Pith Number

pith:ZM4DIJHE

pith:2012:ZM4DIJHE7WWBA6N2NLRDBTLTK2

not attested not anchored not stored refs pending

Discovery of superhumps during a normal outburst of SU Ursae Majoris

Akira Imada, Daisuke Kuroda, Hideyuki Izumiura, Kenshi Yanagisawa, Nobuyuki Kawai, Ryo Miyanoshita, Toshihiro Omodaka

arxiv:1210.1087 v1 · 2012-10-03 · astro-ph.SR

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:54:11.119374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb383424e4fdac1079ba6ae230cd7356b7214643c5a751b7387ad0372042a437

Aliases

arxiv: 1210.1087 · arxiv_version: 1210.1087v1 · doi: 10.48550/arxiv.1210.1087

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/ZM4DIJHE7WWBA6N2NLRDBTLTK2 \
  | 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: cb383424e4fdac1079ba6ae230cd7356b7214643c5a751b7387ad0372042a437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "841aed23040445246bc5d6c472342a3938868dda8e9cb5b9e897499f52dbcbfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-03T12:37:12Z",
    "title_canon_sha256": "c147592051789e81bf86870b6cf2d40b4de7fe7d34cd3a8cd145692b2dd7e60f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1087",
    "kind": "arxiv",
    "version": 1
  }
}