Pith Number

pith:TFKQSQ42

pith:2023:TFKQSQ42Q52VWBZVFB6OKAJIAL

not attested not anchored not stored refs pending

Semi-supervised Classification of Malware Families Under Extreme Class Imbalance via Hierarchical Non-Negative Matrix Factorization with Automatic Model Selection

Boian S. Alexandrov, Charles Nicholas, Edward Raff, Maksim E. Eren, Manish Bhattarai, Robert J. Joyce

arxiv:2309.06643 v1 · 2023-09-12 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFKQSQ42Q52VWBZVFB6OKAJIAL}

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	2026-07-05T06:50:20.654771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995509439a87755b0735287ce5012802c481db36fad4db8e83ea578fb8612c9c

Aliases

arxiv: 2309.06643 · arxiv_version: 2309.06643v1 · doi: 10.48550/arxiv.2309.06643 · pith_short_12: TFKQSQ42Q52V · pith_short_16: TFKQSQ42Q52VWBZV · pith_short_8: TFKQSQ42

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/TFKQSQ42Q52VWBZVFB6OKAJIAL \
  | 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: 995509439a87755b0735287ce5012802c481db36fad4db8e83ea578fb8612c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9b3fb09d73dba3e87ee2cb19c95cf821629d2b2acc147057a295aaafa918ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2023-09-12T23:45:59Z",
    "title_canon_sha256": "b31d01ba30d0d1f831ee108ff236a674b882f18be8e2f3f3a118596aa975881f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.06643",
    "kind": "arxiv",
    "version": 1
  }
}