Pith Number

pith:SIOPOXJY

pith:2021:SIOPOXJYLKIPTEBBKKZ5RPAVFO

not attested not anchored not stored refs pending

On the nature of the anomalous event in 2021 in the dwarf nova SS Cygni and its multi-wavelength transition

Aleksei A. Sosnovskij, Elena Pavlenko, Franz-Josef Hambsch, Hidehiko Akazawa, Hiroshi Itoh, Hiroyuki Maehara, Hitoshi Negoro, Igor Kudzej, Julia V. Babina, Keisuke Isogai, Keith C. Gendreau, Kiyoshi Kasai, Mariko Kimura, Megumi Shidatsu, Nozomi Nakaniwa, Oksana I. Antonyuk, Pavol A. Dubovsky, Shinya Yamada, Taichi Kato, Tam\'as Tordai, Tatehiro Mihara, Teruaki Enoto, Yoshihiro Makita

arxiv:2106.15756 v1 · 2021-06-30 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SIOPOXJYLKIPTEBBKKZ5RPAVFO}

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	2026-07-05T03:02:56.478515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921cf75d385a90f9902152b3d8bc152bbfccf48a75817cded8ea1f520df1ffa4

Aliases

arxiv: 2106.15756 · arxiv_version: 2106.15756v1 · doi: 10.48550/arxiv.2106.15756 · pith_short_12: SIOPOXJYLKIP · pith_short_16: SIOPOXJYLKIPTEBB · pith_short_8: SIOPOXJY

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/SIOPOXJYLKIPTEBBKKZ5RPAVFO \
  | 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: 921cf75d385a90f9902152b3d8bc152bbfccf48a75817cded8ea1f520df1ffa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f82f98b167da1f46c3dd15121566a65f528ba9175970f32be35abe09b377734e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-06-30T00:17:32Z",
    "title_canon_sha256": "4f83bf24a8cdafb4024ba3bb955efebf98d5b773d78d488298511be24a501265"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15756",
    "kind": "arxiv",
    "version": 1
  }
}