Pith Number

pith:IIZMMGQT

pith:2011:IIZMMGQTDZ6DSP6PK5Y66YG2CQ

not attested not anchored not stored refs pending

Automated classification of periodic variable stars{Improved methodology for the automated classification of periodic variable stars}

C. Aerts, D. Charbonneau, D.R. Ciardi, E. Dunham, F.T. O'Donovan, G. Mandushev, J. Blomme, J. Debosscher, J. De Ridder, L.M. Sarro, L. Rimoldini, M. Lopez, P. Dubath, T. Brown

arxiv:1101.5038 v1 · 2011-01-26 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIZMMGQTDZ6DSP6PK5Y66YG2CQ}

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	2026-05-18T02:49:02.191980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4232c61a131e7c393fcf5771ef60da14127e8db3a9bd0a52569bdecd3ae41a0d

Aliases

arxiv: 1101.5038 · arxiv_version: 1101.5038v1 · doi: 10.48550/arxiv.1101.5038 · pith_short_12: IIZMMGQTDZ6D · pith_short_16: IIZMMGQTDZ6DSP6P · pith_short_8: IIZMMGQT

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/IIZMMGQTDZ6DSP6PK5Y66YG2CQ \
  | 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: 4232c61a131e7c393fcf5771ef60da14127e8db3a9bd0a52569bdecd3ae41a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c8c461f40d9dff13608830f13eeaa5f9e447243ffeb2c552ed63e73ec9f497",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-01-26T12:21:09Z",
    "title_canon_sha256": "a719829c4e1ecfa6c7a9574f845c2cba0685c0a42f4d5ece386cb5b850be73e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5038",
    "kind": "arxiv",
    "version": 1
  }
}