Pith Number

pith:NXIFM4RK

pith:2018:NXIFM4RKMLT2LL5ORNYYR3SCZQ

not attested not anchored not stored refs pending

Nonconvex Robust Low-rank Matrix Recovery

Anthony Man-Cho So, Rene Vidal, Xiao Li, Zhihui Zhu

arxiv:1809.09237 v4 · 2018-09-24 · 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{NXIFM4RKMLT2LL5ORNYYR3SCZQ}

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	2026-05-17T23:40:41.531306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dd056722a62e7a5afae8b7188ee42cc115a7fde4931d72d51736458892e5deb

Aliases

arxiv: 1809.09237 · arxiv_version: 1809.09237v4 · doi: 10.48550/arxiv.1809.09237 · pith_short_12: NXIFM4RKMLT2 · pith_short_16: NXIFM4RKMLT2LL5O · pith_short_8: NXIFM4RK

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/NXIFM4RKMLT2LL5ORNYYR3SCZQ \
  | 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: 6dd056722a62e7a5afae8b7188ee42cc115a7fde4931d72d51736458892e5deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b229d583168319666a2f2bc2cd6c1371bc1d3a88ff22f48248abe6d0a96032e9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-24T22:07:50Z",
    "title_canon_sha256": "2660dbc3e1478c486340ede703a94fa5e6e822ab24c544e839c8c2bd249fa1e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09237",
    "kind": "arxiv",
    "version": 4
  }
}