Pith Number

pith:3KQ6MIDE

pith:2012:3KQ6MIDERCHEGB4MLDIDKMD7OI

not attested not anchored not stored refs pending

Discovery of the closest hot subdwarf binary with white dwarf companion

A. Shporer, B. H. Dunlap, B. Miszalski, B. N. Barlow, B. T. Gaensicke, E. Ziegerer, J. H. Telting, P. F. L. Maxted, R. H. Oestensen, R. Napiwotzki, S. Geier, S. J. O'Toole, T. Kupfer, T. R. Marsh, U. Heber, V. Schaffenroth

arxiv:1209.4740 v1 · 2012-09-21 · 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{3KQ6MIDERCHEGB4MLDIDKMD7OI}

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	2026-05-18T03:45:10.101924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daa1e62064888e43078c58d035307f72200d5b568b545cc6a6c68dc1038da911

Aliases

arxiv: 1209.4740 · arxiv_version: 1209.4740v1 · doi: 10.48550/arxiv.1209.4740 · pith_short_12: 3KQ6MIDERCHE · pith_short_16: 3KQ6MIDERCHEGB4M · pith_short_8: 3KQ6MIDE

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/3KQ6MIDERCHEGB4MLDIDKMD7OI \
  | 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: daa1e62064888e43078c58d035307f72200d5b568b545cc6a6c68dc1038da911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ddef79a5b72130c3d1e5d23c31ed9ea23d6ccae3d89285070590df2121c5acd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-21T08:21:29Z",
    "title_canon_sha256": "3afbfe528de3c4e7914b0c0fbded8246e563ce57fdb6e75996592a3ede810143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4740",
    "kind": "arxiv",
    "version": 1
  }
}