Pith Number

pith:LR7NL5I3

pith:2012:LR7NL5I3AG3HIWF2ICK6NFXGY2

not attested not anchored not stored refs pending

On Smoothing and Inference for Topic Models

Arthur Asuncion, Max Welling, Padhraic Smyth, Yee Whye Teh

arxiv:1205.2662 v1 · 2012-05-09 · 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{LR7NL5I3AG3HIWF2ICK6NFXGY2}

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	2026-05-18T03:55:47.550695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c7ed5f51b01b67458ba4095e696e6c6a3b5b085df3384f1c60b9c62acec1e75

Aliases

arxiv: 1205.2662 · arxiv_version: 1205.2662v1 · doi: 10.48550/arxiv.1205.2662 · pith_short_12: LR7NL5I3AG3H · pith_short_16: LR7NL5I3AG3HIWF2 · pith_short_8: LR7NL5I3

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/LR7NL5I3AG3HIWF2ICK6NFXGY2 \
  | 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: 5c7ed5f51b01b67458ba4095e696e6c6a3b5b085df3384f1c60b9c62acec1e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d71710adfcb5c15dd609432be10053e2412b68de3064707853c6042b1f95511f",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-05-09T14:43:32Z",
    "title_canon_sha256": "aa4fed73a67e0d5adcd9787a188afee03739654f3f94781b6789cf68385aa91d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2662",
    "kind": "arxiv",
    "version": 1
  }
}