Pith Number

pith:6JOVHAV3

pith:2016:6JOVHAV3NKGCFOR7A7JDXZDKES

not attested not anchored not stored refs pending

On Restricted Nonnegative Matrix Factorization

Dmitry Chistikov, Ines Maru\v{s}i\'c, James Worrell, Mahsa Shirmohammadi, Stefan Kiefer

arxiv:1605.07061 v1 · 2016-05-23 · cs.FL · cs.CC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JOVHAV3NKGCFOR7A7JDXZDKES}

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	2026-05-18T01:14:10.450070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f25d5382bb6a8c22ba3f07d23be46a2486daf5bc95793bab28cba98f6b791c9e

Aliases

arxiv: 1605.07061 · arxiv_version: 1605.07061v1 · doi: 10.48550/arxiv.1605.07061 · pith_short_12: 6JOVHAV3NKGC · pith_short_16: 6JOVHAV3NKGCFOR7 · pith_short_8: 6JOVHAV3

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/6JOVHAV3NKGCFOR7A7JDXZDKES \
  | 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: f25d5382bb6a8c22ba3f07d23be46a2486daf5bc95793bab28cba98f6b791c9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b1369a0f15c559e26cfe79858c0c1a3e96279dc295de90bb56e59e0984b553",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-05-23T15:26:26Z",
    "title_canon_sha256": "0bd198f78ee05da14b2ef55f5a2550566168c7c645033b0e203e1f98b88513ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07061",
    "kind": "arxiv",
    "version": 1
  }
}