Pith Number

pith:WIJPGMPM

pith:2014:WIJPGMPMQYAHLVQSOHVB35VDZY

not attested not anchored not stored refs pending

Orthogonal Rank-One Matrix Pursuit for Low Rank Matrix Completion

Hasan Davulcu, Jieping Ye, Ming-Jun Lai, Wei Fan, Zhaosong Lu, Zheng Wang

arxiv:1404.1377 v2 · 2014-04-04 · cs.LG · 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{WIJPGMPMQYAHLVQSOHVB35VDZY}

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	2026-05-18T02:54:06.461542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b212f331ec860075d61271ea1df6a3ce1e5b7db74c0372f9dc1b05bee80d5ff2

Aliases

arxiv: 1404.1377 · arxiv_version: 1404.1377v2 · doi: 10.48550/arxiv.1404.1377 · pith_short_12: WIJPGMPMQYAH · pith_short_16: WIJPGMPMQYAHLVQS · pith_short_8: WIJPGMPM

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/WIJPGMPMQYAHLVQSOHVB35VDZY \
  | 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: b212f331ec860075d61271ea1df6a3ce1e5b7db74c0372f9dc1b05bee80d5ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b6f00e1afb53f5466f20299ac4c9ab89f27f7505df93a11567116b78b6b6f7",
    "cross_cats_sorted": [
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-04-04T20:00:30Z",
    "title_canon_sha256": "d619340106dd01e879ea9bb0c4749b73dee59e5e55f72babc35093a35e580c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1377",
    "kind": "arxiv",
    "version": 2
  }
}