Pith. sign in
Pith Number

pith:WUIJIZA3

pith:2022:WUIJIZA34EFDCLKOZD3SCAILTK
not attested not anchored not stored refs pending

Discovery of a binary-origin classical Cepheid in a binary system with a 59-day orbital period

Bogumi{\l} Pilecki, Felipe Espinoza-Arancibia, Gergely Hajdu, Giuseppe Bono, Grzegorz Pietrzy\'nski, Ian B. Thompson, Javier Minniti, M\'onica Taormina, Richard I. Anderson, Weronika Narloch, Wolfgang Gieren

arxiv:2212.04518 v1 · 2022-12-08 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WUIJIZA34EFDCLKOZD3SCAILTK}

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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 2026-07-05T05:23:48.633796Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b51094641be10a312d4ec8f721010b9aa0f0fe624a73ad590ba119ba9af61914

Aliases

arxiv: 2212.04518 · arxiv_version: 2212.04518v1 · doi: 10.48550/arxiv.2212.04518 · pith_short_12: WUIJIZA34EFD · pith_short_16: WUIJIZA34EFDCLKO · pith_short_8: WUIJIZA3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WUIJIZA34EFDCLKOZD3SCAILTK \
  | 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: b51094641be10a312d4ec8f721010b9aa0f0fe624a73ad590ba119ba9af61914
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fc1c39920a80ce76e4e71e4a7b12c33b74757a8f356e2710ab03aca054316221",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-12-08T19:00:25Z",
    "title_canon_sha256": "ccc8715748c2a7ec8e3a868d5e566c4a13624083bd362a55b7ad86125a98c05c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.04518",
    "kind": "arxiv",
    "version": 1
  }
}