Pith Number

pith:NPUJAKID

pith:2021:NPUJAKIDBDYSJD4XSUA3JMEVL5

not attested not anchored not stored refs pending

Spectroscopic and Photometric Observations of Dwarf Nova Superoutbursts by the 3.8 m Telescope Seimei and the Variable Star Network

Aleksei A. Sosnovskij, Aleksei V. Baklanov, Alexandr A. Belinski, Alexandra M. Zubareva, Burgaz Umut, Charles Galdies, Daisaku Nogami, Daiti Fujii, Drahomir Chochol, Elena P. Pavlenko, Franz-josef, Geoffrey Stone, Hambsch, Hiroshi Itoh, Hiroyuki Maehara, Igor Kudzej, Javier Ruiz, Julia V. Babina, Katsura Matsumoto, Keiichi Maeda, Keisuke Isogai, Kenji Hirosawa, Kenneth Menzies, Kenta Taguchi, Kirill A. Antonyuk, Kosuke Namekata, Mariko Kimura, Marina A. Burlak, Masaaki Otsuka, Masaaki Shibata, Masanori Mizutani, Masao Funada, Masayuki Moriyama, Miho Kawabata, Minoru Yamamoto, Mitsutaka Hiraga, Momoka Nakagawa, Naoto Kojiguchi, Natalia P. Ikonnikova, Nataly Katysheva, Nikolaj V. Pit, Nodoka Takeuchi, Oksana I. Antonyuk, Pavol A. Dubovsky, Roger D.Pickard, Ryota Matsumura, Seiichiro Kiyota, Sergey Yu. Shugarov, Shawn Dvorak, Shumpei Nagoshi, Sjoerd Dufoer, Soshi Okamoto, Stephen M. Brincat, Taichi Kato, Tamas Tordai, Tomas Medulka, Tonny Vanmunster, Yasuo Sano, Yasuyuki Wakamatsu, Yuki Zenkou, Yusuke Tampo, Yutaka Maeda

arxiv:2104.04948 v1 · 2021-04-11 · 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{NPUJAKIDBDYSJD4XSUA3JMEVL5}

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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	2026-07-05T02:42:50.678321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be890290308f1248f979501b4b0955f55e2664910523f03314322224b3a9b18

Aliases

arxiv: 2104.04948 · arxiv_version: 2104.04948v1 · doi: 10.48550/arxiv.2104.04948 · pith_short_12: NPUJAKIDBDYS · pith_short_16: NPUJAKIDBDYSJD4X · pith_short_8: NPUJAKID

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/NPUJAKIDBDYSJD4XSUA3JMEVL5 \
  | 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: 6be890290308f1248f979501b4b0955f55e2664910523f03314322224b3a9b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a62d1ee53ff187f2e046b872c9755679db12c8354e89fd7df4a050ac6c22c2ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-11T07:45:42Z",
    "title_canon_sha256": "b7674c4f70e2e4936a95fc10649e17ace64c9bb0d51742809a18da3142897c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04948",
    "kind": "arxiv",
    "version": 1
  }
}