Pith Number

pith:WYQV3SDE

pith:2016:WYQV3SDE2WSJKJW5PPR4H44ARO

not attested not anchored not stored refs pending

First observations of W Virginis stars with K2: detection of period doubling

A. P\'al, E. Plachy, L. Moln\'ar, L. Szabados, M. I. Jurkovic, P. A. Moskalik, R. Smolec, R. Szab\'o

arxiv:1610.05488 v1 · 2016-10-18 · 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{WYQV3SDE2WSJKJW5PPR4H44ARO}

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	2026-05-18T00:55:06.952147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6215dc864d5a49526dd7be3c3f3808b991bc39d0267632f93f416fac41c70a3

Aliases

arxiv: 1610.05488 · arxiv_version: 1610.05488v1 · doi: 10.48550/arxiv.1610.05488 · pith_short_12: WYQV3SDE2WSJ · pith_short_16: WYQV3SDE2WSJKJW5 · pith_short_8: WYQV3SDE

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/WYQV3SDE2WSJKJW5PPR4H44ARO \
  | 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: b6215dc864d5a49526dd7be3c3f3808b991bc39d0267632f93f416fac41c70a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253924515fc20cfbf9b433a8abbfd5f9b65d26968705be0a68946fc911310dba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-18T09:03:25Z",
    "title_canon_sha256": "b9a03bc0d55b25a05a675ad12ab24d83d8835be9649dcca90382b9ed70f5d3a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05488",
    "kind": "arxiv",
    "version": 1
  }
}