Pith Number

pith:HG5WP5Q2

pith:2012:HG5WP5Q2Q2OLZA5WQTPWEIWE3D

not attested not anchored not stored refs pending

New Brown Dwarf Companions to Young Stars in Scorpius-Centaurus

Alexis Brandeker, David Lafreniere, John Gizis, Julien H. Girard, Mariangela Bonavita, Markus Janson, Ray Jayawardhana

arxiv:1209.2121 v1 · 2012-09-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG5WP5Q2Q2OLZA5WQTPWEIWE3D}

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	2026-05-18T01:54:37.446876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39bb67f61a869cbc83b684df6222c4d8f2590b94225677edd5c868cb1094042c

Aliases

arxiv: 1209.2121 · arxiv_version: 1209.2121v1 · doi: 10.48550/arxiv.1209.2121 · pith_short_12: HG5WP5Q2Q2OL · pith_short_16: HG5WP5Q2Q2OLZA5W · pith_short_8: HG5WP5Q2

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/HG5WP5Q2Q2OLZA5WQTPWEIWE3D \
  | 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: 39bb67f61a869cbc83b684df6222c4d8f2590b94225677edd5c868cb1094042c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb286eb5db8ee8b9ac9b230f3f8c56769f77cec63e94f6de20f7738a99b055c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-10T20:00:02Z",
    "title_canon_sha256": "c4a220f6f9a735b2f529464c1af713dd38378864703c2c3240668cb7a050fd30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2121",
    "kind": "arxiv",
    "version": 1
  }
}