Pith Number

pith:DVYJ2EBV

pith:2017:DVYJ2EBVMAGXOS3RNKFYDVF4AX

not attested not anchored not stored refs pending

Nonnegative/binary matrix factorization with a D-Wave quantum annealer

Boian S. Alexandrov, Daniel O'Malley, Ludmil B. Alexandrov, Velimir V. Vesselinov

arxiv:1704.01605 v1 · 2017-04-05 · cs.LG · quant-ph · 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{DVYJ2EBVMAGXOS3RNKFYDVF4AX}

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	2026-05-17T23:52:08.564903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d709d1035600d774b716a8b81d4bc05fd80762b3f2dad0b8ae727acf254e584

Aliases

arxiv: 1704.01605 · arxiv_version: 1704.01605v1 · doi: 10.48550/arxiv.1704.01605 · pith_short_12: DVYJ2EBVMAGX · pith_short_16: DVYJ2EBVMAGXOS3R · pith_short_8: DVYJ2EBV

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/DVYJ2EBVMAGXOS3RNKFYDVF4AX \
  | 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: 1d709d1035600d774b716a8b81d4bc05fd80762b3f2dad0b8ae727acf254e584

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed4c165b987a8dedc2c8746e7abc5ff283ce52195931ebfeaca62589372d9f92",
    "cross_cats_sorted": [
      "quant-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-04-05T18:49:56Z",
    "title_canon_sha256": "cecf7640f47f15c6c72c9280ce8467942d7f0e0472ef6d9be75108841a7d210d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01605",
    "kind": "arxiv",
    "version": 1
  }
}