Pith Number

pith:BYVFIIH7

pith:2024:BYVFIIH7XRZIDNRLGGALSXVFDM

not attested not anchored not stored refs pending

An optimal pairwise merge algorithm improves the quality and consistency of nonnegative matrix factorization

Timothy E. Holy, Youdong Guo

arxiv:2408.09013 v2 · 2024-08-16 · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYVFIIH7XRZIDNRLGGALSXVFDM}

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	2026-07-05T09:27:24.643916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2a5420ffbc7281b62b3180b95ea51b0253caf3f59d3eb906916dd2e78fc075

Aliases

arxiv: 2408.09013 · arxiv_version: 2408.09013v2 · doi: 10.48550/arxiv.2408.09013 · pith_short_12: BYVFIIH7XRZI · pith_short_16: BYVFIIH7XRZIDNRL · pith_short_8: BYVFIIH7

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/BYVFIIH7XRZIDNRLGGALSXVFDM \
  | 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: 0e2a5420ffbc7281b62b3180b95ea51b0253caf3f59d3eb906916dd2e78fc075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d408a528c1a98fbf4d44b5f4057aa667b0a39956fbd3519251991c11854926",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-08-16T20:43:42Z",
    "title_canon_sha256": "b0c6ff8fb228ea760e51d14a6d8ed2c1309c212a0e8e95c63b2eaddbc515ccc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.09013",
    "kind": "arxiv",
    "version": 2
  }
}