Pith Number

pith:VZMCNVCL

pith:2017:VZMCNVCLH4VULLGQEO5WHEYIH5

not attested not anchored not stored refs pending

SpectralLeader: Online Spectral Learning for Single Topic Models

Branislav Kveton, Hung Bui, Ole J. Mengshoel, Tong Yu, Zheng Wen

arxiv:1709.07172 v4 · 2017-09-21 · 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{VZMCNVCLH4VULLGQEO5WHEYIH5}

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	2026-05-18T00:17:30.625980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae5826d44b3f2b45acd023bb6393083f6191caf98dd0841cbe256467cae16081

Aliases

arxiv: 1709.07172 · arxiv_version: 1709.07172v4 · doi: 10.48550/arxiv.1709.07172 · pith_short_12: VZMCNVCLH4VU · pith_short_16: VZMCNVCLH4VULLGQ · pith_short_8: VZMCNVCL

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/VZMCNVCLH4VULLGQEO5WHEYIH5 \
  | 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: ae5826d44b3f2b45acd023bb6393083f6191caf98dd0841cbe256467cae16081

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6cfccdf1c6fe84565993a8e8a5a4b7d9651b414683cb329d4c7ea125a70aa0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-09-21T06:24:51Z",
    "title_canon_sha256": "ad0f98eb521c63209e0f16049e4a673a5cad182658c4a3c162bd21198de0a23e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07172",
    "kind": "arxiv",
    "version": 4
  }
}