Pith Number

pith:JNUNXG4O

pith:2024:JNUNXG4OWFTWIIBSOG3XQM6ZWE

not attested not anchored not stored refs pending

Randomized Algorithms for Symmetric Nonnegative Matrix Factorization

Grey Ballard, Haesun Park, Koby Hayashi, Sinan G. Aksoy

arxiv:2402.08134 v2 · 2024-02-13 · cs.LG · cs.NA · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNUNXG4OWFTWIIBSOG3XQM6ZWE}

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	2026-07-05T09:41:31.950477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b68db9b8eb16764203271b77833d9b102e9fdc1cf67d84c19c45b689149cecc

Aliases

arxiv: 2402.08134 · arxiv_version: 2402.08134v2 · doi: 10.48550/arxiv.2402.08134 · pith_short_12: JNUNXG4OWFTW · pith_short_16: JNUNXG4OWFTWIIBS · pith_short_8: JNUNXG4O

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/JNUNXG4OWFTWIIBSOG3XQM6ZWE \
  | 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: 4b68db9b8eb16764203271b77833d9b102e9fdc1cf67d84c19c45b689149cecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5edfb25fdd4a0c11c2495365e49ec72e6cc1c975942485aa2fee2e0c1da7e804",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-02-13T00:02:05Z",
    "title_canon_sha256": "2ba34aa3ff79f40058bdc650fd94cc4f3f2309b646d0fcf925008c6e1ac4dfa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.08134",
    "kind": "arxiv",
    "version": 2
  }
}