Pith Number

pith:WVSCP5MV

pith:2017:WVSCP5MV6QJEHMWY6BRLISHMMJ

not attested not anchored not stored refs pending

Recovery of Sparse and Low Rank Components of Matrices Using Iterative Method with Adaptive Thresholding

Farokh Marvasti, Nematollah Zarmehi

arxiv:1703.03722 v2 · 2017-03-09 · cs.NA · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVSCP5MV6QJEHMWY6BRLISHMMJ}

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	2026-05-18T00:46:28.955003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b56427f595f41243b2d8f062b448ec6254a0c59926955bc3d9dc317fe4bc7007

Aliases

arxiv: 1703.03722 · arxiv_version: 1703.03722v2 · doi: 10.48550/arxiv.1703.03722 · pith_short_12: WVSCP5MV6QJE · pith_short_16: WVSCP5MV6QJEHMWY · pith_short_8: WVSCP5MV

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/WVSCP5MV6QJEHMWY6BRLISHMMJ \
  | 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: b56427f595f41243b2d8f062b448ec6254a0c59926955bc3d9dc317fe4bc7007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f7dd1744d618f4a48c23819d90f3d2aef3a52d41fb7897f656495500a987a8",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-03-09T17:06:21Z",
    "title_canon_sha256": "3e893a3a7cd1a9fbc62000e04ad06eb2b0157db287be5722ba503dcb8e8c326b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03722",
    "kind": "arxiv",
    "version": 2
  }
}