Pith Number

pith:OMD62QHX

pith:2024:OMD62QHXLPZ6UAFY5J5SLA7CT6

not attested not anchored not stored refs pending

Non-evolutionary effects on period change in Magellanic Cepheids I. New binary systems revealed from Light Travel Time Effect

Andrzej Udalski, Gergely Hajdu, Igor Soszy\'nski, Oliwia Zi\'o{\l}kowska, Paulina Karczmarek, Rados{\l}aw Smolec, Rajeev Singh Rathour, Vincent Hocd\'e

arxiv:2403.14039 v2 · 2024-03-20 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMD62QHXLPZ6UAFY5J5SLA7CT6}

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.

Cited by

1 paper in Pith

Pulsation periods reveal tension between theoretical and empirical radii for classical Cepheids in eclipsing binary systems

Receipt and verification

First computed	2026-07-05T08:33:37.608302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7307ed40f75bf3ea00b8ea7b2583e29f8eb0aa2a4b839993713c4d01885da7b4

Aliases

arxiv: 2403.14039 · arxiv_version: 2403.14039v2 · doi: 10.48550/arxiv.2403.14039 · pith_short_12: OMD62QHXLPZ6 · pith_short_16: OMD62QHXLPZ6UAFY · pith_short_8: OMD62QHX

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/OMD62QHXLPZ6UAFY5J5SLA7CT6 \
  | 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: 7307ed40f75bf3ea00b8ea7b2583e29f8eb0aa2a4b839993713c4d01885da7b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ddd567af338043e852d09c2cee6ba65c2f99d8b53e243c0badbba581ae95e19",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-03-20T23:28:11Z",
    "title_canon_sha256": "c2f975774062502f81442f1da0b4c9ee772949205722b5d55a1d1f15db485a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.14039",
    "kind": "arxiv",
    "version": 2
  }
}