Pith Number

pith:3S76ZK6F

pith:2021:3S76ZK6F4BEJA4GB6JEBVWLTCH

not attested not anchored not stored refs pending

On the use of field RR Lyrae as Galactic probes: IV. New insights into and around the Oosterhoff dichotomy

B. Chaboyer, B. Lemasle, C. E. Mart\`inez-V\`azquez, C.K. Gilligan, C. Sneden, D. Magurno, E. K. Grebel, E. Valenti, F. Th\'evenin, G. Altavilla, G. Bono, G. Fiorentino, G. Iannicola, G.W. Preston, H. Lala, I. Ferraro, J. Crestani, J. Neeley, J. P. Mullen, M. Dall'Ora, M. Fabrizio, M. Marengo, M. Monelli, M. Nonino, M Salaris, M. Zoccali, N. Matsunaga, P. B. Stetson, P.M. Marrese, R. Da Silva, S. Marinoni, V.F. Braga, Z. Prudil

arxiv:2107.00919 v1 · 2021-07-02 · 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{3S76ZK6F4BEJA4GB6JEBVWLTCH}

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	2026-07-05T03:21:53.717789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcbfecabc5e0489070c1f2481ad97311fe275f55419cb34c8144de3b54df6a7b

Aliases

arxiv: 2107.00919 · arxiv_version: 2107.00919v1 · doi: 10.48550/arxiv.2107.00919 · pith_short_12: 3S76ZK6F4BEJ · pith_short_16: 3S76ZK6F4BEJA4GB · pith_short_8: 3S76ZK6F

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/3S76ZK6F4BEJA4GB6JEBVWLTCH \
  | 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: dcbfecabc5e0489070c1f2481ad97311fe275f55419cb34c8144de3b54df6a7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2312a40ee3e42b6ff1cf7937d202ac0288f8fb78befc8d69af4daa25ae650dc1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-02T09:23:08Z",
    "title_canon_sha256": "afd67afa3746400f0a69b48086ccf68b858cda89db6d7d21ecbcc589c227c414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00919",
    "kind": "arxiv",
    "version": 1
  }
}