Pith Number

pith:OKPTSP5S

pith:2011:OKPTSP5S3CKCS6PERYVOTY6GA7

not attested not anchored not stored refs pending

Solving Principal Component Pursuit in Linear Time via $l_1$ Filtering

Risheng Liu, Siming Wei, Zhixun Su, Zhouchen Lin

arxiv:1108.5359 v4 · 2011-08-26 · cs.NA · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKPTSP5S3CKCS6PERYVOTY6GA7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:56:22.544973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

729f393fb2d8942979e48e2ae9e3c607f2da0661ea0b4cebc79f985866b72d63

Aliases

arxiv: 1108.5359 · arxiv_version: 1108.5359v4 · doi: 10.48550/arxiv.1108.5359 · pith_short_12: OKPTSP5S3CKC · pith_short_16: OKPTSP5S3CKCS6PE · pith_short_8: OKPTSP5S

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/OKPTSP5S3CKCS6PERYVOTY6GA7 \
  | 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: 729f393fb2d8942979e48e2ae9e3c607f2da0661ea0b4cebc79f985866b72d63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "767d6a4339e2b13c292d084a52ab33445bf49e213722ad00defa1decd68c6027",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2011-08-26T17:40:30Z",
    "title_canon_sha256": "b719633bbd8e00ae36584c25b1427145e2255b7d00670e8b99c983c6d5afefe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5359",
    "kind": "arxiv",
    "version": 4
  }
}