Pith Number

pith:L6O4CCOQ

pith:2009:L6O4CCOQN7ZB4Z2TVT5P2LAQV3

not attested not anchored not stored refs pending

Galactic fundamental mode RR Lyrae stars. Period - amplitude diagram, metallicities and distribution

B. Pilecki (Warsaw University Observatory), D. M. Szczygiel, G. Pojmanski

arxiv:0906.2199 v2 · 2009-06-12 · 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{L6O4CCOQN7ZB4Z2TVT5P2LAQV3}

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.

Cited by

1 paper in Pith

Selected Results on Variable Stars Observed by TESS

Receipt and verification

First computed	2026-07-04T15:48:05.371232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f9dc109d06ff21e6753acfafd2c10aef471f49f2de50bc50969524d6a826841

Aliases

arxiv: 0906.2199 · arxiv_version: 0906.2199v2 · doi: 10.48550/arxiv.0906.2199 · pith_short_12: L6O4CCOQN7ZB · pith_short_16: L6O4CCOQN7ZB4Z2T · pith_short_8: L6O4CCOQ

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/L6O4CCOQN7ZB4Z2TVT5P2LAQV3 \
  | 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: 5f9dc109d06ff21e6753acfafd2c10aef471f49f2de50bc50969524d6a826841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea6dbfb232bf23d95dfe760d0d617f4734212a4d68d6b947256615bc24af06f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-12T18:40:07Z",
    "title_canon_sha256": "aeeedfc6e2f375dc5c74bc0d5468ea41520549f047f2d4b3f3a0b9661ac001fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2199",
    "kind": "arxiv",
    "version": 2
  }
}