Pith Number

pith:PBMR4HNK

pith:2019:PBMR4HNKOCQVPP7KJ2WLUPFIME

not attested not anchored not stored refs pending

Optimal low rank tensor recovery

Jian-Feng Cai, Lizhang Miao, Yang Wang, Yin Xian

arxiv:1906.05346 v3 · 2019-06-12 · stat.ML · cs.LG · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBMR4HNKOCQVPP7KJ2WLUPFIME}

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	2026-07-05T00:18:37.045826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78591e1daa70a157bfea4eacba3ca8611e5c383edaaa7fcdb037aada3355c2db

Aliases

arxiv: 1906.05346 · arxiv_version: 1906.05346v3 · doi: 10.48550/arxiv.1906.05346 · pith_short_12: PBMR4HNKOCQV · pith_short_16: PBMR4HNKOCQVPP7K · pith_short_8: PBMR4HNK

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/PBMR4HNKOCQVPP7KJ2WLUPFIME \
  | 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: 78591e1daa70a157bfea4eacba3ca8611e5c383edaaa7fcdb037aada3355c2db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a325bd3dd31c70e3cf96833d58a2bfa77fa1fcbe3f56e4f367c885a4cb076104",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-06-12T19:37:40Z",
    "title_canon_sha256": "9fff718be8fcbdb9c4ededd7e44f64b9d6a3df6318c49312679cc993bc6733c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05346",
    "kind": "arxiv",
    "version": 3
  }
}