Pith Number

pith:PNPDSFBZ

pith:2016:PNPDSFBZYO7GR5KJMLQULUTJAG

not attested not anchored not stored refs pending

On the Latent Variable Interpretation in Sum-Product Networks

Franz Pernkopf, Pedro Domingos, Robert Gens, Robert Peharz

arxiv:1601.06180 v2 · 2016-01-22 · cs.AI · 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{PNPDSFBZYO7GR5KJMLQULUTJAG}

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	2026-05-18T01:01:00.394113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b5e391439c3be68f54962e145d269018f377daeaf18d15e5bd6b830bebb1619

Aliases

arxiv: 1601.06180 · arxiv_version: 1601.06180v2 · doi: 10.48550/arxiv.1601.06180 · pith_short_12: PNPDSFBZYO7G · pith_short_16: PNPDSFBZYO7GR5KJ · pith_short_8: PNPDSFBZ

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/PNPDSFBZYO7GR5KJMLQULUTJAG \
  | 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: 7b5e391439c3be68f54962e145d269018f377daeaf18d15e5bd6b830bebb1619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d555a15fd1c7d5be035671d8ad3335c75ba3792c6d5f75c4b864b3d90db77f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-01-22T21:40:33Z",
    "title_canon_sha256": "c908622f099e691ad622a1cec07a50768a8a778746f5a7f98c05beab15993e16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06180",
    "kind": "arxiv",
    "version": 2
  }
}