Pith Number

pith:CX3JO6LK

pith:2010:CX3JO6LKTU4YCPESKVJH277JGU

not attested not anchored not stored refs pending

The puzzle of the cluster-forming core mass-radius relation and why it matters

Bonn University, Genevieve Parmentier, Germany), Pavel Kroupa (Argelander-Institut fuer Astronomie

arxiv:1009.5381 v1 · 2010-09-27 · 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{CX3JO6LKTU4YCPESKVJH277JGU}

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	2026-05-18T02:05:16.628136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15f697796a9d39813c9255527d7fe9352ff46378ce883f885282e86f52a16ed4

Aliases

arxiv: 1009.5381 · arxiv_version: 1009.5381v1 · doi: 10.48550/arxiv.1009.5381 · pith_short_12: CX3JO6LKTU4Y · pith_short_16: CX3JO6LKTU4YCPES · pith_short_8: CX3JO6LK

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/CX3JO6LKTU4YCPESKVJH277JGU \
  | 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: 15f697796a9d39813c9255527d7fe9352ff46378ce883f885282e86f52a16ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35f44310935df15e1c6f68f57d41949980e610d859414ae77d8727b620b0e0a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-09-27T20:00:23Z",
    "title_canon_sha256": "506e19aee368d0f77c13409ad20f09a4b0c9d1289db71ab93c711fa3fd76af98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5381",
    "kind": "arxiv",
    "version": 1
  }
}