Pith Number

pith:U5KZHGJL

pith:2019:U5KZHGJLGL54D7MVZMDCSUJNCD

not attested not anchored not stored refs pending

C-SALT: Mining Class-Specific ALTerations in Boolean Matrix Factorization

Katharina Morik, Sibylle Hess

arxiv:1906.09907 v1 · 2019-06-17 · 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{U5KZHGJLGL54D7MVZMDCSUJNCD}

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	2026-05-17T23:42:36.216991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75593992b32fbc1fd95cb0629512d10e9890dbb862e6f1f0c78ad2fe1d8f0b5

Aliases

arxiv: 1906.09907 · arxiv_version: 1906.09907v1 · doi: 10.48550/arxiv.1906.09907 · pith_short_12: U5KZHGJLGL54 · pith_short_16: U5KZHGJLGL54D7MV · pith_short_8: U5KZHGJL

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/U5KZHGJLGL54D7MVZMDCSUJNCD \
  | 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: a75593992b32fbc1fd95cb0629512d10e9890dbb862e6f1f0c78ad2fe1d8f0b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbb0687da7d345dec3994b976e929161ae2b858acdd09b06ad1fcbf3c04894f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-17T22:38:00Z",
    "title_canon_sha256": "96bbd25cec991b4ccb5a9f30310c2eab6c5c25f7298de159e945689fffdb6bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09907",
    "kind": "arxiv",
    "version": 1
  }
}