Pith Number

pith:NLLTPARC

pith:2019:NLLTPARCDEX3DDYGDAMBLGKXLJ

not attested not anchored not stored refs pending

Type II Cepheids Pulsating in the First Overtone from the OGLE Survey

A. Udalski, I. Soszy\'nski, P. Pietrukowicz, R. Smolec

arxiv:1902.02352 v1 · 2019-02-06 · 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{NLLTPARCDEX3DDYGDAMBLGKXLJ}

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	2026-05-17T23:50:21.438937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad7378222192fb18f0618181599575a5928644ad58d47255721148b85948961

Aliases

arxiv: 1902.02352 · arxiv_version: 1902.02352v1 · doi: 10.48550/arxiv.1902.02352 · pith_short_12: NLLTPARCDEX3 · pith_short_16: NLLTPARCDEX3DDYG · pith_short_8: NLLTPARC

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/NLLTPARCDEX3DDYGDAMBLGKXLJ \
  | 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: 6ad7378222192fb18f0618181599575a5928644ad58d47255721148b85948961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e91660459c81b2fb93954530fcfa6ed31eb38de1ed6cba84e9354cb6e524ad8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-06T19:00:02Z",
    "title_canon_sha256": "39d9d081669acad8c541cd70272d88e8f5ee316b04af5b9e2c01c34792b07f2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02352",
    "kind": "arxiv",
    "version": 1
  }
}