Pith Number

pith:N33LJUCR

pith:2013:N33LJUCRBGQ2YDHFGCVG33VL4I

not attested not anchored not stored refs pending

The galactocentric radius dependent upper mass limit of young star clusters: stochastic star formation ruled out

Jan Pflamm-Altenburg (HISKP), Pavel Kroupa (HISKP), Rosa A. Gonzalez-L\'opezlira (UNAM)

arxiv:1310.0012 v1 · 2013-09-30 · 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{N33LJUCRBGQ2YDHFGCVG33VL4I}

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	2026-05-18T01:47:24.222254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ef6b4d05109a1ac0ce530aa6deeabe217031cdb1796a413474049ff79a120a3

Aliases

arxiv: 1310.0012 · arxiv_version: 1310.0012v1 · doi: 10.48550/arxiv.1310.0012 · pith_short_12: N33LJUCRBGQ2 · pith_short_16: N33LJUCRBGQ2YDHF · pith_short_8: N33LJUCR

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/N33LJUCRBGQ2YDHFGCVG33VL4I \
  | 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: 6ef6b4d05109a1ac0ce530aa6deeabe217031cdb1796a413474049ff79a120a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24cbb9bae159f4cdb503f3d0f559d996e235cb10462e74ac2505d99ef51df749",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-30T20:00:01Z",
    "title_canon_sha256": "11f375a5bf5ffd74ce36ddc19ab50574b736813ce21d8ce77da99417a4a22c54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0012",
    "kind": "arxiv",
    "version": 1
  }
}