Pith Number

pith:XMMU4S42

pith:2015:XMMU4S42HMEIVKO7WRTIAT25Q4

not attested not anchored not stored refs pending

On some provably correct cases of variational inference for topic models

Andrej Risteski, Pranjal Awasthi

arxiv:1503.06567 v2 · 2015-03-23 · cs.LG · cs.DS · 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{XMMU4S42HMEIVKO7WRTIAT25Q4}

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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	2026-05-18T01:34:54.848277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb194e4b9a3b088aa9dfb466804f5d873f029884ece1b5017eb2bb17b035e430

Aliases

arxiv: 1503.06567 · arxiv_version: 1503.06567v2 · doi: 10.48550/arxiv.1503.06567 · pith_short_12: XMMU4S42HMEI · pith_short_16: XMMU4S42HMEIVKO7 · pith_short_8: XMMU4S42

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/XMMU4S42HMEIVKO7WRTIAT25Q4 \
  | 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: bb194e4b9a3b088aa9dfb466804f5d873f029884ece1b5017eb2bb17b035e430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cd73655cba729d834fff5bda01932055e989a483c61676a315367b1e4957827",
    "cross_cats_sorted": [
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-03-23T09:20:39Z",
    "title_canon_sha256": "c34ac46447e921d33013f4dba053efe073b322c06ba850d5c6cb39ac8f4c66d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06567",
    "kind": "arxiv",
    "version": 2
  }
}