Pith Number

pith:PV6A3MPZ

pith:2010:PV6A3MPZSYGSKDTOXHEB6KOOEX

not attested not anchored not stored refs pending

Kepler photometry of the prototypical Blazhko star RR Lyr: An old friend seen in a new light

D. A. Caldwell, D. Koch, D. W. Kurtz, E. Guggenberger, G. Kopacki, H. Kjeldsen, J. Christensen-Dalsgaard, J. M. Benk\H{o}, J. M. Jenkins, J. M. Nemec, J. Nuspl, K. Kolenberg, L. L. Kiss, M. Chadid, M. Still, P. Moskalik, R. Smolec, R. Szab\'o, S. Bryson, W. J. Borucki, Y.-B. Jeon

arxiv:1011.5908 v1 · 2010-11-26 · 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{PV6A3MPZSYGSKDTOXHEB6KOOEX}

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	2026-05-18T04:28:47.659564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d7c0db1f9960d250e6eb9c81f29ce25ffe1662598fb6fe339a11106982d4d76

Aliases

arxiv: 1011.5908 · arxiv_version: 1011.5908v1 · doi: 10.48550/arxiv.1011.5908 · pith_short_12: PV6A3MPZSYGS · pith_short_16: PV6A3MPZSYGSKDTO · pith_short_8: PV6A3MPZ

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/PV6A3MPZSYGSKDTOXHEB6KOOEX \
  | 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: 7d7c0db1f9960d250e6eb9c81f29ce25ffe1662598fb6fe339a11106982d4d76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dfc2acf4e916b73374c3dd655ba58aa8b565f060f3cd4ad93cb6ed4c27dfb37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-26T21:00:00Z",
    "title_canon_sha256": "188f95806134d10da823319d87a21a5ccedb2faea773bdc99cde36492ea6e90c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5908",
    "kind": "arxiv",
    "version": 1
  }
}