Pith Number

pith:UZCOCY4M

pith:2018:UZCOCY4MQFNS7IZAARUECBCU6X

not attested not anchored not stored refs pending

Recovery of simultaneous low rank and two-way sparse coefficient matrices, a nonconvex approach

Ming Yu, Mladen Kolar, Varun Gupta

arxiv:1802.06967 v2 · 2018-02-20 · 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{UZCOCY4MQFNS7IZAARUECBCU6X}

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	2026-05-17T23:48:55.673749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a644e1638c815b2fa3200468410454f5ce038b77bfab0b3958a443dd0e1992af

Aliases

arxiv: 1802.06967 · arxiv_version: 1802.06967v2 · doi: 10.48550/arxiv.1802.06967 · pith_short_12: UZCOCY4MQFNS · pith_short_16: UZCOCY4MQFNS7IZA · pith_short_8: UZCOCY4M

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/UZCOCY4MQFNS7IZAARUECBCU6X \
  | 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: a644e1638c815b2fa3200468410454f5ce038b77bfab0b3958a443dd0e1992af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "378933b189ad476bac1c2c0af91e1476ba7b6944d6b48ea6af2c4d8c488ef9b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-02-20T04:52:26Z",
    "title_canon_sha256": "7943613d35ad64a32e26d478520fc88ce3727c0c4a19a4da351f8165697f48a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06967",
    "kind": "arxiv",
    "version": 2
  }
}