Pith Number

pith:EYD6VLSV

pith:2018:EYD6VLSVWGGJP4WTTVYCCKOQCM

not attested not anchored not stored refs pending

Diversity of dynamical phenomena in type II Cepheids of the OGLE collection

A. Udalski, E. Plachy, I. Soszy\'nski, P. Moskalik, R. Smolec

arxiv:1809.02842 v1 · 2018-09-08 · 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{EYD6VLSVWGGJP4WTTVYCCKOQCM}

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	2026-05-18T00:04:39.100126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2607eaae55b18c97f2d39d702129d01319a070ed83e86eeace3eb21ddcd6b827

Aliases

arxiv: 1809.02842 · arxiv_version: 1809.02842v1 · doi: 10.48550/arxiv.1809.02842 · pith_short_12: EYD6VLSVWGGJ · pith_short_16: EYD6VLSVWGGJP4WT · pith_short_8: EYD6VLSV

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/EYD6VLSVWGGJP4WTTVYCCKOQCM \
  | 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: 2607eaae55b18c97f2d39d702129d01319a070ed83e86eeace3eb21ddcd6b827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09354a61223c61e85ffa234b36eea5229348a7890ee6bfdf1b93b123236963d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-08T17:36:12Z",
    "title_canon_sha256": "75449dcbd19fa2bd61e8a7e329538490196ac4ba235864d12a5ac6ec87016b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02842",
    "kind": "arxiv",
    "version": 1
  }
}