Pith Number

pith:QIF4MNTC

pith:2015:QIF4MNTC2TGUXEKU47IJ6RXBXZ

not attested not anchored not stored refs pending

Matrix Completion Under Monotonic Single Index Models

Laura Balzano, Ravi Ganti, Rebecca Willett

arxiv:1512.08787 v1 · 2015-12-29 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIF4MNTC2TGUXEKU47IJ6RXBXZ}

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	2026-05-18T01:23:34.887095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

820bc63662d4cd4b9154e7d09f46e1be60eab7b36464b9219f9075a45d754f01

Aliases

arxiv: 1512.08787 · arxiv_version: 1512.08787v1 · doi: 10.48550/arxiv.1512.08787 · pith_short_12: QIF4MNTC2TGU · pith_short_16: QIF4MNTC2TGUXEKU · pith_short_8: QIF4MNTC

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/QIF4MNTC2TGUXEKU47IJ6RXBXZ \
  | 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: 820bc63662d4cd4b9154e7d09f46e1be60eab7b36464b9219f9075a45d754f01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a1b6747682c338eff719632a15bc21bd061577be3fb39af01435080a872d1f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-12-29T20:52:41Z",
    "title_canon_sha256": "da7769081ea911422f9d60dfc537259a6da86c4ad2fb2f13fb7ff1a9229116f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08787",
    "kind": "arxiv",
    "version": 1
  }
}