Pith Number

pith:C7WL3CN5

pith:2019:C7WL3CN5R4BEQVNTNN5JLFQFVC

not attested not anchored not stored refs pending

A Variational Autoencoder for Probabilistic Non-Negative Matrix Factorisation

Adam Pr\"ugel Bennett, Mahesan Niranjan, Steven Squires

arxiv:1906.05912 v1 · 2019-06-13 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7WL3CN5R4BEQVNTNN5JLFQFVC}

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	2026-05-17T23:43:20.343378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ecbd89bd8f024855b36b7a959605a89f804203f4753e764f8cc40219c6bc76

Aliases

arxiv: 1906.05912 · arxiv_version: 1906.05912v1 · doi: 10.48550/arxiv.1906.05912 · pith_short_12: C7WL3CN5R4BE · pith_short_16: C7WL3CN5R4BEQVNT · pith_short_8: C7WL3CN5

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/C7WL3CN5R4BEQVNTNN5JLFQFVC \
  | 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: 17ecbd89bd8f024855b36b7a959605a89f804203f4753e764f8cc40219c6bc76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52b1dc7ba5fb8db974bd17c707e4ae141cf9b554aa6351b3ae0acf2979bc293e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-13T20:05:15Z",
    "title_canon_sha256": "c05954a3fe4233d25c3f3552a59e2953ca80f695b08f7354d637d317b9dccdde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05912",
    "kind": "arxiv",
    "version": 1
  }
}