Pith Number

pith:5WNBWNS2

pith:2015:5WNBWNS2AKACZ2VRIM5AQIQUAQ

not attested not anchored not stored refs pending

Stochastic Collapsed Variational Inference for Hidden Markov Models

Pengyu Wang, Phil Blunsom

arxiv:1512.01665 v1 · 2015-12-05 · 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{5WNBWNS2AKACZ2VRIM5AQIQUAQ}

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	2026-05-18T01:25:10.717887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed9a1b365a02802ceab1433a082214042e1018ae55795878ba16ae5d1d471d00

Aliases

arxiv: 1512.01665 · arxiv_version: 1512.01665v1 · doi: 10.48550/arxiv.1512.01665 · pith_short_12: 5WNBWNS2AKAC · pith_short_16: 5WNBWNS2AKACZ2VR · pith_short_8: 5WNBWNS2

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/5WNBWNS2AKACZ2VRIM5AQIQUAQ \
  | 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: ed9a1b365a02802ceab1433a082214042e1018ae55795878ba16ae5d1d471d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a693ad94de8e9b5ce697317d341f652d8aae7d6c081c4c3ca323e08af8c62e60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-12-05T13:39:18Z",
    "title_canon_sha256": "31d28c30106302231c3174004338dd4e9813c575d7b8ca829eb80e255b17a1c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01665",
    "kind": "arxiv",
    "version": 1
  }
}