Pith Number

pith:7QBRDF6R

pith:2018:7QBRDF6RBWGCIFQJ6EGQMCUJGT

not attested not anchored not stored refs pending

Matrix Completion with Side Information using Manifold Optimization

Mohamad Mahdi Mohades, Mohammad Hossein Kahaei

arxiv:1811.00572 v5 · 2018-11-01 · math.OC · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QBRDF6RBWGCIFQJ6EGQMCUJGT}

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	2026-07-04T23:58:04.922556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc031197d10d8c241609f10d060a8934d01ceaa8876a58f3afdbf6947cf62d71

Aliases

arxiv: 1811.00572 · arxiv_version: 1811.00572v5 · doi: 10.48550/arxiv.1811.00572 · pith_short_12: 7QBRDF6RBWGC · pith_short_16: 7QBRDF6RBWGCIFQJ · pith_short_8: 7QBRDF6R

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/7QBRDF6RBWGCIFQJ6EGQMCUJGT \
  | 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: fc031197d10d8c241609f10d060a8934d01ceaa8876a58f3afdbf6947cf62d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c0a0e501fdb881681f49833b7855a84cf4c43769e45cd64ba39a8e561aff2e2",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-01T18:16:26Z",
    "title_canon_sha256": "319b27d14b413b928e1f299e15e410e90758745ee382e370c2bd750997e3fa15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00572",
    "kind": "arxiv",
    "version": 5
  }
}