Pith Number

pith:YWD72PHD

pith:2009:YWD72PHD5GFKKW5HPGV2CW3TZB

not attested not anchored not stored refs pending

The beat Cepheids in the Magellanic Clouds: an analysis from the EROS-2 database

A. Gould, A. Maury, A. Milsztajn, A. Schwarzenberg-Czerny, A. Vidal-Madjar, B. Goldman, C. Afonso, C. Coutures, C. Hamadache, C. Loup, C. Magneville, D. Graff, E. Aubourg, E. Lesquoy, E. Maurice, J. Andersen, J.B. Marquette, J. de Kat, J.F. Glicenstein, J. Haissinski, J.N. Albert, J.P. Beaulieu, J.R. Buchler, J. Rich, L. Le Guillou, M. Gros, M. Moniez, M. Spiro, N. Palanque-Delabrouille, O. Perdereau, P. Bareyre, P. Fouque, P. Tisserand, R. Ansari, R. Ferlet, R. Szabo, S. Belghith, X. Charlot, Y.R. Rahal

arxiv:0901.0995 v1 · 2009-01-08 · 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{YWD72PHD5GFKKW5HPGV2CW3TZB}

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	2026-07-04T17:14:01.485653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c587fd3ce3e98aa55ba779aba15b73c8532d324614deddd5dc7e81a6eb00e2c2

Aliases

arxiv: 0901.0995 · arxiv_version: 0901.0995v1 · doi: 10.48550/arxiv.0901.0995 · pith_short_12: YWD72PHD5GFK · pith_short_16: YWD72PHD5GFKKW5H · pith_short_8: YWD72PHD

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/YWD72PHD5GFKKW5HPGV2CW3TZB \
  | 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: c587fd3ce3e98aa55ba779aba15b73c8532d324614deddd5dc7e81a6eb00e2c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53aaf1ba1db9bcdc12e89cec34b033dc0646a862b2cc114070e2fd21c30b7a20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-08T09:23:46Z",
    "title_canon_sha256": "613b3d8567f53e7aea7042e6be6a38d2b355131763adac0c7fcbfcdaa14b07a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0995",
    "kind": "arxiv",
    "version": 1
  }
}