Pith Number

pith:VOAWFRWX

pith:2012:VOAWFRWXG5IIGYYABC4PJAA44E

not attested not anchored not stored refs pending

On the evolutionary and pulsation mass of Classical Cepheids: III. the case of the eclipsing binary Cepheid CEP0227 in the Large Magellanic Cloud

2), (2) INFN--Pisa, (3) MPIA, (4) Dipartimento di Fisica, 5), (5) INAF-Osservatorio Astronomico di Roma, (6) Universidad de Concepcion, 7), (7) Obserwatorium Astronomiczne Uniwersytetu Warszawskiego, (8) Carnegie Observatories), B. Pilecki (6, Departamento de Astronomia, D. Graczyk (6), G. Bono (4, G. Pietrzynski (6, I. B. Thompson (8). ((1) Dipartimento di Fisica, M. Gennaro (3), P. G. Prada Moroni (1, Universita' di Pisa, Universita' di Roma Tor Vergata, W. Gieren (6)

arxiv:1202.2855 v1 · 2012-02-13 · 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{VOAWFRWXG5IIGYYABC4PJAA44E}

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	2026-05-18T01:58:29.030151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab8162c6d7375083630008b8f4801ce1273ed122c654ea99513a10091db2d8ca

Aliases

arxiv: 1202.2855 · arxiv_version: 1202.2855v1 · doi: 10.48550/arxiv.1202.2855 · pith_short_12: VOAWFRWXG5II · pith_short_16: VOAWFRWXG5IIGYYA · pith_short_8: VOAWFRWX

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/VOAWFRWXG5IIGYYABC4PJAA44E \
  | 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: ab8162c6d7375083630008b8f4801ce1273ed122c654ea99513a10091db2d8ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f84c515d11e24aec5fb803bed72db47c6209b9715ce2597a68445593ecefa61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-13T21:00:03Z",
    "title_canon_sha256": "5f7bd454690246c491eeab7445dba5c2505fadc7e82e80187c4e308468ba7045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2855",
    "kind": "arxiv",
    "version": 1
  }
}