Pith Number

pith:47BTLNPD

pith:2003:47BTLNPD3N6SQA6X6GBHJHGMP2

not attested not anchored not stored refs pending

Superhumps and Repetitive Rebrightenings of the WZ Sge-Type Dwarf Nova, EG Cancri

D. Nogami (Kyoto U), H. Baba (ISAS, K. Matsumoto (Osaka Kyoiku U, Kyoto U), T. Kato

arxiv:astro-ph/0310426 v1 · 2003-10-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47BTLNPD3N6SQA6X6GBHJHGMP2}

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	2026-05-18T01:40:38.029147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7c335b5e3db7d2803d7f182749ccc7eb503c627e72d53174bbac235b5703316

Aliases

arxiv: astro-ph/0310426 · arxiv_version: astro-ph/0310426v1 · doi: 10.48550/arxiv.astro-ph/0310426 · pith_short_12: 47BTLNPD3N6S · pith_short_16: 47BTLNPD3N6SQA6X · pith_short_8: 47BTLNPD

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/47BTLNPD3N6SQA6X6GBHJHGMP2 \
  | 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: e7c335b5e3db7d2803d7f182749ccc7eb503c627e72d53174bbac235b5703316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78474eea348485eb426d4f12b195e3aedb9b29898514bd56f14e318f35a19e28",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-15T17:51:53Z",
    "title_canon_sha256": "3f6527964066c16531b06985e4b2305f6e8364bb7960f0933bf8bb4e31a98ec7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310426",
    "kind": "arxiv",
    "version": 1
  }
}