Pith Number

pith:NET5SU5I

pith:2015:NET5SU5INFKCLJXV34W7TIAQSQ

not attested not anchored not stored refs pending

Fast Low-Rank Matrix Learning with Nonconvex Regularization

James T. Kwok, Quanming Yao, Wenliang Zhong

arxiv:1512.00984 v1 · 2015-12-03 · cs.NA · cs.LG · 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{NET5SU5INFKCLJXV34W7TIAQSQ}

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	2026-05-18T01:16:02.573415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6927d953a8695425a6f5df2df9a0109403114d70bff4c5e5a99b2678d008cf5f

Aliases

arxiv: 1512.00984 · arxiv_version: 1512.00984v1 · doi: 10.48550/arxiv.1512.00984 · pith_short_12: NET5SU5INFKC · pith_short_16: NET5SU5INFKCLJXV · pith_short_8: NET5SU5I

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/NET5SU5INFKCLJXV34W7TIAQSQ \
  | 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: 6927d953a8695425a6f5df2df9a0109403114d70bff4c5e5a99b2678d008cf5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e80cdb4603aca6fc2183f937cf2515db435178fcef7a2db29ef2fa9a2774214",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-12-03T08:32:17Z",
    "title_canon_sha256": "8307243da24bdc5aacd6960afb17cbaf77a0483bdaff8dfa6d25f174c5752d0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00984",
    "kind": "arxiv",
    "version": 1
  }
}