Pith Number

pith:ZVOEB2OA

pith:2009:ZVOEB2OAEARP7UIPY3WI2EMNGS

not attested not anchored not stored refs pending

Light curve analysis of Variable stars using Fourier decomposition and Principal component analysis

Harinder P. Singh, Sukanta Deb

arxiv:0903.3500 v3 · 2009-03-20 · 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{ZVOEB2OAEARP7UIPY3WI2EMNGS}

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

2 papers in Pith

Photometric metallicity of Galactic RR Lyrae stars in the Gaia DR3 era

Receipt and verification

First computed	2026-05-18T02:14:27.071243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd5c40e9c02022ffd10fc6ec8d118d3486985ed8b9810cb21716e0f14d90eb90

Aliases

arxiv: 0903.3500 · arxiv_version: 0903.3500v3 · doi: 10.48550/arxiv.0903.3500 · pith_short_12: ZVOEB2OAEARP · pith_short_16: ZVOEB2OAEARP7UIP · pith_short_8: ZVOEB2OA

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/ZVOEB2OAEARP7UIPY3WI2EMNGS \
  | 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: cd5c40e9c02022ffd10fc6ec8d118d3486985ed8b9810cb21716e0f14d90eb90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ebf6854576a4dd301cd04691f10692074c71e25bb15523ae423ca84b6ecd71c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-20T11:54:35Z",
    "title_canon_sha256": "fa7c6e5befc0f09224980f646d0e2333f742b3d838cf9002ea7b3d3be37b9648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3500",
    "kind": "arxiv",
    "version": 3
  }
}