Pith Number

pith:C6SPX25O

pith:2019:C6SPX25O6XVUMNC6IE7KUNVLGR

not attested not anchored not stored refs pending

Optimisation of Overparametrized Sum-Product Networks

Franz Pernkopf, Martin Trapp, Robert Peharz

arxiv:1905.08196 v2 · 2019-05-20 · 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{C6SPX25O6XVUMNC6IE7KUNVLGR}

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	2026-05-17T23:44:47.216122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a4fbebaef5eb46345e413eaa36ab34723f178b755f7fdbf3617900851b2b9d

Aliases

arxiv: 1905.08196 · arxiv_version: 1905.08196v2 · doi: 10.48550/arxiv.1905.08196 · pith_short_12: C6SPX25O6XVU · pith_short_16: C6SPX25O6XVUMNC6 · pith_short_8: C6SPX25O

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/C6SPX25O6XVUMNC6IE7KUNVLGR \
  | 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: 17a4fbebaef5eb46345e413eaa36ab34723f178b755f7fdbf3617900851b2b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662c90f6def58d23594c0aa7598956936a44b3f85e1374dbe5946feebe265f17",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-20T16:23:10Z",
    "title_canon_sha256": "c31c4569fe847476a80c818e6d971aba0b7ce29ff476a924ab0f8d829e33b003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08196",
    "kind": "arxiv",
    "version": 2
  }
}