Pith Number

pith:YHZQL4X6

pith:2020:YHZQL4X6X3MZMH3PAZJCA66YXV

not attested not anchored not stored refs pending

ML-MOC: Machine Learning (kNN and GMM) based Membership Determination for Open Clusters

Kaushar Vaidya, Khushboo K. Rao, Manan Agarwal, Souradeep Bhattacharya

arxiv:2011.13622 v2 · 2020-11-27 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHZQL4X6X3MZMH3PAZJCA66YXV}

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	2026-07-05T02:14:56.073500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1f305f2febed9961f6f0652207bd8bd5d207a777482b4da481140e140abc51a

Aliases

arxiv: 2011.13622 · arxiv_version: 2011.13622v2 · doi: 10.48550/arxiv.2011.13622 · pith_short_12: YHZQL4X6X3MZ · pith_short_16: YHZQL4X6X3MZMH3P · pith_short_8: YHZQL4X6

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/YHZQL4X6X3MZMH3PAZJCA66YXV \
  | 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: c1f305f2febed9961f6f0652207bd8bd5d207a777482b4da481140e140abc51a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb2c0636315cccf35c6dbf59bea812038d52fefa7332582827ceeaf5bf697b25",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-11-27T09:26:00Z",
    "title_canon_sha256": "417c4b4456d72f0f42573482aff8b08fa10c84aa1c1e316cdda7776babe3763e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13622",
    "kind": "arxiv",
    "version": 2
  }
}