Pith Number

pith:4LXZJQBT

pith:2018:4LXZJQBTNN7KVO4WPZWCVBLJQI

not attested not anchored not stored refs pending

Three-Dimensional Distributions of Type II Cepheids and Anomalous Cepheids in the Magellanic Clouds. Do these Stars Belong to the Old, Young or Intermediate-Age Population?

A. Jacyszyn-Dobrzeniecka, A. Udalski, D. Skowron, I. Soszy\'nski, J. Skowron, M. K. Szyma\'nski, P. Iwanek, P. Mr\'oz, P. Pietrukowicz, R. Poleski, S. Koz{\l}owski

arxiv:1809.01338 v2 · 2018-09-05 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LXZJQBTNN7KVO4WPZWCVBLJQI}

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	2026-05-18T00:02:24.703745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ef94c0336b7eaabb967e6c2a85698205b4d7d1777f5de40784da4202efe6fe

Aliases

arxiv: 1809.01338 · arxiv_version: 1809.01338v2 · doi: 10.48550/arxiv.1809.01338 · pith_short_12: 4LXZJQBTNN7K · pith_short_16: 4LXZJQBTNN7KVO4W · pith_short_8: 4LXZJQBT

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/4LXZJQBTNN7KVO4WPZWCVBLJQI \
  | 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: e2ef94c0336b7eaabb967e6c2a85698205b4d7d1777f5de40784da4202efe6fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "634982c4f8953f373a0f321c7f15389b5a7e2e636a447156795ccb1f071a0d89",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-05T06:00:23Z",
    "title_canon_sha256": "ffd858424f76bee934525a9e8d8d88036cb4a8cd90178d1c68ca80633c22bf7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01338",
    "kind": "arxiv",
    "version": 2
  }
}