Pith Number

pith:NPFM66KF

pith:2026:NPFM66KFS24N7SCWZGY2WFTLLR

not attested not anchored not stored refs pending

Variables in S-PLUS: I. Multiband period-luminosity relations and reddening maps of the Magellanic Clouds using classical Cepheids

Antonio Kanaan, Carlos E. Ferreira Lopes, Claudia Mendes de Oliveira, Debasish Hazarika, Felipe Almeida-Fernandes, Guilherme Limberg, Luis A. Guti\'errez-Soto, Marcelo Borges Fernandes, M\'arcio Catelan, Nicol\'as Rodriguez-Segovia, Pedro K. Humire, Tiago Ribeiro, Vinicius Cordeiro, Vinicius M. Placco, William Schoenell

arxiv:2606.20953 v1 · 2026-06-18 · 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{NPFM66KFS24N7SCWZGY2WFTLLR}

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	2026-06-23T01:12:23.111790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcacf794596b8dfc856c9b1ab166b5c67e864af3561c65654d9e3fe12333ef1

Aliases

arxiv: 2606.20953 · arxiv_version: 2606.20953v1 · doi: 10.48550/arxiv.2606.20953 · pith_short_12: NPFM66KFS24N · pith_short_16: NPFM66KFS24N7SCW · pith_short_8: NPFM66KF

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/NPFM66KFS24N7SCWZGY2WFTLLR \
  | 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: 6bcacf794596b8dfc856c9b1ab166b5c67e864af3561c65654d9e3fe12333ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1fcc25775702913f1493a6adc92d55bb78430a1a3f51afe624c19b459b795e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-18T21:34:52Z",
    "title_canon_sha256": "03a6982d2c58ee653c8117781111120173489cfe00b3c1db49d269a993f3f9c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20953",
    "kind": "arxiv",
    "version": 1
  }
}