J. Rozell, Justin Romberg

arxiv:1301.1272 v2 · 2013-01-07 · math.DS · math.CA · 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{6QSXNJ32CUF2YASH74KF5IWVBU}

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	2026-05-18T00:45:52.579859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42576a77a150bac0247ff145ea2d50d1862d3f9fb1867d49bf5fa2e24ae0779

Aliases

arxiv: 1301.1272 · arxiv_version: 1301.1272v2 · doi: 10.48550/arxiv.1301.1272 · pith_short_12: 6QSXNJ32CUF2 · pith_short_16: 6QSXNJ32CUF2YASH · pith_short_8: 6QSXNJ32

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/6QSXNJ32CUF2YASH74KF5IWVBU \
  | 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: f42576a77a150bac0247ff145ea2d50d1862d3f9fb1867d49bf5fa2e24ae0779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d492b072a5fe42cdfde196e7699af9f98c995528f8f5af31213ebd7f7ab2b35",
    "cross_cats_sorted": [
      "math.CA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-01-07T17:27:50Z",
    "title_canon_sha256": "fd8a529ae1d818eb145cfc75a06583baf28972a6f53348d9fdcd282a86f5b817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1272",
    "kind": "arxiv",
    "version": 2
  }
}