Pith Number

pith:NKYBGUOC

pith:2019:NKYBGUOCUR674HDZRC2H5NJK2W

not attested not anchored not stored refs pending

Double Weighted Truncated Nuclear Norm Regularization for Low-Rank Matrix Completion

Fan Liu, Shengke Xue, Wenyuan Qiu, Xinyu Jin

arxiv:1901.01711 v1 · 2019-01-07 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKYBGUOCUR674HDZRC2H5NJK2W}

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	2026-05-17T23:56:51.395819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab01351c2a47dfe1c7988b47eb52ad5a7451f8c401d7682538e95a8df9dbe01

Aliases

arxiv: 1901.01711 · arxiv_version: 1901.01711v1 · doi: 10.48550/arxiv.1901.01711 · pith_short_12: NKYBGUOCUR67 · pith_short_16: NKYBGUOCUR674HDZ · pith_short_8: NKYBGUOC

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/NKYBGUOCUR674HDZRC2H5NJK2W \
  | 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: 6ab01351c2a47dfe1c7988b47eb52ad5a7451f8c401d7682538e95a8df9dbe01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43cfcfa2cb4492d17a5ce447ea6eb4622aafb5d740d6efeaec841b35e1b43168",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-07T09:04:37Z",
    "title_canon_sha256": "63998a0e2fe820064dc7a106eae945f19f111d1ca4c0f1abfd89532d8448addf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01711",
    "kind": "arxiv",
    "version": 1
  }
}