Pith Number

pith:6DV2WJPW

pith:2015:6DV2WJPWIMHZROMB6FDB6A32VY

not attested not anchored not stored refs pending

The star RR Lyr and the Cepheid variables in the era of the space photometry revolution

Alain Klotz, Ennio Poretti, Jean-Francois Le Borgne

arxiv:1506.08122 v1 · 2015-06-26 · 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{6DV2WJPWIMHZROMB6FDB6A32VY}

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	2026-05-18T01:29:45.583338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0ebab25f6430f98b981f1461f037aae35e4397e71afdba939f46e6fbdc0cae1

Aliases

arxiv: 1506.08122 · arxiv_version: 1506.08122v1 · doi: 10.48550/arxiv.1506.08122 · pith_short_12: 6DV2WJPWIMHZ · pith_short_16: 6DV2WJPWIMHZROMB · pith_short_8: 6DV2WJPW

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/6DV2WJPWIMHZROMB6FDB6A32VY \
  | 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: f0ebab25f6430f98b981f1461f037aae35e4397e71afdba939f46e6fbdc0cae1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a8ce6b322e86aa5191f4af2440684ec7bdee3ec4005b729f8989f8d10b70d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-26T15:37:59Z",
    "title_canon_sha256": "9da15458f5e69381274946d5b033fd5118def23a1fc741a300b3358f93d9e48f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08122",
    "kind": "arxiv",
    "version": 1
  }
}