Pith Number

pith:WITX6AO4

pith:2018:WITX6AO4ZUS5YMP4PKWPKS7AP7

not attested not anchored not stored refs pending

An Instability in Variational Inference for Topic Models

Andrea Montanari, Behrooz Ghorbani, Hamid Javadi

arxiv:1802.00568 v1 · 2018-02-02 · 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{WITX6AO4ZUS5YMP4PKWPKS7AP7}

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	2026-05-18T00:24:32.866456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2277f01dccd25dc31fc7aacf54be07fe5e7f163392fb30884a44de8e132512c

Aliases

arxiv: 1802.00568 · arxiv_version: 1802.00568v1 · doi: 10.48550/arxiv.1802.00568 · pith_short_12: WITX6AO4ZUS5 · pith_short_16: WITX6AO4ZUS5YMP4 · pith_short_8: WITX6AO4

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/WITX6AO4ZUS5YMP4PKWPKS7AP7 \
  | 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: b2277f01dccd25dc31fc7aacf54be07fe5e7f163392fb30884a44de8e132512c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f41070927ac8992b3879be44272cfa6d6f489db348cc44868a6a9e2da3b377a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-02-02T05:52:48Z",
    "title_canon_sha256": "4279dacef50cdd64c48f2140a11fe29fb1141b3582e1ef50772018053a274fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00568",
    "kind": "arxiv",
    "version": 1
  }
}