Pith Number

pith:VMWSODJC

pith:2013:VMWSODJCWMHT36KZP4G2BTAUD7

not attested not anchored not stored refs pending

Multiperiodicity, modulations and flip-flops in variable star light curves II. Analysis of II Peg photometry during 1979-2010

Gregory W. Henry, Jaan Pelt, Klaus G. Strassmeier, Lauri Jetsu, Maarit J. Mantere, Marjaana Lindborg, Nigul Olspert, Thomas Hackman

arxiv:1304.4144 v1 · 2013-04-15 · 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{VMWSODJCWMHT36KZP4G2BTAUD7}

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	2026-05-18T01:50:32.680024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab2d270d22b30f3df9597f0da0cc141fdf3822fc3ab27b18f71a2b05728599d4

Aliases

arxiv: 1304.4144 · arxiv_version: 1304.4144v1 · doi: 10.48550/arxiv.1304.4144 · pith_short_12: VMWSODJCWMHT · pith_short_16: VMWSODJCWMHT36KZ · pith_short_8: VMWSODJC

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/VMWSODJCWMHT36KZP4G2BTAUD7 \
  | 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: ab2d270d22b30f3df9597f0da0cc141fdf3822fc3ab27b18f71a2b05728599d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4a355e8b3140a6ad91c7fb724482841ee4ee742598819b313ac9d250b793d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-15T16:01:44Z",
    "title_canon_sha256": "343b56c207b574b84737ead4c63247b010784786e76dd7c57146b254e878b136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4144",
    "kind": "arxiv",
    "version": 1
  }
}