Pith Number

pith:Y5MCWCYD

pith:2010:Y5MCWCYDBDFQVPM2XIVLHG3BAG

not attested not anchored not stored refs pending

On Low Rank Matrix Approximations with Applications to Synthesis Problem in Compressed Sensing

Anatoli Juditsky (LJK), Arkadii S. Nemirovski (ISyE), Fatma Kilinc Karzan (ISyE)

arxiv:1001.5103 v2 · 2010-01-28 · math.OC · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5MCWCYDBDFQVPM2XIVLHG3BAG}

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	2026-05-18T02:54:31.078546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7582b0b0308cb0abd9aba2ab39b6101b61dfddb1753a3701ad7f3855dd0f717

Aliases

arxiv: 1001.5103 · arxiv_version: 1001.5103v2 · doi: 10.48550/arxiv.1001.5103 · pith_short_12: Y5MCWCYDBDFQ · pith_short_16: Y5MCWCYDBDFQVPM2 · pith_short_8: Y5MCWCYD

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/Y5MCWCYDBDFQVPM2XIVLHG3BAG \
  | 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: c7582b0b0308cb0abd9aba2ab39b6101b61dfddb1753a3701ad7f3855dd0f717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f602b9e6ba1ba1f216a17c26e44294feed16fa43e2b600f399e76d5b956a5bae",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-01-28T05:28:53Z",
    "title_canon_sha256": "30a1d7fc2eafec8eff51b99a9fafbf651efba5f33f99b83199d1bc2e4445b27a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.5103",
    "kind": "arxiv",
    "version": 2
  }
}