Pith Number

pith:5LMGT6NW

pith:2010:5LMGT6NWV6WKO7XC3BH2QZNACN

not attested not anchored not stored refs pending

The Optical Gravitational Lensing Experiment. The OGLE-III Catalog of Variable Stars. VII. Classical Cepheids in the Small Magellanic Cloud

A. Udalski, G. Pietrzynski, I. Soszynski, K. Ulaczyk, L. Wyrzykowski, M. K. Szymanski, M. Kubiak, O. Szewczyk, R. Poleski

arxiv:1003.4518 v2 · 2010-03-23 · 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{5LMGT6NWV6WKO7XC3BH2QZNACN}

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	2026-05-18T02:24:26.974642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ead869f9b6afaca77ee2d84fa865a013629d411823329933c6bd045e86b1d85a

Aliases

arxiv: 1003.4518 · arxiv_version: 1003.4518v2 · doi: 10.48550/arxiv.1003.4518 · pith_short_12: 5LMGT6NWV6WK · pith_short_16: 5LMGT6NWV6WKO7XC · pith_short_8: 5LMGT6NW

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/5LMGT6NWV6WKO7XC3BH2QZNACN \
  | 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: ead869f9b6afaca77ee2d84fa865a013629d411823329933c6bd045e86b1d85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1cd869aa495091a683479dfb8961308c1e04b8db3d4ed28432d752b782a098",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-23T20:04:29Z",
    "title_canon_sha256": "5e60c5a0ab38e54dbbe15eebac2634fc0fdef8324292ebdd163396a9eaac6804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4518",
    "kind": "arxiv",
    "version": 2
  }
}