Pith Number

pith:M4KC6BJ2

pith:2017:M4KC6BJ2EU6NMDMDSBANWVDL7G

not attested not anchored not stored refs pending

Classifying Exoplanets with Gaussian Mixture Model

Shantanu Desai, Soham Kulkarni

arxiv:1708.00605 v2 · 2017-08-02 · astro-ph.IM · astro-ph.EP · astro-ph.HE · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4KC6BJ2EU6NMDMDSBANWVDL7G}

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	2026-05-18T00:08:46.419077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67142f053a253cd60d839040db546bf98d7a1b4b3dd113f44da05d4e861d8f61

Aliases

arxiv: 1708.00605 · arxiv_version: 1708.00605v2 · doi: 10.48550/arxiv.1708.00605 · pith_short_12: M4KC6BJ2EU6N · pith_short_16: M4KC6BJ2EU6NMDMD · pith_short_8: M4KC6BJ2

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/M4KC6BJ2EU6NMDMDSBANWVDL7G \
  | 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: 67142f053a253cd60d839040db546bf98d7a1b4b3dd113f44da05d4e861d8f61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9ab9610ddd26abd9634cc329dfdeda85387fc1591431a1f52601eddb36f75c",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.HE",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-08-02T05:04:16Z",
    "title_canon_sha256": "0fac1d8fa13d1ef44041a202fcfe4195ad01ec57a938c461d5006922abded083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00605",
    "kind": "arxiv",
    "version": 2
  }
}