Pith Number

pith:FRF3ULSO

pith:2015:FRF3ULSO256LYUGYYKNNLVK45L

not attested not anchored not stored refs pending

Completing Low-Rank Matrices with Corrupted Samples from Few Coefficients in General Basis

Chao Zhang, Hongyang Zhang, Zhouchen Lin

arxiv:1506.07615 v2 · 2015-06-25 · cs.IT · cs.LG · cs.NA · math.IT · math.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{FRF3ULSO256LYUGYYKNNLVK45L}

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	2026-05-18T00:57:50.581326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c4bba2e4ed77cbc50d8c29ad5d55cead446991e1f093a280d76314ae038d471

Aliases

arxiv: 1506.07615 · arxiv_version: 1506.07615v2 · doi: 10.48550/arxiv.1506.07615 · pith_short_12: FRF3ULSO256L · pith_short_16: FRF3ULSO256LYUGY · pith_short_8: FRF3ULSO

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/FRF3ULSO256LYUGYYKNNLVK45L \
  | 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: 2c4bba2e4ed77cbc50d8c29ad5d55cead446991e1f093a280d76314ae038d471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f849153c4692160a5508ba6f65719441e6cb180706559812b5aed93b7aa60a",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.IT",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-25T05:11:44Z",
    "title_canon_sha256": "ea713c4ea5325e0a7786ee132f5fae71de2bb0538f8647a4a24b9a634ad794ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07615",
    "kind": "arxiv",
    "version": 2
  }
}