Pith Number

pith:BO3HX2WP

pith:2015:BO3HX2WPSNNDYVEG4YPDB7CEDR

not attested not anchored not stored refs pending

Guarantees of Riemannian Optimization for Low Rank Matrix Recovery

Jian-Feng Cai, Ke Wei, Shingyu Leung, Tony F. Chan

arxiv:1511.01562 v8 · 2015-11-05 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BO3HX2WPSNNDYVEG4YPDB7CEDR}

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	2026-05-18T01:17:25.114460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bb67beacf935a3c5486e61e30fc441c4ca189098ece07b51c5aaecd98bb5c3a

Aliases

arxiv: 1511.01562 · arxiv_version: 1511.01562v8 · doi: 10.48550/arxiv.1511.01562 · pith_short_12: BO3HX2WPSNND · pith_short_16: BO3HX2WPSNNDYVEG · pith_short_8: BO3HX2WP

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/BO3HX2WPSNNDYVEG4YPDB7CEDR \
  | 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: 0bb67beacf935a3c5486e61e30fc441c4ca189098ece07b51c5aaecd98bb5c3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c867893c12f59263b2d3a6bd288c2a31fd117fdc220f689318f6ae7472276c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-05T00:46:14Z",
    "title_canon_sha256": "ff2bfcc5a50a62f69d6327f159b118a9316ff5e5847476dccb004359f311272c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01562",
    "kind": "arxiv",
    "version": 8
  }
}