Pith Number

pith:QKSTGWE7

pith:2014:QKSTGWE7NKJ3O4VEQLTBM35D37

not attested not anchored not stored refs pending

Online Matrix Completion Through Nuclear Norm Regularisation

Charanpal Dhanjal (LTCI), Romaric Gaudel (LIFL), St\'ephan Cl\'emen\c{c}on (LTCI)

arxiv:1401.2451 v1 · 2014-01-10 · 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{QKSTGWE7NKJ3O4VEQLTBM35D37}

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	2026-05-18T03:02:45.214080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82a533589f6a93b772a482e6166fa3dfe7a99eeab40764de1aa1713d0bf92abb

Aliases

arxiv: 1401.2451 · arxiv_version: 1401.2451v1 · doi: 10.48550/arxiv.1401.2451 · pith_short_12: QKSTGWE7NKJ3 · pith_short_16: QKSTGWE7NKJ3O4VE · pith_short_8: QKSTGWE7

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/QKSTGWE7NKJ3O4VEQLTBM35D37 \
  | 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: 82a533589f6a93b772a482e6166fa3dfe7a99eeab40764de1aa1713d0bf92abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a38d27f92067bb400b1760e764f6063f4eb1ce84fb8420bb59dbe7254060c9f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-01-10T20:44:50Z",
    "title_canon_sha256": "349bb4339ce24e8685830135e18ea60ab693dc070e5c00bcb5318f91a085150c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2451",
    "kind": "arxiv",
    "version": 1
  }
}