Pith Number

pith:GWPMSDR2

pith:2011:GWPMSDR2CZ4TJWKNYHGAYEJOXU

not attested not anchored not stored refs pending

A Search for Superhumps in the Cataclysmic Variable SW Sextantis

F. A. Ringwald, Gerald D. Rude II

arxiv:1112.4642 v2 · 2011-12-20 · 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{GWPMSDR2CZ4TJWKNYHGAYEJOXU}

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	2026-05-18T01:59:04.785714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

359ec90e3a167934d94dc1cc0c112ebd094a493eb98b84517901380eb0bc9ffe

Aliases

arxiv: 1112.4642 · arxiv_version: 1112.4642v2 · doi: 10.48550/arxiv.1112.4642 · pith_short_12: GWPMSDR2CZ4T · pith_short_16: GWPMSDR2CZ4TJWKN · pith_short_8: GWPMSDR2

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/GWPMSDR2CZ4TJWKNYHGAYEJOXU \
  | 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: 359ec90e3a167934d94dc1cc0c112ebd094a493eb98b84517901380eb0bc9ffe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa481e74a51cd60fc788687f00288cb872eb9a53392abc493b316c5e48d09dbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-20T10:42:05Z",
    "title_canon_sha256": "739f6bcec662d75bf0eced8280f098f554d0096fa87bce2be883d6349b23923b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4642",
    "kind": "arxiv",
    "version": 2
  }
}