Pith Number

pith:FUQNQF7O

pith:2017:FUQNQF7ODLBB4NBCNQHQ6WN7VE

not attested not anchored not stored refs pending

A Non-monotone Alternating Updating Method for A Class of Matrix Factorization Problems

Lei Yang, Ting Kei Pong, Xiaojun Chen

arxiv:1705.06499 v2 · 2017-05-18 · math.OC · 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{FUQNQF7ODLBB4NBCNQHQ6WN7VE}

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	2026-05-18T00:16:03.201391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d20d817ee1ac21e34226c0f0f59bfa91b4ec939c22c28909773f6c2ae64f4d2

Aliases

arxiv: 1705.06499 · arxiv_version: 1705.06499v2 · doi: 10.48550/arxiv.1705.06499 · pith_short_12: FUQNQF7ODLBB · pith_short_16: FUQNQF7ODLBB4NBC · pith_short_8: FUQNQF7O

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/FUQNQF7ODLBB4NBCNQHQ6WN7VE \
  | 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: 2d20d817ee1ac21e34226c0f0f59bfa91b4ec939c22c28909773f6c2ae64f4d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aeae3f3f896b273972a2c1697830c36538a6f6578dfc0801ffbbe13028c9cea",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-05-18T09:55:17Z",
    "title_canon_sha256": "3f951e510e2b2e74818ecbb7be94e1873cd9509c44e63ec06f80337acb1964f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06499",
    "kind": "arxiv",
    "version": 2
  }
}