Pith Number

pith:OFCEFGDP

pith:2013:OFCEFGDPNWIYHO3KLORGPM4GMC

not attested not anchored not stored refs pending

Spectroscopic metallicity determinations for W~UMa-type binary stars

Jan Budaj, Slavek M. Rucinski, Theodor Pribulla

arxiv:1308.0184 v1 · 2013-08-01 · 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{OFCEFGDPNWIYHO3KLORGPM4GMC}

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	2026-05-18T01:48:31.710280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

714442986f6d9183bb6a5ba267b38660a8f0c492ee1c5046aa4b37afb06bb69b

Aliases

arxiv: 1308.0184 · arxiv_version: 1308.0184v1 · doi: 10.48550/arxiv.1308.0184 · pith_short_12: OFCEFGDPNWIY · pith_short_16: OFCEFGDPNWIYHO3K · pith_short_8: OFCEFGDP

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/OFCEFGDPNWIYHO3KLORGPM4GMC \
  | 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: 714442986f6d9183bb6a5ba267b38660a8f0c492ee1c5046aa4b37afb06bb69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea6c1b61d46f41487f31dbb878f36e077305c73bd890df0427ff3d70660d8a0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-01T12:59:33Z",
    "title_canon_sha256": "af3c4fe670ed19bc3e23bccc739b262a2214e3385541e64643c54d795f30db52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0184",
    "kind": "arxiv",
    "version": 1
  }
}