Pith Number

pith:JBRGPM7G

pith:2025:JBRGPM7GJYQFKGDZXG6JBKACUQ

not attested not anchored not stored refs pending

Are binary-star populations regionally different? --in memory of Sverre Aarseth--

Pavel Kroupa (Bonn, Praha)

arxiv:2502.08710 v2 · 2025-02-12 · 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{JBRGPM7GJYQFKGDZXG6JBKACUQ}

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	2026-07-05T10:54:43.284264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

486267b3e64e20551879b9bc90a802a407edba028a6808ec7820b2c16b2f47e6

Aliases

arxiv: 2502.08710 · arxiv_version: 2502.08710v2 · doi: 10.48550/arxiv.2502.08710 · pith_short_12: JBRGPM7GJYQF · pith_short_16: JBRGPM7GJYQFKGDZ · pith_short_8: JBRGPM7G

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/JBRGPM7GJYQFKGDZXG6JBKACUQ \
  | 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: 486267b3e64e20551879b9bc90a802a407edba028a6808ec7820b2c16b2f47e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd6056e9bcf8d91bc26758501f3152053c63b5ebe49f27af9fd559a67945a7eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-12T19:00:01Z",
    "title_canon_sha256": "913a44f0219f9bbe3579a58bd7cf28f491d1de95b6a1654244f83fa42a3b9cac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08710",
    "kind": "arxiv",
    "version": 2
  }
}