Pith Number

pith:43YN4K6Z

pith:2009:43YN4K6ZBCFJMWBUH46QLO5RAM

not attested not anchored not stored refs pending

A census of AM CVn stars: three new candidates and one confirmed 48.3-minute binary

2), (2) Caltech, (3) CfA Harvard, (4) Radboud University Nijmegen, 5), (5) University of Warwick), Arne Rau (1, Danny Steeghs (3, Gijs H.A. Roelofs (3), Gijs Nelemans (4), Mansi M. Kasliwal (2) ((1) MPE Garching, Paul J. Groot (4), Tom R. Marsh (5)

arxiv:0909.4542 v1 · 2009-09-24 · 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{43YN4K6ZBCFJMWBUH46QLO5RAM}

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	2026-05-18T02:34:27.722344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f0de2bd9088a9658343f3d05bbb1030550f9156cbb25365c02a8986c55aaab

Aliases

arxiv: 0909.4542 · arxiv_version: 0909.4542v1 · doi: 10.48550/arxiv.0909.4542 · pith_short_12: 43YN4K6ZBCFJ · pith_short_16: 43YN4K6ZBCFJMWBU · pith_short_8: 43YN4K6Z

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/43YN4K6ZBCFJMWBUH46QLO5RAM \
  | 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: e6f0de2bd9088a9658343f3d05bbb1030550f9156cbb25365c02a8986c55aaab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4d9ef9a371727a10e99cc00159ac56f35e2ee1739c681fe575ea32fb5725fbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-24T20:02:50Z",
    "title_canon_sha256": "235d42c4df54ec9de9f8652ef6ddf47ef367c66ad5d59d18153c8f2f6e837488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4542",
    "kind": "arxiv",
    "version": 1
  }
}