Pith Number

pith:GJHK6NVE

pith:2019:GJHK6NVEFCF56UUDU6WMBR2BOS

not attested not anchored not stored refs pending

Recovery of a mixture of Gaussians by sum-of-norms clustering

Chen Wen Zhai, Stephen Vavasis, Tao Jiang

arxiv:1902.07137 v1 · 2019-02-19 · 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{GJHK6NVEFCF56UUDU6WMBR2BOS}

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	2026-05-17T23:53:39.799730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

324eaf36a4288bdf5283a7acc0c74174bd501357a67d97d480adde9b62f88915

Aliases

arxiv: 1902.07137 · arxiv_version: 1902.07137v1 · doi: 10.48550/arxiv.1902.07137 · pith_short_12: GJHK6NVEFCF5 · pith_short_16: GJHK6NVEFCF56UUD · pith_short_8: GJHK6NVE

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/GJHK6NVEFCF56UUDU6WMBR2BOS \
  | 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: 324eaf36a4288bdf5283a7acc0c74174bd501357a67d97d480adde9b62f88915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8490d69426b6d3a8bef5dded22eb7a59cf5bfb809ffc34b1398f1a861a4cdec0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-19T16:49:02Z",
    "title_canon_sha256": "79a3b1867c4998757a90baee2117008afeb7b36f2c2b7bd1ae4c23f94b35a024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07137",
    "kind": "arxiv",
    "version": 1
  }
}