Pith Number

pith:SVQ5HTKV

pith:2017:SVQ5HTKVUWRI4YTBVNT3WZPJXS

not attested not anchored not stored refs pending

An Open Source C++ Implementation of Multi-Threaded Gaussian Mixture Models, k-Means and Expectation Maximisation

Conrad Sanderson, Ryan Curtin

arxiv:1707.09094 v1 · 2017-07-28 · cs.MS · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVQ5HTKVUWRI4YTBVNT3WZPJXS}

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	2026-05-18T00:16:23.668996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9561d3cd55a5a28e6261ab67bb65e9bcb1e02f9198e62e7bb23203dd7d258195

Aliases

arxiv: 1707.09094 · arxiv_version: 1707.09094v1 · doi: 10.48550/arxiv.1707.09094 · pith_short_12: SVQ5HTKVUWRI · pith_short_16: SVQ5HTKVUWRI4YTB · pith_short_8: SVQ5HTKV

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/SVQ5HTKVUWRI4YTBVNT3WZPJXS \
  | 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: 9561d3cd55a5a28e6261ab67bb65e9bcb1e02f9198e62e7bb23203dd7d258195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "868343f1069a9d51ad20e06b7c79253c04f699d265db5b99b4eba9163ee1d850",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2017-07-28T03:15:22Z",
    "title_canon_sha256": "f6d3204a10f70da8af866014d1125f90b631674a82459f77d70b1bf4a93ad2cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09094",
    "kind": "arxiv",
    "version": 1
  }
}