Pith Number

pith:XB2YPBPA

pith:2019:XB2YPBPANSRLBINX7VLEE4D5RE

not attested not anchored not stored refs pending

Do star clusters form in a completely mass-segregated way?

Ladislav \v{S}ubr, Pavel Kroupa, V\'aclav Pavl\'ik

arxiv:1905.09289 v2 · 2019-05-22 · 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{XB2YPBPANSRLBINX7VLEE4D5RE}

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	2026-05-17T23:43:00.162787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8758785e06ca2b0a1b7fd5642707d89105f0c36ae5fcc92eb5414bdc3e20eb6

Aliases

arxiv: 1905.09289 · arxiv_version: 1905.09289v2 · doi: 10.48550/arxiv.1905.09289 · pith_short_12: XB2YPBPANSRL · pith_short_16: XB2YPBPANSRLBINX · pith_short_8: XB2YPBPA

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/XB2YPBPANSRLBINX7VLEE4D5RE \
  | 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: b8758785e06ca2b0a1b7fd5642707d89105f0c36ae5fcc92eb5414bdc3e20eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "169a572d70eb3af3a706876a7bd545306e2b8e2ad2abeda0cab182f37e7d11ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-22T18:00:01Z",
    "title_canon_sha256": "db777986eff9a18db4f29ca47d65787de9a70ebec01c12cd0ead2ca19532de86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09289",
    "kind": "arxiv",
    "version": 2
  }
}