Pith Number

pith:T7V4TZP4

pith:2011:T7V4TZP4AW5WRIFL5DMQF2XH5F

not attested not anchored not stored refs pending

High-Rank Matrix Completion and Subspace Clustering with Missing Data

Brian Eriksson, Laura Balzano, Robert Nowak

arxiv:1112.5629 v2 · 2011-12-23 · cs.IT · cs.LG · math.IT · 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{T7V4TZP4AW5WRIFL5DMQF2XH5F}

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	2026-05-18T04:05:37.855183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9febc9e5fc05bb68a0abe8d902eae7e971596061fb90ca3d534c69f0ecb25607

Aliases

arxiv: 1112.5629 · arxiv_version: 1112.5629v2 · doi: 10.48550/arxiv.1112.5629 · pith_short_12: T7V4TZP4AW5W · pith_short_16: T7V4TZP4AW5WRIFL · pith_short_8: T7V4TZP4

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/T7V4TZP4AW5WRIFL5DMQF2XH5F \
  | 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: 9febc9e5fc05bb68a0abe8d902eae7e971596061fb90ca3d534c69f0ecb25607

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb87a911610096f4936d83e13b7dc128411722fb5e543574c51f1cab0f9c431b",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-23T18:25:17Z",
    "title_canon_sha256": "a1bb5581500045146c5b77a417979f27f633ae54958f77f5fdadd4e0e399cb5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5629",
    "kind": "arxiv",
    "version": 2
  }
}