Pith Number

pith:JDPTOJRU

pith:2013:JDPTOJRULH4XCDXJNJ57KFWHDG

not attested not anchored not stored refs pending

Are Planetary Systems Filled to Capacity? A Study Based on Kepler Results

Jean-Luc Margot, Julia Fang

arxiv:1302.7190 v1 · 2013-02-28 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDPTOJRULH4XCDXJNJ57KFWHDG}

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	2026-05-18T01:51:26.061378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48df37263459f9710ee96a7bf516c71998b688b51e22fb00530b5c9b8e9c5068

Aliases

arxiv: 1302.7190 · arxiv_version: 1302.7190v1 · doi: 10.48550/arxiv.1302.7190 · pith_short_12: JDPTOJRULH4X · pith_short_16: JDPTOJRULH4XCDXJ · pith_short_8: JDPTOJRU

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/JDPTOJRULH4XCDXJNJ57KFWHDG \
  | 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: 48df37263459f9710ee96a7bf516c71998b688b51e22fb00530b5c9b8e9c5068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d81ebd7ddff3e01621d9056cbe181cb6f024d2f5475835f829c06b755ea1a98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-28T13:35:23Z",
    "title_canon_sha256": "57648afc935381b39451955c240b45229ab7cdcb87027e9892df9fe18810dbff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7190",
    "kind": "arxiv",
    "version": 1
  }
}