Pith Number

pith:Z7X7LIP5

pith:2018:Z7X7LIP54TEMYN5OHCMCHVCDF7

not attested not anchored not stored refs pending

Sum-Product Networks for Sequence Labeling

Franz Pernkopf, Martin Ratajczak, Sebastian Tschiatschek

arxiv:1807.02324 v1 · 2018-07-06 · 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{Z7X7LIP54TEMYN5OHCMCHVCDF7}

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	2026-05-18T00:11:22.399710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfeff5a1fde4c8cc37ae389823d4432fdac1742d199870840b90f79cef960fd3

Aliases

arxiv: 1807.02324 · arxiv_version: 1807.02324v1 · doi: 10.48550/arxiv.1807.02324 · pith_short_12: Z7X7LIP54TEM · pith_short_16: Z7X7LIP54TEMYN5O · pith_short_8: Z7X7LIP5

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/Z7X7LIP54TEMYN5OHCMCHVCDF7 \
  | 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: cfeff5a1fde4c8cc37ae389823d4432fdac1742d199870840b90f79cef960fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54b54b0355435883a679ced56159882b9c8b85757a6288f6bedccc87b61b8dd2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-07-06T09:22:12Z",
    "title_canon_sha256": "62fd28ff506ab0d8fd2dbd0d49b910eefbcce1be9b646afd589482068596f98c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02324",
    "kind": "arxiv",
    "version": 1
  }
}