Pith Number

pith:W3VHSVG5

pith:2011:W3VHSVG5P4ZFVBRPIPHRRAR7Z3

not attested not anchored not stored refs pending

Low-mass stellar and substellar companions to sdB stars

C. Heuser, C. Koen, H. Drechsel, H. Edelmann, K. Nagel, L. Classen, L. Morales-Rueda, P. Bruenner, S. Geier, S. J. O'Toole, U. Heber, V. Schaffenroth

arxiv:1112.2929 v1 · 2011-12-13 · 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{W3VHSVG5P4ZFVBRPIPHRRAR7Z3}

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	2026-05-18T04:06:31.958637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ea7954dd7f325a862f43cf18823fced837d9549ea05a869e0e9e147e529d23

Aliases

arxiv: 1112.2929 · arxiv_version: 1112.2929v1 · doi: 10.48550/arxiv.1112.2929 · pith_short_12: W3VHSVG5P4ZF · pith_short_16: W3VHSVG5P4ZFVBRP · pith_short_8: W3VHSVG5

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/W3VHSVG5P4ZFVBRPIPHRRAR7Z3 \
  | 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: b6ea7954dd7f325a862f43cf18823fced837d9549ea05a869e0e9e147e529d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3c3704819ed15c0246a45f5b5aeb5799c760ea892f6567fc60aaee8405c201d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-13T15:58:31Z",
    "title_canon_sha256": "5945228173cdb0cf0439605bd8da49227b4dbb6a2073f45873ae3ac486db9745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2929",
    "kind": "arxiv",
    "version": 1
  }
}